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Makovka662 [10]
3 years ago
7

Which do you think will cool down faster in? The teaspoon of water or the cup of water? Why?

Chemistry
1 answer:
777dan777 [17]3 years ago
8 0

Answer:

I think the teaspoon will cool down faster.

Explanation:

The teaspoon of water will cool down faster because it is a smaller amount of water so the entire [drop] will absorb heat energy faster.

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1H2 + 2O2 -> 3Н2O. ​
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1H2 + O2 -> 2Н2O.

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3 years ago
Need Help ASAP- Chemistry
jarptica [38.1K]

Answer:

Q1: 1.67 L.

Q2: Saturated solution.

Explanation:

<u><em>Q1:</em></u>

  • We have the role that the no. of millimoles before dilution is equal to the no. of millimoles after dilution.

<em>(MV) before dilution = (MV) after dilution</em>

M before dilution = 10.0 M, V before dilution = 0.5 L.

M after dilution = 3.0 M, V after dilution = ??? L.

<em>∴ V after dilution = (MV) before dilution / M after dilution</em> = (10.0 M)(0.5 L) / (3.0 M) =<em> 1.67 L.</em>

<em></em>

<em></em>

<u><em>Q2:</em></u>

From the given curve, it is clear that the solubility of sodium nitrate at 35.0°C is 100 g per 100 g of water.

<em>So, the mentioned solution is a saturated solution at this T.</em>

<em></em>

<em>A saturated solution is a chemical solution containing the maximum concentration of a solute dissolved in the solvent.</em>

4 0
3 years ago
when a substance donates a proton during a chemical reaction, that substance can be classified as a(an) ___ ?
Anarel [89]

Answer:

An acid

Explanation:

According to the Arrhenius theory of acids and bases "an Arrhenius acid is a compound that increases the concentration of H+ ions that are present when added to water"

4 0
4 years ago
Draw the electron dot diagram of each the atoms in the molecule.
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Answer:

That’s not very specific

Explanation:

7 0
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What is the name of the opposite stereoisomer of the molecule shown below?
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Answer:

the answer is d hope this helps

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Explanation:

3 0
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