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musickatia [10]
3 years ago
12

Which statements describe how heat flows in foil?

Chemistry
2 answers:
LenKa [72]3 years ago
8 0

Answer: c

Explanation:

Mademuasel [1]3 years ago
5 0

Answer: ADF

Explanation: On my moms it’s right

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What are the controlled variables for water of crystallization experiment?
yarga [219]

Given what we know, we can confirm that as with any experiment, the control variable will be the one that through each trial of the experiment, no matter how many times it is performed, stays constant.

<h3>What is a controlled variable?</h3>
  • A variable that remains constant through an experiment.
  • They are used to compare results to the normal condition.
  • They are also used to isolate the changes to one factor at a time and thus know its exact effects on the outcome.
  • This increases the accuracy of the data and the subsequent conclusion.

Therefore, we can confirm that if a variable stays constant through each phase and trial of an experiment, it is considered to be a controlled variable and is useful in order to increase the accuracy of the conclusion.

To learn more about control variables visit:

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7 0
2 years ago
Predict how the addition of a catalyst would affect the rate of the reaction below, and explain your prediction H2 (g) + I2 (g)
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A catalyst is a chemical substance that hastens the chemical reaction. This does not participates in the creating the product(s) but allows it to be formed easily. With this, it is now known that the rate of the reaction becomes relatively higher compared to the uncatalyzed reactions.

Therefore, the answer to this item is the rate of the reaction becomes faster. 
4 0
3 years ago
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PLEASE ANSWER ASAP. Which of the following represents the chemical reaction of hydrobromic acid and chlorine to produce hydrochl
Anvisha [2.4K]

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Explanation:

3 0
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Which period does this atom belong to?
GrogVix [38]
I think it’s to long to fit in a period??
7 0
2 years ago
The percent composition of calcium is ?
DochEvi [55]

Answer: 40.1%

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