Most nonpolar molecules<span> are water-insoluble, which make them </span>hydrophobic.
Answer:
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Explanation:
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The rate t1 shows the beginning of the reaction, the t2 shows an intermediate point in the reaction, and t3 shows almost the end of the reaction.
<h3>What is the reaction rate?</h3>
Reaction rate refers to how fast or slow a chemical reaction is completed. In other words, the velocity at which reactants transform into products.
<h3>What does T1 show?</h3>
At this point the reaction is just starting, this shows:
- There is a small volume of oxygen (product).
- The reaction rate is increasing.
<h3>What does T2 show?</h3>
At this point, we can conclude:
- There is a higher volume of the product.
- The rate of the reaction has significantly increased since T1.
<h3>What does T3 show?</h3>
At this point, we can conclude:
- Most of the reaction has already occurred because the maximum product volume has been reached.
- It is expected the reaction rate decrease as the reaction is about to finish.
Learn more about chemical reactions in: brainly.com/question/6876669
Molarity HNO3 = 0.85 M
Volume HNO3 = 38.5 mL in liters: 38.5 / 1000 => 0.0385 L
Molarity Ba(OH)2 = ?
Volume Ba(OH)2 = 20.0 mL / 1000 => 0.02 L
Number of moles HNO3 :
n = M x V
n = 0.85 x 0.0385<span> => 0.032725 moles
mole ratio :
</span><span>Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
</span>
1 mole Ba(OH)2 ----------- 2 moles HNO3
( moles Ba(OH)2 ) -------- 0.032725 HNO3
moles Ba(OH)2 = 0.032725 x 1 / 2
moles Ba(OH)2 = 0.032725 / 2
= 0.0163625 moles of Ba(OH)2
Molarity Ba(OH)2 :
M = n / V
M =0.0163<span>625</span> / <span>0.02
= 0.82 M
hope this helps!</span>