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True [87]
3 years ago
5

Pls help me brainliest, rattings etc its 2 questions and I am very confused! 8 pts!

Chemistry
2 answers:
xenn [34]3 years ago
8 0

Question 10 is the decomposition of water. The left side is 2 water molecules, while the right side is two hydrogen molecules and 2 oxygen molecules.

Question 11 consists of calculating the amounts of atoms on each side. Since the left side has 6 hydrogen atoms, the right side must as well. On the right side, hydrogen has a 2. So divide 6 by 2 to find the coefficient (3). You can confirm the answer by confirming the oxygen is the same on both sides (it is).

Serjik [45]3 years ago
6 0
Ouestion no 10 answer is first and 11 is 3
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Look at the following enthalpy diagram. Select all that apply.
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Answer:

Option 2 and 4 are correct

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This is an addition reaction in which two reactants add up to form the product.

Very less activation energy is required as the reactants themselves are unstable, possess high energy and hence are very reactive.

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A solution of K2SO4 and KCl is added to a solution of Ba(NO3)2. Which of these compounds will precipitate out of this combined s
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This equation represents a double displacement (replacement) reaction, also called a metathesis reaction, in which the reactant ions exchange places to form new products. The general equation is:

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Learn more about precipitation here : brainly.com/question/1783904

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