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Yanka [14]
3 years ago
15

The calorimeter pictured below shows the final temperature after calcium chloride was added to water. (The initial temperature w

as 25°C.) Which of the following best describes what occurred within the calorimeter?
A. Only Bond forming occurred

B. The bonds that formed were the most part stronger than the bonds that were broken

C. More energy was absorbed in breaking bonds than was released when new bonds form

D. As the powder dissolved, the breaking of bonds released energy
Chemistry
2 answers:
creativ13 [48]3 years ago
7 0

Answer:

The answer is acctualy B

Explanation:

I did the gizmo

max2010maxim [7]3 years ago
3 0
It’s probably D or c
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The turnover number is defined as the maximum number of substrate molecules that can be converted into product molecules per uni
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Answer:

Explanation:

turn over number = R max / [E]t   = K2

From given , R max = 249 * 10 ^ -6 mol. L^-1

T [E]t = 2.23 n mol. L^-1

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Putting values in above equation,

=          111.65 * 10^3           S^-1

Turn over number is maximum no of substrate molecule that can be converted into product molecules for unit time by enzyme molecule.

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Explanation: Hope it helps

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Potassium chlorate decomposes into potassium chloride and oxygen gas. How many grams of oxygen are produced when 1.06 grams of p
kifflom [539]

The amount of oxygen that are produced when 1.06 grams of potassium chlorate decompose completely is 0.64 grams.

<h3>What is the relation between mass & moles?</h3>

Relation between the mass and moles of any substance will be represented as:

  • n = W/M, where
  • W = given mass
  • M = molar mass

Moles of potassium chlorate = 1.66g / 122.5g/mol = 0.0135mole

Given chemical reaction is:

2KClO₃ → 2KCl + 3O₂

From the stoichiometry of the reaction, it is clear that:

2 moles of KClO₃ = produces 3 moles of O₂

0.0135 moles of KClO₃ = produces (3/2)(0.0135)=0.02 moles of O₂

Mass of oxygen = (0.02mol)(32g/mol) = 0.64 g

Hence produced mass of oxygen is 0.64 grams.

To now more about mass & moles, visit the below link:
brainly.com/question/18983376

#SPJ1

5 0
2 years ago
997.62 mol = 56.367 L<br> =
Galina-37 [17]
14.626 Gallons because yeah dhhsjsjshshsh
4 0
3 years ago
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