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Snowcat [4.5K]
3 years ago
14

Using the perioduc table determine the mass of one mole in the element carbon​

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

One mole of carbon atoms has a mass of exactly 12 g. Because magnesium atoms each have twice the mass of carbon atoms (24Mg compared with 12C), one mole of magnesium has a mass of 24 g. In fact, one mole of any element has a mass in grams that is equal to its relative atomic mass. One mole of iron has a mass of 56 g

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Flura [38]

Answer:

eletrical energy

Explanation:

6 0
3 years ago
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A solution with a pH of 6 has a ______ difference in H ion concentration than a solution with pH of 10.
sergij07 [2.7K]

Answer:

9.999x10^-7M

Explanation:

First, let us calculate the concentration of the hydrogen ion in both cases:

For pH 6:

pH = —Log [H+]

6 = —Log [H+]

—6 = Log [H+]

Take the anti-log of —6

[H+] = 1x10^-6M

For pH 10:

pH = —Log [H+]

10 = —Log [H+]

—10 = Log [H+]

Take the anti-log of —10

[H+] = 1x10^-10M

The difference between the [H+] of pH 6 and [H+] of pH 10 is given by:

1x10^-6 — 1x10^-10 = 9.999x10^-7M

4 0
3 years ago
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Lyrx [107]

Answer: factory

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4 0
3 years ago
All airplanes have mass; therefore, what force pulls them toward the ground?
Marina86 [1]

Answer:

B. Gravity

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faust18 [17]

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Explanation:

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2. Decomposition is a type of chemical reaction in which a single reactant gives two or more than two products.

CaCO_3\rightarrow CaO+CO_2

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4. Synthesis is a type of chemical reaction in which two or more than two reactants combine together to give a single product.

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