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MariettaO [177]
2 years ago
5

Help " anyone" plz ....

Chemistry
1 answer:
boyakko [2]2 years ago
5 0

Answer:

letter A. i hope this is correct answer

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As the temperature of a liquid increases, its viscosity _____. increases stays the same decreases
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As the temperature of a liquid increases, its viscosity decreases.
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The diagram illustrates the water cycle.
MissTica

Answer:

Precipitation

Explanation:

In the water cycle, water experiences different phase changes from one state to another in nature.

The cycling affords water to in solid, liquid and the vapor form.

From the cycle show, W represents precipitation.

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NaOH(aq) is transferred into a test tube. CaCl2(aq) is added to the tube. What is the formula for the precipitate (if any) that
Ilya [14]

Answer:

2NaOH (aq) + CaCl2 (aq) -> 2NaCl(aq) + Ca(OH)2(s)

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Explanation:

First, we do the double replacement reaction to determine our chemical equation between the reactants and products. Once we have our products, with a solubility chart (I added one below) we can determine which of the products is soluble or insoluble.

In this case NaCl is soluble or aqueous (meaning it can dissolve in water) and Ca(OH)2 is insoluble (meaning that when the reactions takes place, these two will form a solid/precipitate)

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2 years ago
State whether it would be worthwhile to investigate finding a catalyst to use in this reaction under standard conditions and exp
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Yes, it will be worthwhile to investigate finding a catalyst to use in this reaction under standard conditions because it is negative.

<h3>What is a Catalyst?</h3>

This is a substance which speeds up the rate of a chemical reaction by lowering the activation energy.

ΔG being negative indicates a a slow reaction which is why a catalyst under standard conditions should be used.

Read more about Catalyst here brainly.com/question/12507566

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The study of the composition of matter is?
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Chemistry. More specifically, analytical chemistry.

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