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Alex73 [517]
4 years ago
13

Which on these scenarios involve a reaction is at equilibrium. A. Reaction is producing more products than reactances B. The rea

ctions producing more reactants than products. C. The amount of products and reactants is changing. D the amount of products and reactants is constant
Chemistry
2 answers:
Harman [31]4 years ago
5 0

Answer:

Explanation: D. the amount of products and reactants is constant

The reactions which do not go on completion and in which the reactant forms product and the products goes back to the reactants simultaneously are known as equilibrium reactions.

Equilibrium state is the state when reactants and products are present but the concentration of reactants and products does not change with time.

For a chemical equilibrium reaction, equilibrium state is achieved when the rate of forward reaction becomes equals to rate of the backward reaction.

Thus the amount of products and reactants is constant for a reaction at equilibrium.

Irina-Kira [14]4 years ago
3 0
The answer is D. hope this helps
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The diagram shows four different locations in an atom. A shaded circle is shown, labeled nucleus. Two small points labeled one a
pshichka [43]
<h2>Answer : 2</h2><h3>Explanation :</h3>

The shaded area labeled as 2 is likely to have subatomic particle that are constantly in motion.

The subatomic particles of the atom that are constantly in motion are called as electrons. The probability of finding electrons in the region shaded and labeled as 2. Electrons are in continuous motion in orbits around the nucleus of the atom. Therefore, the answer is 2.

3 0
4 years ago
Read 2 more answers
5.22*10^-3 = ?*10^-2
Andrew [12]

x=0.522 is the answer

x times :10^-2=5.22 times 10^{-3}\

simplify 10^-3: 5.22/1000= x times 10^-2 = 5.22/1000

simplify 10^-2 1/100 = x 1/100=5.22/1000

Multiply both sides by 100 100x 1/100 = 5.22x100/1000

simplify 0.522 sorry I took so long I did the best i could to explain it

Hope this helps!

6 0
3 years ago
The lab procedure mentions that not all of the oxone may dissolve after being added to the water because the water may be satura
ollegr [7]

Answer:

The answer is (C) There are more solute molecules than water molecules.

Explanation:

A saturated solution is one in which no more solute can be dissolved or disintegrated into the solvent. When or if the ozone  stops being dissolved in the water, it implies that the water has already taken on more ozone molecules than it can contain, meaning there are more solute molecules (ozone molecules) than there are solvent molecules (water molecules).

3 0
3 years ago
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If a sample has a mass of 1.25 x 102 g and a volume of 51 mL, what is its density?
Dafna11 [192]

Answer:

<h2>2.45 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

d =  \frac{m}{v}  \\

We have

d =  \frac{1.25 \times  {10}^{2} }{51}  \\  = 2.45098..

We have the final answer as

<h3>2.45 g/mL</h3>

Hope this helps you

3 0
3 years ago
3. Given the following equation:
miskamm [114]

Answer:

4.767 grams of KCl are produced from 2.50 g of K and excess Cl2

Explanation:

The balanced equation is

2 K+ Cl2 --->2 KCI

Here the limiting agent is K. Hence, the amount of KCl will be calculated as per the mass of 2.50 gram of K

Mass of one atom/mole of potassium is 39.098 grams

Number of moles is 2.5 grams = \frac{2.5}{39.098} = 0.064

So, 2 moles of K produces 2 moles of KCL

0.064 moles of K will produces 0.064 moles of KCl

Mass of one molecule of KCl is 74.5513 g/mol

Mass of 0.064 moles of KCl is 4.767 grams

4 0
3 years ago
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