At equilibrium,

a, the forward reaction rate is lower than the reverse reaction rate.

b. the forward reaction rate is higher than the reverse reaction rate.

c. the forward reaction rate is equal to the reverse reaction rate.

d. po reactions take place.

Answers

Answer 1

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C. the forward reaction rate is equal to the reverse reaction rate

Answer 2

Chemical equilibrium is dynamic in nature and it can be attained only if the system is a closed one. At equilibrium the forward reaction rate is equal to the reverse reaction rate. The correct option is C.

What is chemical equilibrium?

The state of a system in which the measurable properties of the system do not undergo any further noticeable change under a particular set of conditions is called the state of equilibrium. The properties like pressure, concentration, etc. is constant at equilibrium and remain unchanged thereafter.

An equilibrium can be attained from either direction, i.e., from the direction of the reactants as well as from the direction of the products. At equilibrium the rate of forward reaction is equal to that of the backward direction.

In forward reaction, the reactants are converted into products and in backward reaction, the products are changed into the reactants.

Thus the correct option is C.

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Related Questions

C. Uprooted plants dry and die. Why?​

Answers

Because:

Their roots are no longer in the soil. Thus, can't absorb water and mineral ions needed for plant growth via photosynthesis.

Hope this helps!

Answer:

Yes

Explanation:

Well this is because when a plant is planted water goes from the soil, into the roots then finally distributed to other parts of the plant.

So when plants have been plucked or uprooted water no longer has access to the plant which may result to the plant being dried up and will possibly die

will favor dissolution and
will favor crystallization in a saturated solution of table sugar.

a. cooling, heating
b. heating, cooling

C. evaporation, heating
d. cooling, evaporation

Answers

Answer:

b) heating, cooling

Explanation:

Heating will favour dissolution (it helps dissolving faster).

Cooling helps in crystallization.

MgCl2(aq) + NaOH(aq) →

Answers

Explanation:

MgCl2(aq) + NaOH(aq) = Mg(OH)2(s) + NaCl. Both magnesium nitrate and sodium hydroxide solutions are colourless solutions. When they react with each other, a white precipitate (Mg(OH)2) and a colourless solution is given. Sodium chloride exists in the colourless aqueous solution.

elenium dichloride, SeCl2, has a molar mass of 149.86 g/mol. What is the mass in grams of 0.195 moles of SeCl2? Use the common abbreviation for the units.

Answers

Selenium chloride has a molar mass of 149.86 g/mol. The mass of selenium dichloride in grams is 29.22 grams.

What is mass?

Mass is the quantity of matter of a physical body.

The molar mass is given 149.86 g/mol

The number of moles is 0.195

By the formula of molar mass

[tex]\rm Molar\;mass = \dfrac{mass}{number\;of\;moles} \\\\\rm mass = molar mass \times number\;of\;moles\\\rm mass =149.86 \times 0.195 = 29.22 g[/tex]

Thus, the mass of selenium dichloride in grams is 29.22 grams.

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a sample of sulfur dioxide occupies a volume of 652 mL at 40.0 C and 0.75 atm. What volume will the sulfur dioxide occupy at STP?

Answers

The volume that sulfur dioxide will occupy with a volume of 652 mL at 40.0°C and 0.75 atm is 0.019moles. Details about volume can be found below.

How to calculate volume?

The volume of a gas can be calculated using the following formula:

PV = nRT

P = pressureV = volumen = number of molesR = gas law constantT = temperature

0.75 × 0.652 = n × 0.0821 × 313

0.489 = 25.69n

n = 0.489/25.69

n = 0.019moles

Therefore, the volume that sulfur dioxide will occupy with a volume of 652 mL at 40.0°C and 0.75 atm is 0.019moles.

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What is the percent composition of Cesium and Fluorine in CsF?

Answers

The percent composition of Cesium and Fluorine in CsF are 87.493 % and 12.507 % respectively.

What is a percentage composition?

Percent composition is very simple. Percent composition tells you by mass what percent of each element is present in a compound.

Molecular mass of Cs = 132.9054519

Molecular mass of F = 18.9984032

Molecular mass of CsF = 132.9054519 + 18.9984032 = 151.9038551

CsF: Percent composition by element:

Cesium (Cs) =  [tex]\frac{32.9054519 X 100}{151.9038551}[/tex] = 87.493 %

Fluorine (F) =  [tex]\frac{18.9984032 X 100 }{151.9038551}[/tex]= 12.507 %

Hence, the percent composition of Cesium and Fluorine in CsF are 87.493 % and 12.507 % respectively.

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how many liters of water are needed to prepare 756 g of CaCO3 for a 3.50 M solution? MM=100.1 grams/mole

Answers

The volume of water needed to prepare the solution given the data is 2.16 L

What is molarity?

This is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

How to determine the mole of CaCO₃Mass of CaCO₃ = 756 g Molar mass of CaCO₃ = 100.1 g/mol Mole of CaCO₃ =?

Mole = mass / molar mass

Mole of CaCO₃ = 756 / 100.1

Mole of CaCO₃ = 7.55 moles

How to determine the volume Mole of CaCO₃ = 7.55 molesMolarity = 3.5 MVolume = ?

Volume = mole / molarity

Volume = 7.55 / 3.5

Volume = 2.16 L

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Which of the following describes how air resistance affects the motion of a falling object?(1 point) Air resistance may change the direction of a falling object but does not affect its speed. Air resistance may change the direction of a falling object but does not affect its speed. Air resistance opposes the force of gravity and causes falling objects to lose speed once they reach terminal velocity. Air resistance opposes the force of gravity and causes falling objects to lose speed once they reach terminal velocity. Air resistance opposes the force of gravity and causes an object to reach terminal velocity. Air resistance opposes the force of gravity and causes an object to reach terminal velocity. Air resistance works with gravity to pull a falling object towards the Earth. Air resistance works with gravity to pull a falling object towards the Earth.

Answers

Answer:

Air resistance opposes the gravity in a falling object hence the object loses speed once it reaches terminal velocity.

According to the experim

calculate the mass of copper that could be made from 4.0g of copper oxide

Answers

The mass of copper that will be produced from copper oxide is determined as 3.19 g.

Mass of copper produced from copper oxide

The mass of copper that will be produced from copper oxide is calculated as follows;

2Cu + O₂  -----> 2CuO

2          1             2

2(63.5) ------------ 2(79.5)

x ---------------------- 4 g

x = (4 x 2 x 63.5)/(2 x 79.5)

x = 3.19 g

Thus, the mass of copper that will be produced from copper oxide is determined as 3.19 g.

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A system is a group of parts that can be considered one unit. Storm systems, ecosystems, and our bodies are natural systems. Cars and houses are human-made systems. Choose an example of a system, and analyze the energy flow through the system. Describe in detail how energy enters the system, how energy changes form while in the system, and how energy leaves the system.

Answers

An ecosystem is simply a collection of communities of plants, animals, and microbes interacting together and with their physical environments.

Energy flow in an ecosystem

Energy enters the ecosystem through a group of living organisms known as the producers. the producers are mainly the green plants that are capable of photosynthesizing.

Photosynthesis converts solar radiation from the sun to chemical energy in green plants. Another group of organisms in the ecosystem, the primary consumers, feed directly on the producers and as such, are able to gain some energy from them.

The secondary consumers obtain their own energy by feeding on primary consumers. Tertiary consumers feed on the secondary consumers for their own energy and the food chain goes on and on.

Only about 10% of the available energy in one trophic level goes to the next trophic level. The rest of the energy is lost as heat to the surroundings. Thus, the producers have the highest energy in the ecosystem while organisms at the top of the food chain have the lowest energy.

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what is the effect of temperature and pressure on crystal structure ?

ty! :)​

Answers

Answer:

Increase of pressure increases the coordination number during crystallization e.g. by applying pressure the NaCl type crystal structure having 6:6 coordination number changes to CsCl type crystal having coordination number 8:8.

welc!! you Σ=)

What is the molarity of .200 L of solution in which 2.0 moles of sodium bromide is dissolved?

Answers

Answer:

it’s 10ml

Explanation:

200/2 = 10

Which best describes a difference between laser light and regular light? Laser light is less concentrated. Laser light has a beam that spreads out. Laser light is made of one specific color. Laser light pumps out light particles one at a time.

Answers

Answer:

Laser light is made of one specific color

Explanation:

Regular light is a mixture of electromagnetic waves of different wavelengths

Laser light is monochrome (one colour).

common laser colors are

red , green and violet

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Answer: C

Explanation: got it right on edge 2023

The density of methane at 0 degree Celsius and 1 atm pressure is 0.668g/L. If 1 lb is equal to 454 grams, 1 L is equal to 1000cm3 and 1 inch is equal to 2.54 cm, what is the density in pounds per cubic inch

Answers

The value of density in the required units is [tex]\rm \rho = 2.4\times 10^{-5} lb/in^{3}[/tex]

What is Density ?

Density, mass of a unit volume of a material substance. The formula for density is

d = M/V

where d is density, M is mass, and V is volume.

Density is commonly expressed in units of grams per cubic centimetre.

In the given question

Density given is 0.668 g/L

1 lb = 454grams.

1L = 1000 cm³

1 inch = 2.54 cm

Density in pounds per cubic inch =

[tex]\rm \rho = 0.668 \times \dfrac{(1 \;lb)(1 grams)}{454\; grams}\times \dfrac{(1 L)(2.54)^{3}(1 cm^{3})}{1000cm^{3}(1\;L)(1 in^{3})}[/tex]

[tex]\rm \rho = 2.4\times 10^{-5} lb/in^{3}[/tex]

Therefore the value of density in the required units is [tex]\rm \rho = 2.4\times 10^{-5} lb/in^{3}[/tex].

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How many grams of chlorine atoms are present in a 3.45 g sample of barium chloride (BaCl2)?

Answers

Grams are the unit of measurement of the mass or the weight of the substance. There are 1.17 gms of chlorine atoms in the sample.

What is mass?

The mass of the substance is the multiplication of the moles and the molar mass.

Barium chloride dissociates as:

BaCl₂ ⇄  Ba²⁺ + 2 Cl⁻

From the reaction, it can be said that 1 mole of barium chloride dissociates into 1-mole barium ion and 2 moles of chloride ions.

Moles of barium chloride are calculated as:

Moles = mass ÷ molar mass

= 3.45 gm ÷ 208.23 g/mol

= 0.016 moles

If 1 mole of Barium chloride has 2 moles then 0.016 moles of the sample will have, 0.0331 moles of chloride ions.

The mass of chlorine atoms is calculated as:

Mass = moles × molar mass

= 0.0331 × 35.45

= 1.17 gms

Therefore, 1.17 gms of chlorine atoms are present in barium chloride.

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Please help!!

Is this an:

Acid

Base

Neither

Answers

Answer:

it is a weak acid

acid

Explanation:

formaldehyde is a weak acid (pK greater than 13),

# 1083 of LethalDose
Concentrated hydrochloric acid is 38%, by mass, HCI in water. How
many grams of HCI are there in 25.0 g concentrated hydrochloric acid?
Select one:
O a. 38.0 g
O b.
25.0 g
O c. 16.5 g
O d. 12.0 g
O e. 9.50 g

Answers

The amount, in grams, of HCl that are in 25.0 grams of concentrated hydrochloric acid will be 9.5 grams

Percentage content

Every concentrated HCl contains 38% HCl by mass. This means that 38 grams of HCl would be in every 100 grams of concentrated HCl.

There, for 25.0 grams concentrated HCl, the amount of HCl can be calculated as:

         38/100 x 25.0 = 9.5 grams

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1.2 x 10-3 M in ph and is a acid or a base

Answers

Answer:

base

Explanation:

bases have a phone scale more than 7

1. How many moles are in 78.9g of HCI?​

Answers

Answer: 2.16 mol HCl

7. How many molecules are in 4.80 moles of NaCL?

Answers

Answer:

280gr of salt

Explanation:

4.80 x ( 22.99 + 35.45) = 280gr

Simple as that

           

[Co(H2O)6]2+ what is the name

Answers

try hexaaquacobalt(II) cation

Chloroquine is used to treat malaria. Studies have shown that one dose for a 12 kg child is 3.5 mg/kg of body weight and that 4 doses should be taken per day. How many milligrams of this drug should be given in one day?

Round your answer to the correct number of sig figs.

Answers

Answer:  100 milligrams per dose

10 mg per kg. The drug of ten kilos so you do

10 mg * 10 kg = 100 mg per dose

Explanation:

3. Determine the amount of energy required to heat 3.50 moles of water vapor from 107°C to 13
4. How much energy is needed to heat a 27.50 grams of H₂O (s) at -20°C to H₂O (l) at 0°C?

Answers

Answer: See attached image

Explanation:

Chem help!! I know the answer is 8 but why?

Answers

Answer:

Explanation:

It's simple train track method of cancelling out units.

If we read the balanced equation as this: 2 dm3 of octane reacts to form 16 dm3 of CO2 then how much CO2 is produced by 1 dm3?

Would you agree that it would be half of 16?

[tex]\frac{2dm3}{16 CO2} = \frac{1dm3}{?CO2}[/tex]

Cross multiply and solve for ?, you get 8.

Students conducting a lab investigation are given two unknown tubes of colorless aqueous solutions. The students are told that one tube is a salt solution and the other is a sucrose solution. How can the students determine which of the solutions contains salt?

Answers

The students can determine which of the solutions contains salt through the conductive tester.

What is an ionic solution?

It is a solution containing ions are atoms that have gained or lost electrons to acquire a positive (lost electron) or negative (gained electron) charge.

An ionic solution would be able to conduct electricity whereas the covalent would not so if you have a conductivity tester which is available in most labs.

The students can distinguish between the 2 solutions through the conductive tester.

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What is the nuclear composition of uranium-235?
92 electrons + 143 protons
92 protons + 143 electrons
O 143 protons + 92 neutrons
O 92 protons + 143 neutrons

Answers

Answer:

The nuclear composition of uranium-235 is 92 protons and 143 neutrons.

What is ester?
help me pleaseee​

Answers

Answer:

an organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group. Many naturally occurring fats and essential oils are esters of fatty acids

Explanation:

ester, any of a class of organic compounds that react with water to produce alcohols and organic or inorganic acids. Esters derived from carboxylic acids are the most common. The term ester was introduced in the first half of the 19th century by German chemist Leopold Gmelin

Which of the following, in the solid state, would be an example of a metallic crystal?
1. carbon dioxide
2. barium fluoride
3. diamond
4. iron
5. None of these

Answers

Iron because it is formed by metal atoms.

A waste treatment settling tank treats an industrial waste inflow (QIN) of 0.2 m3/s with a suspended particulate concentration (CIN) of 2000 mg/L. The settling reactor has a sludge flow (SS) to a centrifuge of 360 grams/s, and a flow (QS) of 0.050 m3/s. The centrifuge has a return flow (QR) to the settling tank of 0.048 m3/s and a concentration (CR) of 408 mg/L.
1. What is the effluent flow (QE, in m3/s), concentration (CE, in mg/L) and particulate mass flow (SE, in grams/s)
2. What is the concentration (CDW) and particulate mass flow rate (SDW) for the dewatered sludge?

Answers

The effluent flow in concentration and particulate mass flow will be 0.198m³/sec.

How to calculate the effluent flow?

It should be noted that the total inflow will be equal to the total outflow. Therefore,

0.2 + 0.048 = 0.05 + We

Collect like terms

Qe = 0.2 + 0.048 - 0.05

Qe = 0.198m³/sec

The concentration will be:

= (360 × 1000)/0.05

= 7200mg/L.

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The same elements may combine in different ratios to form the same compound?

Answers

Ans:

It is also known as law of multiple proportion. It states that if two elements form more than one compound between them then the ratios of the masses of the second element which combine with the fixed mass of first element will be ratios of small whole numbers.


Hope it helps!

Answer:

law of multiple proportion

Explanation:

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Somone explain the Korean war. How it began and MacAurthur and aTrumans differences on how to deal with the war. 30POINTS!!!! Which statement best expresses the theme of "Wherefore Art Thou Romeo?A: A friends genuine help can actually cause one pain.B: One must get along with everyone in order to succeed.C: Sometimes, ones weakness can become ones strength.D: In order to succeed, one must have an enemy to focus on. A121314TIME REMAINING01:48:01What will be the result of substituting 2 for x in both expressions below?3x+4x+63x-2O Both expressions equal 5 when substituting 2 for x because the expressions are equivalent.O Both expressions equal 6 when substituting 2 for x because the expressions are equivalent.o One expression equals 5 when substituting 2 for x, and the other equal2 because the expressions are notequivalento One expression equals 6 when substituting 2 for x, and the other equals 2 because the expressions are notequivalentMark this and returnSave and ExitNextSubmit Find the area of the WrangleThe area of the triangle in square units 8 units 10 units 5 plot for somebodys son by richard pindell.please help me, no wrong answer allow. twenty marks will be reaward who answer it. cat litter, pesticides, lead paintpolyester, vaccines, sodadog food, cooked shrimp, electronicsmicrowave ovens, coffee, detergent i need some help with this!! i want my grade to go up :) Government entities may pressure upstream Internet service providers to _____. a. track and monitor the Internet activities of individuals b. accept defamation or copyright infringement claims c. immediately take down particular hosted material d. deregister domains because of their hosted content five positive impacts of social media networks on an individual rights to privacy Which of the following describes the impact of the Cold War in America?The United States was often divided over the ideas of communism.It was decided that nuclear weapons should not be used for war.The relationship between the American people and the government was strong.People feared communism and those who supported it. This is about a software called GIMP In 35 sentences, describe how the following people broke barriers by assuming positions of power: Colin Powell, Condoleezza Rice, and Hillary Clinton. nth term of -4 ,1, 12 ,29, 52 The shape is composed of squares and quarter circles. What is the perimeter? Please help me please help me The proportion of all US adults who eat popcorn when they go to the movie theater is p = 0.87. A random sample of 20 US adults was selected and asked if they eat popcorn when they go to the movie theater. Which of the following is the shape of the sampling distribution of p hat ?The sampling distribution of p hat is approximately Normal because n p = 17.4 greater-than 10.Because n (1 minus p) = 20 (1 minus 0.87) = 2.6 less-than 10, the sampling distribution of p hat is not approximately Normal. The sampling distribution of p hat is skewed right and centered at 0.87.Because n (1 minus p) = 20 (1 minus 0.87) = 2.6 less-than 10 , the sampling distribution of p hat is not approximately Normal. Because p = 0.87 is closer to 1 than 0, the sampling distribution of p hat is skewed to the left.Because n (1 minus p) = 20 (1 minus 0.87) = 2.6 less-than 10, the sampling distribution of p hat is not approximately Normal. Because p = 0.87 is closer to 1 than 0, the sampling distribution of p hat is skewed to the right. find the value of 6.4(8+15) Describe the biological community and an ecosystem to which you belong. At 27.0 C a gas has a pressure of 6.00 atm. What will the pressure be at 150.0 C? ....Brainliest given...