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Ymorist [56]
3 years ago
7

How do clouds affect solar energy (radiation)?

Chemistry
1 answer:
kvv77 [185]3 years ago
7 0
They absorb the radiation and then send it back down to Earth. The answer is absorb radiation
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Flammable materials like alcohol should never be dispensed or used near True or False
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near what like open flames? if so false unless it clarifies the solution requires alcohol then its a no go

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3 years ago
How many grams of a 26.9% sugar solution contain 49.0 g of sugar?
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Answer:

182.156g

Explanation:

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What is the percent composition of carbon in heptane c7h16
Gnom [1K]

Answer: the percent composition of carbon in heptane is 83.9%

Explanation:

<u>1) Atomic masses of the atoms:</u>

  • C: 12.01 g/mol
  • H: 1.008 g/mol

<u>2) Molar mass of heptane:</u>

  • C₇H₁₆: 7 × 12.01 g/mol + 16×1.008 g/mol = 100.2 g/mol

<u>3) Mass of carbon in one mole of heptane:</u>

  • C₇: 7 × 12.01 g/mol = 84.07 g/mol

<u>3) Percent composition of carbon:</u>

  • % = (mass in grams of C) / (mass in grams of C₇H₁₆) × 100 =

           = (84.07 g/ 100.2 g) × 100 = 83.9% ← answer

8 0
3 years ago
Which of the following is the correct definition of chemical energy?
Anna11 [10]

Answer:

A

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What evidence supports Bohr’s claim that an electron is found only in specific energy levels around the nucleus of the atom. And
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