Answers
Dehydration of propanol involves the removal of a water molecule from the propanol molecule, resulting in the formation of propene.
What is dehydration of propanol?The reaction is typically carried out by heating propanol with a strong acid catalyst such as sulfuric acid. The reaction can be represented by the following equation:
CH3CH2CH2OH → CH3CH=CH2 + H2O
The reaction proceeds through the formation of a protonated alcohol intermediate, which loses a water molecule to form a carbocation. The carbocation then undergoes deprotonation to form the propene product. The dehydration of propanol is an example of an elimination reaction, where a small molecule is eliminated from a larger molecule to form a new product.
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Related Questions
A city develops an open green space in the center of town as a way to help with runoff. Which flood mitigation technique is the city implementing?
O elevated structures
O floodplain management
O seawalls
O stormwater management
Answers
The flood mitigation technique that city is implementing by developing an open green space in the center of town is stormwater management.
How do you regulate stormwater runoff?According to the U.S. Environmental Protection Agency (EPA), stormwater management is an attempt to reduce runoff and improve water quality on roads, lawns, and other locations.Some methods of controlling runoff include preventing soil erosion, protecting basements from flooding, landscaping, providing adequate roof drainage, and minimizing paved surfaces.There are various systems. Rainwater reservoirs, rainwater reservoirs, dry reservoirs, wet reservoirs. Different systems damage differently, so it's important for HOAs and pond owners to understand the differences between systems.For more information on stormwater management kindly visit to
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In general, the more tightly the DNA is wound around the histone proteins in a chromosome, the easier it is for RNA polymerase to access a gene and make a copy of that gene. true or false
Answers
Answer:
False.Explanation:
In general, the more tightly the DNA is wound around the histone proteins in a chromosome, the more difficult it is for RNA polymerase to access a gene and make a copy of that gene. This is because the tight winding of DNA around histones creates a compact structure called chromatin, which can restrict the access of RNA polymerase and other transcription factors to the gene. Therefore, genes that are tightly packed within chromatin are generally less accessible for transcription, while genes that are less tightly packed are more accessible for transcription.
How do we involve the public and spread the world about the need to address climate change immediately?
Answers
In order to spread awareness about climate change people need to actually listen. Start spreading it through school or in the community for those who are willing to listen. This causes a boomerang effect. Once people hear about it they'll spread it to others and on and on. Making a plan or speech that you can showcase to your city hall, start clubs, posters, and when possible protests. Giving examples or real life situations that could later affect our children and their children. You don't have to do it as a individual but finding that group who wants to do similar changes as you is where you'll have that power and voice. Creating that movement that'll catch everyone's attention.
6. Select the correct terms to complete the statement about early life on Earth.
When life first evolved on Earth, there was virtually no oxygen in the atmosphere. The earliest prokaryotes were likely anaerobic | aerobic meaning they did not require oxygen
to produce energy. Over time, photosynthetic
| chemosynthetic prokaryotes evolved, which made energy from the sun. The chemical reactions involved in this process released carbon dioxide
| oxygen | nitrogen into the atmosphere. This allowed for the evolution of eukaryotes.
Answers
Answer:
Explanation:
When life first evolved on Earth, there was virtually no oxygen in the atmosphere. The earliest prokaryotes were likely anaerobic meaning they did not require oxygen to produce energy. Over time, photosynthetic prokaryotes evolved, which made energy from the sun. The chemical reactions involved in this process released oxygen into the atmosphere. This allowed for the evolution of eukaryotes.
What zygomycota germinate into the new hyphae
Answers
Answer: zygospores
Explanation:
Zygomycota produces zygospores, which germinate into new hyphae.
Zygomycota produces the zygospores, which germinate into new hyphae.
The production of the zygospores is a distinguishing feature of members of the division Zygomycota which is prompted by releases of certain chemicals like trisporic acid, that make the aerial hyphae that act as a sexual organ come in contact and produce zygospores. it is the spores produced by fungi and protists.
There are so many types of fungi that are included in the division of Zygomycota. one type of fungi is black bread mold which usually spreads over bread or other types of food and sends the hyphae inwards to gather nutrients.
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Look at the food web diagram, which MOST LIKELY represents X
A) corn
B) eggs
C) foxes
D) worm
Answers
I NEED HELP WITH THIS QUICK I JUST POSTED A PICTURE BEFORE THIS SO LOOK AT IT SO YOU CAN UNDERSTAND IT AND THEN ANSWER THIS
Answers
It looks like an entry for a herbarium. A herbarium is a collection of preserved plant specimens that are stored and arranged systematically for scientific study.
What is the use of a herbarium?Herbarium specimens can include leaves, flowers, stems, and other plant parts, and are usually pressed and dried on special paper or sheets, called herbarium sheets, which contain information about the plant such as its scientific name, location, and date of collection.
Herbaria serve as an important resource for botanical research and education, allowing scientists to study and compare plant species from different regions and time periods. They are used to identify plant specimens, describe new species, and investigate the distribution and evolution of plants.
Herbaria can be found in many research institutions, universities, botanical gardens, and museums around the world. The largest herbarium in the world is the Museum National d'Histoire Naturelle in Paris, which houses over 8 million plant specimens.
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. coli is commonly found in:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
raw hamburgers.
cooked hamburgers.
animal waste.
romaine lettuce.
Answers
Answer: raw hamburgers
Explanation: E- coli is commonly transmitted to humans through contaminated foods such as raw or undercooked meat products, raw milk or raw contaminated vegetables.
Why might it be helpful for an organism to have different types of connective tissue?
Answers
Answer:
a
Explanation:
becusw it ahfhhjddjdudjsjejdjdjdjdhshssjs
Overconsumption of meat has been associated with all of following health problems EXCEPT:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
cardiovascular disease.
malaria.
some cancers.
gout.
Answers
Answer: Malaria
Explanation: All the health problems are associated with overconsumption of meat, however Malaria is actually a disease carried by mosquitos and can be transmitted to humans through the bite.
If an object increases it mass, it ___________its gravitational pull.
A:decreases
B:increases
Answers
Answer: Increases
Explanation:
The greater the size of the masses, the greater the size of the gravitational force
Answer:
If an object increases it mass, it increases its gravitational pull.
Once alcohol is in the bloodstream it will reach the brain in a few
Answers
Once alcohol is in the bloodstream it will reach the brain in a few seconds to minutes, depending on various factors such as the amount and concentration of alcohol consumed, body weight, metabolism, and other individual factors.
Alcohol's Effects on BrainOnce alcohol is in the bloodstream it will reach the brain in a few seconds to minutes, depending on various factors such as the amount and concentration of alcohol consumed, body weight, metabolism, and other individual factors.
Once alcohol enters the bloodstream, it can quickly cross the blood-brain barrier and affect the brain and nervous system. The effects of alcohol on the brain depend on the amount and rate of consumption, and can range from mild impairment of judgment and coordination to more severe effects such as loss of consciousness and even death in extreme cases.
Chronic alcohol use can also lead to long-term changes in brain function and structure, including cognitive impairment and increased risk of developing certain neurological and psychiatric disorders.
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What trophic level does a chicken eating corn occupy?
tertiary consumer
secondary consumer
primary consumer
producer
Answers
A chicken eating corn would occupy the trophic level of a primary consumer. Corn is a plant-based food source and is considered a primary producer in the food chain.
What is Food Chain?
A food chain is a sequence of organisms in an ecosystem through which energy and nutrients are transferred from one organism to another. It represents the flow of energy and matter in an ecosystem, starting from the primary producers (such as plants) and moving through a series of consumers (such as herbivores, carnivores, and omnivores) before reaching the top predators.
When a chicken eats the corn, it is consuming a primary producer and becoming a primary consumer itself.
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The picture shows a pulley system with three platforms.
Which would MOST likely happen if the mass on Platform 2 was removed?
Select one:
a.
Platforms 1 and 3 will move downward.
b.
Platforms 1 and 3 will move upward.
c.
Platform 2 will be even with Platform 1.
d.
Platform 2 will be even with Platform 3.
Answers
The answer of the given question based on pulley system is Platforms 1 and 3 will move downward. Therefore, the correct option is a.
What is Tension?Tension is a force transmitted through a rope, string, wire, or cable when it is pulled tight by forces acting on both ends. In other words, it is the force that is transmitted through a stretched material when it is pulled at two opposite ends.
The most likely scenario is that Platforms 1 and 3 will move downward. Therefore, the correct option is a.
In this pulley system, Platforms 1 and 3 are connected to the same rope and have a total weight of 40 kg. Platform 2, which weighs 10 kg, is suspended between Platforms 1 and 3. The tension in the rope between Platforms 1 and 2 is equal to the tension in the rope between Platforms 2 and 3.
When the mass on Platform 2 is removed, the tension in the rope between Platforms 1 and 2 will become zero, and the tension in the rope between Platforms 2 and 3 will also become zero. Therefore, the tension in the rope between Platforms 1 and 3 will be equal to the total weight of the system, causing Platforms 1 and 3 to move downward.
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Explain how the following could be sources of infection during food preparation.
I. Utensils
Ii. Food handler
Iii. Water
Answers
Utensils, food handlers, and water can be a source of infection during food preparation according to the explanations below.
Sources of infection during food preparationUtensils: Utensils can be sources of infection during food preparation if they are not properly cleaned and sanitized between uses. Bacteria and other pathogens can cling to the surface of utensils and contaminate food, leading to foodborne illness.Food handler: Food handlers can be sources of infection during food preparation if they are carrying bacteria or viruses on their hands or clothing. If food handlers do not practice good hygiene, they can transfer pathogens to the food they are preparing, leading to foodborne illness.Water: Water can be a source of infection during food preparation if it is contaminated with bacteria, viruses, or other pathogens. If water is used to wash food or utensils and is not properly treated or purified, it can transfer pathogens to the food, leading to foodborne illness.More on infections during food preparation can be found here: https://brainly.com/question/10355298
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1. How far will a car travel at 50 m/min in 25 min?
2. How far will a car travel at 50 km/h in 7 h?
3. How long will a ball roll 400 m at 70 m/min?
4. If a car travels from 3 m/s to 30 m/s in 3 seconds, what is the car's average acceleration?
Answers
Answer:
1. 1,250 miles
2. 350 km
3. 5.71 min
4. 10 m/s
Explanation:
50 m/min * 25min = 1250 miles
50 km/hr * 7 hrs = 350 km
Question was confusing, but if I interpreted it correctly...
400 m ÷ 70 m/min = 5.71 min
3 m/s to 30 m/s in 3 sec would be an increase of 10 m/s
Consider urban farming. What types of animals would be ideal for an urban farm? What is typically the purpose of having an urban farm? What legal issues do you need to consider before starting an urban farm?
Answers
The best animals for urban farming are those that can survive in constrained areas and produce large quantities of meat, milk, or eggs. Typical choices include. Chickens,Rabbits,Bees,Fish
How many different kinds of urban farming exist?Each sort of urban agriculture falls into one of four groups: Institutional, Public, Community-Based, and Commercial
What exactly is urban farming?Urban farming is essentially the practice of raising plants and animals for food production indoors. It can involve preparing the food and then distributing it all around the city. The majority of urban or city farming may at least be categorized as "sustainable," whether or not it is organic.
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In terms of stability and change, what change occurs in the system during the process of metamorphic rock
formation? When is the system stable again?
Answers
Answer:
During the process of metamorphic rock formation, there is a transformation or change in the mineral composition and texture of the original rock due to high heat, pressure, or chemically active fluids. As a result, the system goes through a significant change.
The system may be considered "stable" again once the metamorphism process has completed and the resulting metamorphic rock has reached equilibrium - meaning that there are no longer any changes occurring within the rock due to external factors. The stability of a metamorphic rock depends on various factors such as the mineral composition, temperature, pressure, and chemical environment. Once these factors balance out and reach a steady state, the system can be considered stable again.
Answer: The change that occurs is the eroding, or breaking down of a rock into sediments, the movement and deposition of the sediments, and the compaction and cementation of the sediments to form a new rock. The system is stable again once the new rock is formed.
Write an essay on scientific revolution
Answers
Answer:
The Scientific Revolution was a time of great change in human history, lasting from the 16th to the 18th century. During this period, scientists and philosophers began to challenge long-held beliefs about the natural world and instead relied on empirical evidence and experimentation to understand it. This approach led to important advancements in fields such as physics, astronomy, and biology, and established the foundation for the modern scientific method.
what pattern do you identify in the data?
Answers
The identified pattern that is seen here is that : pairing bases (AT and GC) are both very close in numbers . The values are sometimes off by just 0.5
What is the Chargaff rule?The Chargaff rule, also known as Chargaff's ratios or base pairing rules, states that in a double-stranded DNA molecule, the amount of adenine (A) is equal to the amount of thymine (T), and the amount of guanine (G) is equal to the amount of cytosine (C). This is sometimes expressed as A=T and G=C.
Erwin Chargaff, an Austrian-American biochemist, discovered this rule in 1949 by analyzing the base composition of DNA from various species. He found that the amounts of A, T, G, and C in DNA differed between species, but within a species, the ratios between A and T, and between G and C, were always roughly equal.
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Why is water considered the universal solvent?
O. It can dissolve more things than any other substance.
O It can react with more things than any other substance.
OIt can absorb more things than any other substance.
O It can separate more things than any other substance.
Please 20pts
Answers
Answer:
It can dissolve more things than any other substance.
Explanation:
Water is considered the universal solvent because it can dissolve more substances than any other liquid. This is because of its unique molecular structure and properties. The water molecule is polar, which means it has a slightly negative charge on one end and a slightly positive charge on the other end. This polarity allows water molecules to attract and surround charged particles, such as ions, and polar molecules, such as sugars and amino acids.
Cancer is a disease related to uncontrolled cell division. Investigate two known causes for cancer and use this knowledge to invent a drug that would prevent the growth of cancer cells.
Answers
Answer:
Cancer is a complex disease with a variety of causes, and its development involves multiple genetic and environmental factors. However, two well-known causes of cancer are mutations in tumor suppressor genes and oncogenes, and exposure to carcinogens.
Tumor suppressor genes are responsible for regulating cell growth and division, and mutations in these genes can result in uncontrolled cell division and tumor formation. On the other hand, oncogenes are genes that promote cell growth and division, and mutations in these genes can also lead to uncontrolled cell division and tumor formation.
Carcinogens are substances or agents that can cause cancer by damaging DNA and disrupting normal cell function. Examples of carcinogens include tobacco smoke, certain chemicals, radiation, and viruses.
Based on this knowledge, a potential drug for preventing the growth of cancer cells could target the activity of oncogenes and/or block the effects of carcinogens on cells. One approach to target oncogenes is to develop small molecule inhibitors that can bind to and block the activity of specific oncogene proteins. For example, drugs like imatinib and gefitinib target the activity of the oncogene Bcr-Abl and the epidermal growth factor receptor, respectively, and are used to treat certain types of cancer.
Another approach to prevent cancer growth is to develop drugs that can detoxify or remove carcinogens from cells before they can cause damage. For example, certain enzymes in the body, such as glutathione-S-transferases, are responsible for detoxifying carcinogens by binding to them and rendering them harmless. Therefore, drugs that enhance the activity of these enzymes could potentially prevent the harmful effects of carcinogens on cells.
DNA found at a crime scene is cut using restriction enzymes and then ran through a gel using electricity. The bands formed on the gel are compared to bands formed 5 suspects to determine which DNA matches.
(A) Genetic Engineering
(B)Artificial Selection
(C)Gel Electrophoresis
Answers
C) Gel electrophoresis. To compare DNA samples taken from a crime scene and a suspect, forensic analysts employ the laboratory process known as DNA fingerprinting.
Despite the fact that 99.9% of the human genome is the identical throughout the population, individual differences can be seen in the remaining 0.1% of human DNA. These changeable DNA sequences, also known as polymorphic markers, can be electrophoresed on a DNA gel to create distinctive DNA banding patterns on an agarose gel. Individuals can then be distinguished or correlated using the DNA bands.
You will be tasked with examining the DNA of two suspects that were identified from a crime scene using human DNA evidence (such as skin cells or hair).
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describes the weather at location X on Day 1 and Day 2? Maps of predicted weather conditions are shown.
Day 1: warm and rainy Day 2: cool with more rain
Day 1: warm and windy Day 2: cloudy and cold
Day 1: clear and cool Day 2: warm and rainy
Day 1: cold and rainy Day 2: clear and sunny
Day 2
Answers
The weather at location X on Day 1 and Day 2 is option D, Day 1: cold and rainy Day 2: clear and sunny as shown on the map.
What is a weather condition?Weather condition refers to the state of the atmosphere at a particular time and place with respect to variables such as temperature, humidity, wind speed and direction, air pressure, cloudiness, and precipitation. It describes the current atmospheric conditions and can change rapidly over short periods of time.
Other examples of weather conditions include, Precipitation (rain, snow, sleet, hail), Humidity (dry, moist), Wind (breezy, windy, calm), Cloud cover (sunny, cloudy, overcast), Atmospheric pressure (high pressure, low pressure).
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In certain fireworks, potassium nitrate breaks down into potassium oxide, nitrogen, and oxygen. This is an example of a reaction. The opposite process is a reaction.
Answers
Answer:
Explanation:
In specific fireworks, potassium nitrate breaks down into potassium oxide, nitrogen, and oxygen. This is an example of a combustion reaction. The opposite process is a SYNTHESIS REACTION.
Arable land is used to grow crops and feed livestock.
True
False
Answers
Answer:
True.
Explanation:
Arable land is defined as land that is suitable for farming, and is typically used for the production of crops and livestock feed. The term "arable" is often used to describe land that has been cultivated, plowed, and is ready for planting. This land is usually nutrient-rich and capable of supporting a variety of crops such as wheat, rice, corn, and soybeans, as well as forage crops for livestock such as alfalfa, clover, and grasses.
Farmers rely on arable land to produce food and feed for animals, and this land is a crucial resource for meeting the world's growing demand for agricultural products. Arable land is a finite resource, and it is important to use it efficiently and sustainably to ensure that future generations have access to the resources they need to produce food and feed for a growing global population.
How are scientists able to see photosynthesis from space? Explain.
Answers
Answer: Answer is below <3
Explanation: During photosynthesis, plants emit what is called fluorescence – light invisible to the eye but detectable by satellites orbiting hundreds of miles above Earth. NASA scientists have now established a method to turn this satellite data into global maps of the subtle phenomenon in more detail than ever before.
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A pea plant is heterozygous for both seed shape and seed color. S is the allele for the dominant,
spherical shape characteristic; sis the allele for the recessive, dented shape characteristic. Y is
the allele for the dominant, yellow color characteristic; y is the allele for the recessive, green
color characteristic. Fill in the Punnett square and tell how many offspring will be in the various
genotypes and phenotypes.
Parent 1 Genotype:
Parent 2 Genotype:
FOIL to determine gametes:
Parent 1 gametes:
Parent 2 gametes:
Offspring phenotype ratios:
Answers
Answer:
Parent 1 Genotype: SsYyParent 2 Genotype: SsYyFOIL to determine gametes:SsYy: SY, Sy, sY, sySsYy: SY, Sy, sY, syParent 1 gametes: SY, Sy, sY, syParent 2 gametes: SY, Sy, sY, syOffspring phenotype ratios:9/16 will have spherical and yellow seed (SSYY, SSYy, SsYY, SsYy)3/16 will have spherical and green seed (SSyy, Ssyy)3/16 will have dented and yellow seed (ssYY, ssYy)1/16 will have dented and green seed (ssyy)
Name the Characteristics of Platiheminthe
Answers
Characteristics of Platyhelminthes
They are triploblastic, acoelomate, and bilaterally symmetrical. They may be free-living or parasites. The body has a soft covering with or without cilia. Their body is dorsoventrally flattened without any segments and appears like a leaf.
Characteristic features of Phylum Platyhelminthes
Their body is dorsoventrally flattened.
They exhibit bilateral symmetry.
Also, they are triploblastic, with three germ layers.
They do not have a body cavity and are acoelomate.
The body is soft and unsegmented.
They are mostly parasitic with a few free-living ones.
We learned about Mendel's experiments with pea plants. Mendel noted that purple flowered pea plants ALSO had purple colored seeds. He also noticed that white flowered pea plants ALSO had no pigmentation in their seed coats. So Mendel found out that the gene for flower color also directs seed coat color. This gene must be: A.Polygenic B.Pleiotropic
Answers
Gregor Mendel explains his trials with peas that demonstrated that heredity is passed down in distinct pieces. People have always noted the likeness , both in animals and plants and in human families.
When did Mendel perform his studies on purple and white flowered pea plants?When Mendel tested purple- and white-flowered pea plants, he discovered that the F1 generation included no white-flowered plants. White-flowered plants were seen in the F2 generation. Choose the correct statement from the list below. The purple-flower gene is dominant over the white-flower allele.
Mendel then crossed these pure-breeding plant lines and noted the characteristics of the hybrid offspring. He discovered that all of the first-generation (F1) hybrids resembled one of the parents.
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