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aalyn [17]
3 years ago
6

Which is the advantage of water’s heat capacity? A. it protects aquatic life from changes in air temperature B. it supports prec

ipitation C. it keeps water flowing D. it keeps everybody warm
Chemistry
2 answers:
OLEGan [10]3 years ago
8 0

Answer:

A. it protects aquatic life from changes in air temperature

Explanation:

Just took this test

astraxan [27]3 years ago
4 0

Answer:

A is correct

Hope this helps and mark me as brainliest

Explanation:

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Answer:

D It affects the heart

Explanation:

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Provide a definition of a closed system.
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Answer:

A closed system is a physical system that does not allow transfer of matter in or out of the system, though, in different contexts, such as physics, chemistry or engineering, the transfer of energy is or is not allowed.

Explanation:

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Read 2 more answers
For each chemical equation below, write the number of product molecules that will form from the reaction.
Gekata [30.6K]

Answer:

a. 5 moles of CO₂

b. 2 moles of NaCl

c. 3 moles of H₂CO₃

Explanation:

1a. Carbon reacts with oxygen to produce carbon dioxide according to equation below:

C + O₂ ----> CO₂

From the equation of reaction, one mole of carbon reacts with one mole of oxygen to produce one mole of carbon dioxide.

In the given reaction, therefore, 5 moles of carbon will only react with 5 moles of oxygen to produce 5 moles of carbon dioxide. Oxygen is in excess, carbon is the limiting reactant and 5 moles of carbon dioxide are produced. The equation is given below :

5 C + 6 O₂ ---> 5 CO₂

1b. Sodium reacts with chlorine to produce sodium chloride according to the equation below:

2 Na + Cl₂ ---> NaCl

From the equation of reaction, 2 moles of sodium reacts with one mole of chlorine to produce one mole of sodium chloride.

In the given reaction, therefore, 4 moles of sodium will react with only 2 moles of chlorine to produce 2 moles of sodium chloride. Chlorine is in excess, sodium is the limiting reactant and 2 moles of sodium chloride are produced. The equation is given as follows: 4 Na + 8 Cl₂ ---> 2 NaCl

1c. Carbon dioxide reacts with water to produce carbonic acid according to the equation: CO₂ + H₂O ---> H₂CO₃

From the equation of reaction one mole of carbon dioxide reacts with one mole of water to produce one mole of carbonic acid.

In the given reaction, therefore, 3 moles of carbon dioxide will react with only 3 moles of water to produce 3 moles of carbonic acid. Water is in excess, carbon dioxide is the limiting reactant and 3 moles of carbonic acid are produced. The equation is given as follows: 3 CO₂ + 4 H₂O ---> 3 H₂CO₃

4 0
3 years ago
Which of these facts best illustrates why regulation of alcohol consumption is necessary
exis [7]

So that people don’t break laws or drive under the influence.

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2. A student mixes the above indicator with a sample of battery acid, an extremely strong acid. What
Nesterboy [21]

should be clear acid if im not mistaken

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3 years ago
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