In literary classes, the three most popular types are verbal irony, dramatic irony, and situational irony. When a speaker or narrator says something that contradicts what they mean, what they intend, or what the context necessitates, this is called verbal irony.
What is irony?One thing is expressed while another is meant in an ironic statement. For example, on a chilly, wet gray day, you would exclaim, "What a gorgeous day!" Alternatively, if you were suffering from a severe case of food sickness, you may respond, "Wow, I feel terrific today." "ffers points of view and ideas that are, at most, intriguing... However, it does not reach the truth." Ronagh and Souder are particularly concerned with scientific assertions that are not meant to be taken seriously.
Here,
The three most common varieties in literary studies are verbal irony, dramatic irony, and situational irony. Verbal irony occurs when a speaker or narrator says something that contradicts what they mean, what they intend, or what the context requires.
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world production of ammonia is now about 30 times greater than it was in 1950 suggest why the demand for ammonia is increased
There are a few reasons why the demand for ammonia has increased over time:
Population growth: The world's population has grown significantly over the past 70 years, and as the population has grown, so has the demand for food. Ammonia is a key ingredient in the production of fertilizers, which are used to help grow crops and increase food production. As the population has increased, so has the demand for fertilizers, which has contributed to the increase in the production of ammonia.Industrialization: As more countries have industrialized and developed, there has been an increased demand for ammonia to use as a feedstock in the production of chemicals, plastics, and other industrial products.Energy production: Ammonia can be used as a source of renewable energy, and there has been an increased demand for clean energy sources in recent years. This has led to an increase in the production of ammonia for use in energy production.Environmental concerns: Ammonia can be used to reduce greenhouse gas emissions, and there has been an increased focus on finding ways to reduce environmental impact. This has led to an increase in the production of ammonia for use in environmental applications.Hope This Helps You!
1.___The enthalpy of the reactants of the reaction is about:
2.___The enthalpy of the products of the reaction is about:
3.___The activation energy of the reaction is about:
4.___The heat of reaction (ΔH) of the reaction is about:
5.___The forward reaction is:
6.___Addition of a catalyst would lower the:
7.___The enthalpy of the reactants is _______than the enthalpy of the products
a. greater
b. kinetic energy
c. 200 kJ
d. 120 kJ
e. exothermic
f. endothermic.
g. 80 kJ
h. 160 kJ
I. enthalpy
j. activation energy
k. less
Answer:
1.c 2.j 3.h 4.a 5.d 6. b 7.k 8.e
Explanation:
The solubility of glucose (a type of sugar) is 133 g/1000mL. Would you expect a mixture made of 60 g of glucose in 500 mL of water to be saturated? Why or why not?
Answer:
yes
Explanation:
60/500 is less than 133/1000 meaning that the glucose will be able to disolve without a salute
The picture below shows an open field with wildflowers.
Which of the following is NOT a way that this environment supports populations of bees?
Answer:
no picture you need add it
Balance the following double displacement reaction and determine the coefficients of all of the reactants and products.
___ BaCl2 +___ Na2CO3 --> ___ BaCO3 + ___ NaCl
This double displacement reaction and the coefficients of all the reactants and products in this balanced chemical reaction is Bacl₂ + Na₂CO₃ = BaCO₃ + 2Nacl.
What is a double displacement reaction?A double displacement reaction is a particular type of reaction in which two reactants swap ions to produce two new molecules. Water-soluble ionic compounds interact with one another in a number of double displacement processes.
What is the meaning of coefficients?Coefficients are the numbers or expressions put in front of a chemical symbol or formula to balance chemical equations. It provides information on the number of atoms or molecules of the drug or chemical that are a part of the reaction.
What is a chemical reaction?When two or more compounds come into touch with one another and create a new substance, the process is known as a chemical reaction (s). Reactants or reagents are the name(s) for the substance(s) or substances that are initially incorporated into the chemical process. Chemical reactions typically involve a chemical change and produce one or more products, which typically differ from the reactants in some ways.
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What is the percent by volume of isopropyl alcohol in a solution made by mixing 120 mL of the alcohol with enough water to make 350 mL of solution?
Answer: The percent by volume of isopropyl alcohol in a solution made by mixing 120 mL of the alcohol with enough water to make 350 mL of solution is 25.5%.
Explanation:
Given: Volume of solute = 120 mL
Volume of solvent = 350 mL
Now, total volume of the solution is as follows.
[tex]V_{total} = V_{solute} + V_{solvent}\\= 120 mL + 350 mL\\= 470 mL[/tex]
Let us assume that 100 mL of solution is taken and the amount of isopropyl alcohol present in it is as follows.
[tex]\frac{V_{solute}}{V_{total}} \times 100 mL\\\frac{120 mL}{470} \times 100 mL\\= 25.53 mL[/tex]
Hence, there is 25.53 mL isopropyl alcohol is present in 100 mL of solution. Therefore, %v/v is calculated as follows.
[tex]Percent (v/v) = \frac{25.53 mL}{100 mL}\\= 25.5%[/tex]
Thus, we can conclude that the percent by volume of isopropyl alcohol in a solution made by mixing 120 mL of the alcohol with enough water to make 350 mL of solution is 25.5%.
help help help help help help help help help
Answer:
what do u need help with sir
What type of circuit does this figure represent?
parallel circuit
series circuit
short circuit
open circuit
Two lengths of wire connect opposite sides of a battery to contacts on opposite sides of lightbulb one, then lightbulb two, and then lightbulb three.
HELP NOWWWWWWW I WILL MARK BRANILEST!!
Answer:you answer would be B
Explanation:and I'm bc I took the rest lol
Parellel Curcuit Explanation: I took the Test On k12
Almost all of the oxygen (O2) one consumes in breathing is converted to:
a. acetyl-CoA.
b. carbon dioxide (CO2).
c. carbon monoxide and then to carbon dioxide.
d. none of the above.
e. water.
Almost all of the oxygen (O2) one consumes in breathing is converted to: b. carbon dioxide (CO2).
When we breathe in oxygen, it is used in cellular respiration, which is the process by which our body converts glucose and oxygen into energy in the form of ATP. In the process, the oxygen is combined with the hydrogen atoms from glucose to form water, and the carbon atoms from glucose are converted to carbon dioxide (CO2) as a waste product. Therefore, almost all of the oxygen that one consumes in breathing is converted to carbon dioxide (CO2).Breathing is the process by which an organism takes in oxygen and expels carbon dioxide. In humans and other mammals, this process is accomplished through the respiratory system, which includes the nose, trachea, bronchi, and lungs. When we inhale, air is drawn into the lungs through the nose or mouth, passing through the trachea and bronchi before reaching the alveoli, which are small air sacs in the lungs where gas exchange occurs.
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what is the concentration of HCl solution if 20.4 mL of a 1 M NaOH solution was needed to completely react with 25 ml of hcl
The concentration of the HCl solution is 0.816 M (or 816 mM).
To determine the concentration of the HCl solution, we can use the balanced equation for the neutralization reaction between HCl and NaOH:
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)
This reaction is a neutralization reaction, which means that the number of moles of H+ ions (from the HCl) is equal to the number of moles of OH- ions (from the NaOH).
Given that 20.4 mL of a 1 M NaOH solution was needed to completely react with 25 ml of HCl, we can use the volume and molarity of the NaOH solution to determine the number of moles of OH- ions:
Molarity = moles of solute/litres of solution
Moles of OH- = (20.4 mL x 1 M) / 1000 mL/L = 0.0204 moles
Since the number of moles of H+ ions is equal to the number of moles of OH- ions, we can use the number of moles of OH- to determine the number of moles of H+ ions:
moles of H+ = moles of OH- = 0.0204 moles
We can then use the number of moles of H+ ions and the volume of the HCl solution to determine the concentration of the HCl solution:
Molarity = moles of solute/litres of solution
concentration of HCl = moles of H+ / (25 mL / 1000 mL/L) = 0.0204 moles / 0.025 L = 0.816 M (or 816 mM)
Therefore, the concentration of the HCl solution is 0.816 M (or 816 mM).
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what is the formula for dinitrogen pentoxide?
A)NO5
B)N5O2
C)N2O5
D)N2O7
Answer:
C) N2O5
Explanation:
A 13.1-g sample of ice at −17.9°C is mixed with 103.5 g of water at 73.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. The heat capacities of H2O(s) and H2O(l) are 2.03 and 4.18 J/g·°C, respectively, and the enthalpy of fusion for ice is 6.02 kJ/mol.
The final temperature of the mixture when no heat loss to the surroundings is equal to 69.57 °C
What is the specific heat capacity?The specific heat capacity can be defined as the amount of heat required to increase the temperature in 1 unit of substance by 1° Celcius.
The specific heat capacity can be expressed in the form of the mentioned formula below:
Q = mSΔT
The specific heat capacity of the water, S = 4.184 J/g°C
The heat lost by water = heat gained by the ice
Heat lost by water = heat gained by the ice + heat increased by the water
m₁S₁ (T₂ - T₁) = m₂L + m₂S₂ (T₂ - T₁)
103.5 × 4.18 × (73- T) = 13.1 × (2.03) + 5 × 4.18 × (T-0)
31582 - 432.63 T = 26.59 + 20.9 T
453.53 T = 31555
T = 69.57 °C
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What is the measurement of expired CO2 that typically provides a numeric display of the partial pressure of CO2 in torr or mmHg
The measurement of expired CO₂ that typically provides a numeric display of the partial pressure of CO₂ in torr or mmHg is the capnometry.
The capnometry measurement of the CO₂ , carbon dioxide is the measurement in the expired air and it provides the clinician with the noninvasive measurement of systemic metabolism and the ventilation. it is used to determine the correlation in between the tidal CO₂ and the partial CO₂ in the non intubated breathless patents.
Thus, the measurement if the expired CO₂ that shows the partial pressure of the CO₂ is the capnometry.
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Which type of plate boundary is represented at point A?
Answer:
You haven't put an image so that I can determine your answer
Explanation:
Answer:
Point A represents a location on a tectonic plate boundary. Plates X and Y represent major tectonic plates. The island of Crete; the Anatolian Plate, which is a minor tectonic plate; and the Hellenic Trench have been labeled. Arrows indicate the relative directions of plate motion.
Explanation:
Which of the following individuals would be most likely to display conforming behavior?Immersive Reader
(1 Point)
A.a carpenter who has been widely praised for his work
B.the school chess champion
C.a teenage girl who thinks she is unattractive
D.a successful business executive
7. Convert 25.0 grams of KMnO4 to moles.
K-39.098
Mn- 54.938
0-15.999
Answer in THREE Sig Figs with Units
What information does the percent composition of an atom in
a molecule give?
The relative number of atoms one element
contributes to a molecule
B. The total number of atoms of that element in a molecule
• C. The total mass that element contributes to a molecule a
O
D. The relative amount of mass an atom contributes to
a molecule
Answer:
I think Option no D is the suitable answer
Which solution is the least concentrated? 4 moles of solute dissolved in 6 liters of solution? 4 moles of solute dissolved in 6 liters of solution? 1 mole of solute dissolved in 1 liter of solution? 1 mole of solute dissolved in 1 liter of solution? 8 moles of solute dissolved in 4 liters of solution? 8 moles of solute dissolved in 4 liters of solution? 3 moles of solute dissolved in 2 liters of solution?
Answer:
The solution that is least concentrated is the one containing 4 moles of solute dissolved in 6 liters of solution .
Explanation:
Concentration is defined as the amount of a substance in a given apquantitybof solvent or solution. The unit of concentration is usually given as mol/litre
Mathematically, concentration = Number of moles of solute/ volume of solution in litres.
To determine the solution that is least concentrated from the given solutions, their concentrations in mol/L is calculated.
Concentration of solution containing 4 moles of solute dissolved in 6 liters of solution = 4 mol/6 litres = 0.67 mol/L
Concentration of solution containing 1 mole of solute dissolved in 1 litre of solution = 1 mol/ 1 litre = 1 mol/L
Concentration of solution containing 1 mole of solute dissolved in 1 liter of solution = 1 mol/ 1 litre = 1 mol/L
Concentration of solution containing 8 moles of solute dissolved in 4 liters of solution = 8 moles / 4 litres = 2 mol/L
Concentration of solution containing 8 moles of solute dissolved in 4 liters of solution = 8 moles/ 4 litres = 2 mol/L
Concentration of solution containing 3 moles of solute dissolved in 2 liters of solution = 3 moles / 2 litres = 1.5 mol/L
Therefore, the solution that is least concentrated is the one containing 4 moles of solute dissolved in 6 liters of solution .
How many protons does one oxygen atom contain
Answer:
8
Explanation:
Its official chemical symbol is O, and its atomic number is 8, which means that an oxygen atom has eight protons in its nucleus
A reaction produces 4.93 L of oxygen, but was supposed to produce 1 mol of oxygen. What is the percent yield
When only 1 mol of oxygen was intended to be produced, a process instead yields 4.93 L of oxygen. The percent yield of the reaction is 493%.
Percent yield is a measure of how much of the desired product is produced in a chemical reaction. It is calculated by comparing the actual yield of a product to the theoretical yield, which is the amount of product that would be produced if the reaction were 100% efficient.
To calculate the percent yield, you can use the formula:
= percent yield
= (actual yield / theoretical yield) x 100%
The theoretical yield of a reaction is calculated by multiplying the number of moles of reactant used by the stoichiometry of the reaction. In this case, the reaction is supposed to produce 1 mol of oxygen, which is the theoretical yield. To calculate the actual yield, we can use the Ideal gas law PV = nRT, where P is the pressure, V is the volume, n is the number of mol. Since we know that V = 4.93 L, we can use this information to find n:
= n
= (PV) / RT
The actual yield is 4.93 L of O2 or 4.93 L of any gas at STP (Standard Temperature and Pressure) is equivalent to 4.93 moles of O2.
Then we can use this information to calculate the percent yield:
= percent yield
= (actual yield / theoretical yield) x 100%
= (4.93 moles O2 / 1 mole O2) x 100%
= 493%
So, the percent yield of the reaction is 493%.
It's important to note that a percent yield of greater than 100% is usually an indication of an error in the measurement or calculation of the actual yield, or it could be an indication that the theoretical yield is incorrect.
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is there a pattern to the location of planets based on their density ?
Yes!
Explanation:
If density is greater, the object sinks. Saturn is mainly composed of the lightest two gases known, hydrogen and helium. It is the only planet in our solar system whose density is less than water.
If Si bonds with O, what type of bond is it? *
Answer:
covalent bond
the answer is short I don6 know why brainly is telling me it needs to be 20 characters long
Please help! Worth 20 points and I’ll give brainliest.
PLEASE HELP ASAP!!!!
A law summarizes a set of observations about an experiment.
What exactly does the word law mean?Chemical law: Most of the properties and the atomic structure of the elements vary periodically when the elements are arranged in the order of their atomic numbers.
A sound explanation for observations is referred to as a theory. A summary of the relationship between variables constitutes a scientific law. A controlled method of testing a hypothesis is through an experiment.
The fundamental chemistry laws in chemistry are considered to be the following three: the mass conservation principle. the principle of proportional equality. A multiple proportions law.
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True or False: The bowling ball pendulum didn’t hit Bill Nye in the face because the amount of kinetic energy can never be more than the amount of potential energy, some of the energy is transferred to heat.
The bowling ball pendulum didn’t hit Bill Nye in the face because the amount of kinetic energy can never be more than the amount of potential energy, some of the energy is transferred to heat. This statement is true.
Why didn't the bowling ball pendulum hit Bill Nye in the face?The bowling ball pendulum did not hit Bill Nye in the face because potential energy will always be greater than kinetic energy. When a force (a push or a pull) acts on something over a long distance, this occurs.
For instance, if the object is positioned at a higher height, its kinetic energy will be higher. Potential energy is not transferable and varies with object mass, height, and distance.
Thus, The bowling ball pendulum didn’t hit Bill Nye in the face because the amount of kinetic energy can never be more than the amount of potential energy, some of the energy is transferred to heat.
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Which of the following alkenes cannot be converted into an alkyne by reacting it with bromine followed by an excess of sodium amide and then with water? X X II III DIVE, III and IV II &IX
Among the following alkenes (D) IV cannot be converted into an alkyne by reacting it with bromine followed by an excess of sodium amide and then with water.
An alkene must first be brominated by an addition reaction that produces a vicinal dibromide in order to transform it into an alkyne. All alkenes that have at least one double bond double substituted render them unsuitable for this method due to the requirement of this vicinal dibromide. This is so that the alkane can undergo a double elimination and produce an alkene, which needs at least one C-H and C-X bond. This hinders the conversion of molecule IV into an alkyne.
The dibromo alkane would change into the provided alkene by losing one unit of HBr if it were to react with bromine. However, the second beta-elimination cannot take place since there isn't hydrogen that is physically linked to the alkene carbon. So (D) IV is the right option.
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De acuerdo con la Ley de la Conservación de la Materia postulada por Lavoisier, ¿cuál ecuación química está balanceada? A C2H5OH(l) + O2(g) → CO2 + H2O B C2H5OH(l) + O2(g) → 2CO2 + H2O C C2H5OH(l) + 3O2(g) → 2CO2 + 3H2O D C2H5OH(l) + O2(g) → 2CO2 + 3H2O E 2C2H5OH(l) + 3O2(g) → 2CO2 + 3H2O
Answer:
C C2H5OH(l) + 3O2(g) → 2CO2 + 3H2O
Explanation:
La ley de conservación de la materia implica que en una reacción química los átomos en los reactivos son iguales a la cantidad de átomos en los productos:
A C2H5OH(l) + O2(g) → CO2 + H2O
En los reactivos hay dos átomos de carbono pero en los productos solo 1. De esta manera, no cumple la ley de conservación.
B C2H5OH(l) + O2(g) → 2CO2 + H2O
En los reactivos hay 6 átomos de hidrógeno pero en los productos solo 2. No cumple la ley de conservación.
C C2H5OH(l) + 3O2(g) → 2CO2 + 3H2O
En los reactivos y productos hay: 2 átomos de carbono, 6 átomos de hidrógeno y 7 átomos de oxígeno. Cumple la ley de conservación.
D C2H5OH(l) + O2(g) → 2CO2 + 3H2O
En los reactivos hay 3 átomos de oxígeno y en los productos 7. No cumple la ley de conservación.
E 2C2H5OH(l) + 3O2(g) → 2CO2 + 3H2O
En los reactivos hay 4 átomos de carbono y en los productos solo dos. No cumple la ley de conservación.
A gas occupies 43.0 L of space at 225 ℃. Calculate the final temperature of the gas if it is compressed to 20.6 L of space.
Answer:
[tex]T_2=238.57^{\circ} C[/tex]
Explanation:
Given that,
Initial volume, V₁ = 43 L
Initial temperature, T₁ = 225℃ = 498 K
Final volume, V₂ = 20.6 L
We need to find the final temperature. We know that, the relation between volume and temperature is given by :
[tex]V\propto T\\\\\dfrac{V_1}{V_2}=\dfrac{T_1}{T_2}\\\\T_2=\dfrac{T_1V_2}{V_1}[/tex]
Put all the values,
[tex]T_2=\dfrac{498\times 20.6}{43}\\\\T_2=238.57^{\circ} C[/tex]
So, the final temperature is equal to [tex]238.57^{\circ} C[/tex].
Determine the freezing point and boiling point of a solution that has 68.4 g of sucrose
(C12H22011) dissolved in 100.g of water?
Answer:
Freezing T° of solution = - 3.72°C
Boiling T° of solution = 101.02°C
Explanation:
To solve this we apply colligative properties. Firstly, freezing point depression:
ΔT = Kf . m . i
ΔT = Freezing T° of pure solvent - Freezing T° of solution
Kf = Cryoscopic constant, for water is 1.86 °C/m
m = molality (moles of solute in 1kg of solvent)
i = Ions dissolved in solution
Our solute is sucrose, an organic compound so no ions are defined. i = 1.
Let's determine the moles: 68.4 g . 1mol/ 342g = 0.2 moles
molality = 0.2 mol / 0.1kg of water = 2 m
We replace data: ΔT = 1.86°C/m . 2m . 1
Freezing T° of solution = - 3.72°C
Now, we apply elevation of boiling point: ΔT = Kb . m . i
ΔT = Boiling T° of solution - Boiling T° of pure solvent
Kf = Ebulloscopic constant, for water is 0.512 °C/m
We replace:
Boiling T° of solution - Boiling T° of pure solvent = 0.512 °C/m . 2 . 1
Boiling T° of solution = 0.512 °C/m . 2 . 1 + 100°C → 101.02°C
Why do we use an excess of aldehyde in the aldol-dehydration reaction? O to form an enolate anion O to insure that the double aldol-dehydration takes place O to react with the free radicals
O to prevent air-oxidation
Option B, Using an excess of aldehyde in the aldol-dehydration reaction is done primarily to ensure complete conversion of the reactants to the desired product.
An excess of aldehyde is used to ensure that there is a sufficient concentration of the aldehyde present in order to form the enolate anion, which is the reactive intermediate in the aldol-dehydration reaction. To achieve high yield: Using an excess of aldehyde allows for the formation of multiple enolate anions, which increases the chances of a double aldol-dehydration reaction taking place, resulting in the formation of the desired product. Using an excess of aldehyde helps aldol-dehydration to prevent this by reducing the exposure of the aldehyde to air.
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