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kotykmax [81]
3 years ago
15

Which factor affects a solute's solubility rather than its rate of solution? A. Nature of the solvent B. Size of solute particle

s c. Amount of solute particles D. Shaking of the solvent​
Chemistry
2 answers:
nikitadnepr [17]3 years ago
7 0

i took the test and it is a

Explanation:

because

Sever21 [200]3 years ago
3 0

Answer:

its a

Explanation:

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All substances taking part in a certain interaction are shown below: Butane is written followed by an addition sign followed by
OverLord2011 [107]
<span>The Law of Conservation of Mass simply states that the total amount of mass should not change in a chemical reaction that is isolated (no other objects can enter the reaction). The total mass of the reactants must be equal to the total mass of the products. Thus, t</span>he correct estimate of the amount of oxygen used in the interaction is the difference between 133 g and 29 g.
3 0
3 years ago
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Which statement correctly compares barium nitrate (Ba(NO3)2) and scandium nitrate (Sc(NO3)3)?
3241004551 [841]
<h2>D. They contain the same number of elements.</h2>

Explanation:

The formula (Ba(NO3)2) contains 9 atoms.  

1 Barium atom (Ba)

Contains 2 NO3 groups -

    2 Nitrogen atoms (N) x 2

    6 Oxygen atoms (O3) x 2

3 Elements in total

The formula (Sc(NO3)3) contains 13 atoms.

1 Scandium atom (Sc)

Contains 3 NO3 groups -

    3 Nitrogen atoms (N) x 3

    9 Oxygen atoms (O3) x 3

3 Elements in total

They do not have the same number of atoms.

They do not have the same number of oxygen atoms.

They do not contain the same number of NO3 groups.

They do have the same number of elements.

8 0
4 years ago
How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction SiO2(g) + 3C(s) → Si
defon

Answer:

31.24 kJ

Explanation:

  • SiO₂(g) + 3C(s) → SiC(s) + 2CO(g)        ΔH° = 624.7 kJ/mol

First we <u>convert 3.00 grams of SiO₂ to moles</u>, using its <em>molar mass</em>:

  • 3.00 g SiO₂ ÷ 60.08 g/mol = 0.05 mol

Now we <u>calculate the heat absorbed</u>, using the <em>given ΔH°</em>:

If the complete reaction of 1 mol of SiO₂ absorbs 624.7 kJ, then with 0.05 mol:

  • 0.05 mol * 624.7 kJ/mol = 31.24 kJ of heat would be absorbed.
6 0
3 years ago
What is the pH of a buffer solution when the concentrations of both buffer components (the weak acid and its conjugate base) are
Ksivusya [100]

Explanation:

Considering the Henderson- Hasselbalch equation for the calculation of the pH of the buffer solution as:

pH=pKa+log[base]/[acid]

When the the concentrations of both buffer components (the weak acid and its conjugate base) are equal:

[base] = [acid]

So, pH=pKa+log1 = pKa

<u>pH is equal to pKa of weak acid of buffer system .</u>

When buffer contains more of weak acid than conjugate base:

[base] < [acid]

log [base]/[acid] = Negative,

So,

<u>When more of acid component is present, the pH is more acidic. (It decreases)</u>

When buffer contains more of conjugate base than weak acid:

[base] > [acid]

log [base]/[acid] = Positive,

So,

<u>When more of acid component is present, the pH is more acidic. (It increases)</u>

8 0
3 years ago
Will award 60 points!! Is the answer D??
Nimfa-mama [501]

From the ideal gas equation, PV = nRT, as volume increases, pressure decreases.

Given that number of moles and number of moles are held constant so;

PV = nRT

but;

PV = n^{0} R T^{0}

The equation reduces to;

PV = R

This means that pressure and volume are inversely proportional. As volume increases, pressure decreases.

Learn more:brainly.com/question/1190311

5 0
2 years ago
Read 2 more answers
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