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2 years ago

A mixture of reactants and products for the reaction shown below is at

Chemistry

1 answer:

12345 [234]2 years ago

8 0

Answer:

D. The concentrations of N2, H2, and NH3 would remain the same.

Explanation:

In reversible reactions, equilibrium is a point in which the rate of forward reaction is equal to that of reverse reaction.
Given the equation;

N₂(g)+ 3H₂(g) → 2NH₃(g) is a equilibrium at a constant volume of 1.0 L

Addition of Argon gas which an inert gas dose not affect the equilibrium of the reaction.
This is because the addition of an inert gas at constant volume only causes an increase in the total pressure of the system while the concentrations of the reactants and products remain constant, therefore not affecting the equilibrium.

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How many moles are contained in 2.3 liters of a 1.2M solution?

elena-s [515]

Answer:

$\boxed {\boxed {\sf 2.76 \ mol}}$

Explanation:

Molarity is found by dividing the moles of solute by liters of solution.

$molarity = \frac {moles}{liters}$

We know the molarity is 1.2 M (mol\liter) and there are 2.3 liters of solution. Substitute the known values into the formula.

$1.2 \ mol/liter= \frac {x}{2.3 \ liters}$

Since we are solving for x, we must isolate the variable. It is being divided by 2.3 and the inverse of division is multiplication. Multiply both sides by 2.3 liters.

$2.3 \ liters *1.2 \ mol/liter= \frac {x}{2.3 \ liters}* 2.3 \ liters\\2.3 *1.2 \ mol= x\\2.76 \ mol =x$

In a solution with a molarity of 1.2 and 2.3 liters of solution, there are 2.76 moles.

3 0

3 years ago

Identify the type of molecule shown in the picture

BlackZzzverrR [31]

1) acid
2) ether
3) ester
4) aldehyde
5) ketone
6) amine
7) alcohol

7 0

3 years ago

What is one use of the fluoride ion?

bearhunter [10]

Answer:

Fluoride is commonly used in dentistry to strengthen enamel, which is the outer layer of your teeth. Fluoride helps to prevent cavities. It’s also added in small amounts to public water supplies in the United States and in many other countries. This process is called water fluoridation.

Explanation:

3 0

2 years ago

if theres no coefficient on a element symbol, is the power automatically 1 like it would be if there was no subscript?

Ivenika [448]

Yup go this website for more information http://dwb.unl.edu/calculators/activities/BalEqn.html

5 0

3 years ago

Consider the equation:

Dmitry [639]

Answer:1. $Rate=k[CHCl_3]^1[Cl_2]^\frac{1}{2}$

2. The rate constant (k) for the reaction is $3.50M^\frac{-1}{2}s^{-1}$

Explanation:

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

$rate=k[CHCl_3]^x[Cl_2]^y$