In a simple covalent compound, which statement is TRUE
about naming the second element in the compound?
a
The second element to be named is the one closer
to the left side of the periodic table.
The second element is given a prefix to represent
b how many of the element are present, and there
are no other changes to the element's name.
The second element to be named is the one closer
c to the right side of the periodic table, and it is given
the suffix -ide.
The element closer the right side of the periodic
d table is given its usual element name with no
changes.
Answer:
C:to the right side of the periodic table, and it is given
the suffix -ide.
Convert 19 rabbits into jackalopes, given that 5 rabbits = 8 hares and 10 hares = 13 jackalopes.
Answer:3 9 jackalopes
Explanation: given that five rabbits are equal to eight hares and ten hares are also equal to thirteen jackalopes:
19 rabbits =31 hares by (19×8)/5 so 31hares =39 jackal by 31×13/10
I need help with this question can someone help me with it
Answer:
sorry but can't understand your question properly
the following reaction gives a product with the molecular formula c4h8o2. draw the structure of the product.
The following reaction gives a product with the molecular formula C₄H₈O₂. The diagram of the structure of the product can be seen in the image attached below.
The reaction between C₂H₂(ONa)₂ and C₂H₄Br results in the formation of the product C₄H₈O₂ and 2NaBr.
This reaction undergoes an SN₂ mechanism since there is no stable carbocation formed. In the reaction -O⁻Na⁺ attacks the ortho position in C₂H₄Br to form C₄H₈O₂.
In SN₂ mechanism is a nucleophilic substitution reaction where one bond is formed while another one is broken simultaneously.
The mechanism for the reaction can be seen in the image attached below.
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2. Differentiate the types of tectonic plates.
Answer:
Explanation:
Convergent boundaries: where two plates are colliding. Subduction zones occur when one or both of the tectonic plates are composed of oceanic crust. ...
Divergent boundaries – where two plates are moving apart. ...
Transform boundaries – where plates slide passed each other.
PLEASE HELP I BEG
Q2 answer in one word
1.two important properties of any sound
2.time taken by a vibrating body to complete one vibration
3. vibration of frequency higher than 20000 Hz
Answer:
1.Velocity and pitch
2.The unit of vibration is hertz. The number of oscillations of an oscillating body per second is known as frequency. Complete step by step answer: The time taken by a vibrating body to complete one vibration is time period.
3.Frequencies above 20,000 Hz are known as ultrasound.
A plane travels 450,000 meters in 9000 seconds. What was the plane’s speed?
Answer:
50 metres per second.
Explanation:
Speed is the total distance covered divided by the time taken to cover that distance. Therefore, the plane's speed is obtained by dividing 450,000 metres by 9000 seconds, resulting in a speed of 50m/s.
which molecule is oxidized in the photosynthetic reaction?
Answer:
Water
Explanation:
Water is oxidized in photosynthesis, which means it loses electrons, and carbon dioxide is reduced, meaning it gains electrons
Diagrammatic Questions: m. Write the name of the elements of the given nucleus of the atoms.
11 p+
0n⁰
17 p+
18n⁰
5p+
6n⁰
11p+
12n⁰
19p+
20n⁰
Explanation:
Atomic;
Numb...
SymbolN
ame
Atomic Mass...1HHydrogen1.007972HeHelium4.002603LiLithium6.941
During recrystallization, why is it necessary to cool the solution slowly?
answer:
the reason is to ensure more solute is dissolving as it cools down. it is important to do it slowly because water will be sucked into buchner flask by a partial vaccum through the rubber tubing and be able to arrange molecules.
What is the process called when oxygen is mixed with another compound or element?
Answer:
Combustion
Explanation:
The process of adding oxygen to anything is called combustion
What does it mean when two solid objects take up different spaces?
They have different masses.
They have different volumes.
They have different temperatures.
They have different weights.
Answer:
I'm pretty sure it's they have different masses. I don't know though
Explanation:
Which statement correctly compares ice and liquid water?
A. Both liquid water and ice have definite shapes.
B. Particles of liquid water have more energy than particles of ice.
C. Liquid water has a lower temperature than ice.
D. Ice has a definite volume, but liquid water does not.
Answer:
B. Particles of liquid water have more energy than particles of ice.
Explanation:
We can work this out through eliminating the wrong statements.
A. Both liquid water and ice have definite shapes.
This is wrong because, as stated in the question, water is a liquid, and one of the properties of liquids is that they change shape to fit the shape of their container. If it changes shape, it does not have a "definite" shape.
B. Particles of liquid water have more energy than particles of ice.
This is correct, and here is why. There are 3 states of matter: solid, liquid and gas. As you apply heat energy to an object at each state, the particles receive more energy and can move around more (this is kinetic energy). In the case of liquid (water) and solid (ice), particles in solids do not have much energy and stay in rigid formations. They do vibrate slightly, but only on the spot (this is what gives solids "definite" shapes). On the other hand, particles in liquids have more energy than particles in solids, which means that they can move more (more kinetic ENERGY) and do not stay in formations (this is why they do not have "definite" shapes). Therefore, particles in liquids (water) have more energy than particles in solids (ice), and this statement is correct.
C. Liquid water has a lower temperature than ice.
This is wrong because liquids have more energy than solids. As explained earlier, the reason why particles in liquids have more energy is because more HEAT energy has been applied to them. In the same way, solids have less energy because less HEAT energy has been applied to them. Less heat means a lower temperature. (Also you can use common sense for this one, ice feels colder than liquid water, right?)
D. Ice has a definite volume, but liquid water does not.
This is wrong because of the law of conservation of mass. This law states that particles (or matter or volume) cannot be created or destroyed. When ice melts and becomes liquid water, it has not lost volume: the particles have just gained more energy. This question is most likely there to confuse you, because all substances have definite volumes.
I hope this helps!
Someone pls help me I will make you brain
Answer:
it is c greenhouse effect please mark me brainliest
Explanation:
Answer:
green house effect
Explanation:
The answer is green house effect.
If you weigh 60 pounds on Earth, your weight is _______on the moon (the moon has 1/6 the gravity of Earth).
Answer:
10 pounds
Explanation:
If the moon has 1/6 the gravity of earth, divide your weight on earth by 6 to find your weight on the moon
60 / 6 = 10 pounds
Someone pls help me I will make you brain
Answer:
A catalytic converter
Explanation:
Diesel filters are used to clean fuel not emissions, engine injection puts fuel directly into the engine and a transmission clutch changes the cars transmission.
Answer:
carbon monoxide and nitrogen oxide are needed to be properly maintained
Each component retains its own properties in a mixture.
true or false
Answer:
No it's false actually it's two or more components
Hope it helps :-):-)
Answer:false
Explanation:
21. When considering the Bohr model of a neon atom, which of the following is a true statement?
Ten protons would be located in the nucleus, and 10 neutrons would be on the outside of the atom orbiting in rings.
Ten protons would be located in the nucleus, and 10 electrons would be on the outside of the atom orbiting in rings.
O Ten protons would be located in the nucleus, and 20 neutrons would be on the outside of the atom orbiting in rings.
OTwenty protons would be located in the nucleus, and 10 electrons would be on the outside of the atom orbiting in rings.
The characteristics of the Bohr model allow you to find that the correct answer for the distribution of particles in the atom is:
b) Ten protons would be located in the nucleus, and 10 electrons would be on the outside of the atom orbiting in rings.
The bohr model was initially developed for hydrogen, where it manages to fully explain the spectrum of the hydrogen atom, it was quickly spread to other multi-electronic atoms with the characteristic of having a single electron in their last orbit.
The extension to atoms with more than one electron in the last shell the model results are not completely correct.
The Bohr model uses Rutherford's knowledge that the atomic nucleus is a very small part of an atom that contains all its mass, that is, it contains the protons and neutrons and the electrons are in circular orbits around the nucleus.
In the case presented of Neon, its electronic configuration is
1s² 2s² 2p⁶
Let's examine the different claims:
a) False. Protons and neutrons form the mass of the atom, therefore they are both in the nucleus.
b) True. The protons are in the nucleus and the electrons are in circular orbits.
c) False. All protons and neutrons must be in the nucleus, plus neon only has 10 neutrons.
c) False. The number of protons determines the type of atom. An atom with twenty protons is Calcium atom .
In conclusion, using the characteristics of the Bohr model we can find that the correct answer for the distribution of particles in the atom is:
b) Ten protons would be located in the nucleus, and 10 electrons would be on the outside of the atom orbiting in rings.
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Based on electronegativity differences, which bond is a polar covalent bond?
Answer:
A bond in which the electronegativity difference between the atoms is between 0.4 and 1.7 is called a polar covalent bond.
A polar covalent bond is a covalent bond in which the atoms have an unequal attraction for electrons and so the sharing is unequal.
when a carbohydrate is attached to a phospholipid what is the structure called
Answer:
Glycolipid
Explanation:
These are called glycolipids.
Glyco comes from the carbohydrate, and is a word relating to sugars, which are a type of carbohydrate
Lipid is a fat/oil, and as you could have guessed, comes from the phospholipid.
Hope I helped! :)
A carbohydrate attached to a phospholipid is called a glycolipid.
What is a glycolipid?Glycolipids can be described as the complex type lipid containing carbohydrates, fatty acids, and glycerol groups. The glycosidic term is used for any molecule containing one or more monosaccharides bound by glycosidic linkage.
Glycolipids can be also called structural lipids, which are generally found in the extracellular face of the cell membranes. Different types of glycolipid are Cerebroside and ganglioside.
Glycolipids provide energy to cells and help to determine the blood group. The blood group types determine from the oligosaccharides attached to a particular glycolipid on the surface of blood cells.
It assists the immune system of the body by destroying the pathogens in the human body.
A phospholipid is a lipid that is attached to the phosphate group. When the carbohydrate molecules attached to the lipid are known as glycolipid. Glycolipid plays an important role on the cell to cell interaction and cell differentiation.
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Drag each label to the correct location.
An element’s position in the periodic table provides information about its atomic structure. Use what you know about atomic structure to complete the table. Refer to the periodic table as needed.
for the sn1 reaction, draw the major organic product, identify the nucleophile, substrate, and leaving group, and determine the rate limiting step.
C4H9OH is the substrate, Br- is the nucleophile and H2O is the leaving group.
In an SN1 reaction, the rate limiting step is the formation of the carbocation. The carbocation is formed as water which is the leaving group departs. After the leaving group departs, the nucleophile (Br-) attacks to yield the major organic product. The protonation of the -OH group is the first step in the reaction.
It then follows that, C4H9OH is the substrate, Br- is the nucleophile and H2O is the leaving group.
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Sharon reads two different articles about avocados. The first article, in a weight-loss magazine, claims that avocados are unhealthy because they are high in fat. The second article, in an annual publication from a doctors’ group, claims that the fat in avocados is a type that is good for the heart.
To assess these claims, which question might Sharon ask?
Which source do avocados come from?
Where are avocados sold?
Is the source an authority on the subject?
How much do avocados cost?
Answer:
The correct anwser would be C
Explanation:
Answer:
The answer is C. Is the source an authority on the subject?
Explanation:
Which of the following statements is correct regarding the speed and velocity of an object? A. An object’s speed is determined by the distance the object traveled and how long it took the object to travel that distance. B. An object’s velocity is determined by the distance the object traveled, how long it took the object to travel that distance and what acceleration the object traveled. C. An object’s velocity is determined by the distance the object traveled and how long it took the object to travel that distance. D. An object’s speed is determined by the distance the object traveled, how long it took the object to travel that distance and what direction the object traveled.
Answer:
Explanation:
D
An object’s speed is determined by the distance the object traveled, how long it took the object to travel that distance, and what direction the object traveled. This statement is correct regarding the speed and velocity of an object.
What is velocity ?The directional speed of an item in motion, as measured by a specific unit of time and viewed from a certain point of reference, is what is referred to as velocity.
Velocity is the pace and direction of an item's movement, whereas speed is the time rate at which an object is travelling along a route.
Constant acceleration and constant velocity are both forms of motion, as you have already read. Because acceleration is the rate at which velocity changes, constant velocity and constant acceleration go hand in hand.
Thus, option D is correct.
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Ill give brainliest if you answer right
Answer:
I DID NOT SEE U QUESTION PROPELY BRO /SIS
The nucleus of most atoms is composed of which of the following sub-atomic particles?
A. tightly packed protons.
B. tightly packed neutrons.
C. tightly packed protons and neutrons.
D. loosely connected protons and electrons.
Answer:
C. Tightly packed protons and neutrons
Explanation:
It consists of two sub-atomic particle namely proton and neutron.
This dense nucleus is responsible for most of the mass of atom.
Answer:
C. tightly packed protons and neutrons
Explanation:
The nucleus of an atom is made of protons and neutrons with electrons orbiting the nucleus.
NO LINKSSSS PLEASE!!!
The solubility of oxygen gas in water is increased by which of the procedures shown below?
Select one:
a. Decreasing the temperature of the solution.
b. Decreasing the pressure on the solution.
c. Increasing the temperature of the solution.
d. Stirring the solution.
Answer: b
Explanation:
What are the Chemical properties of Ethyne
Answer:
Ethyne is a colourless gas with a characteristic smell. It has a melting point -81oC. It has a boiling point -84oC.
Explanation:
Write the chemical formula for disilicon hexabromide.
Answer:
Br6Si2
Explanation:
The chemical formula for disilicon hexabromide is Si₂Br₆.
The chemical formula of a compound is a symbolic representation of its chemical composition.
Chemical formulae gives information about the elements that constitute the molecules of a compound and also about the ratio in which the atoms of these elements combine to form such molecules.
Every constituent component in a chemical formula is identified with its chemical symbol, along with the relative number of atoms that make up each element.
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What happens to mass and energy in a closed system?
A. Only energy can enter or exit a closed system.
B. Neither energy nor mass can enter or exit a closed system.
C. Only mass can enter or exit a closed system.
D. Both energy and mass can enter or exit a closed system.
Answer:
the correct answer is D. Both energy and mass can enter or exit a closed system.
Explanation:
Answer: A.
Explanation:
only energy can enter or exit a closed system