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ololo11 [35]
3 years ago
14

How many kilograms is 9 grams

Chemistry
2 answers:
Lubov Fominskaja [6]3 years ago
7 0

9000 kilograms are in 9 grams

eduard3 years ago
3 0

The answer is 0.009

hope this helps

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The lower the percent of energy required for a machine to perform work, the more energy efficient it is. Please select the best
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Why do different isotopes of an element generally have the same physical and chemical properties?
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The correct answer is because they have same number of protons but different number of neutrons.

Explanation:

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Mass number is affected as they have different number of neutrons, thus effecting their physical properties.

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What is a nonpolar covalent bond?
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<u>Answer:</u> The correct answer is Option D.

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I hope this help

4 0
2 years ago
What is the density of 0.50 grams of gaseous carbon stored under 1.5 atm of pressure at a temperature of -20.0 C?
Colt1911 [192]

Answer: The density of 0.50 grams of gaseous carbon stored under 1.50 atm of pressure at a temperature of -20.0 °C is 0.867 g/L.

Explanation:

  • d = m/V, where d is the density, m is the mass and V is the volume.
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  • To get the volume of a gas, we apply the general gas law PV = nRT

P is the pressure in atm (P = 1.5 atm)

V is the volume in L (V = ??? L)

n is the number of moles in mole, n = m/Atomic mass, n = 0.50/12.0 = 0.416 mole.

R is the general gas constant (R = 0.082 L.atm/mol.K).

T is the temperature in K (T(K) = T(°C) + 273 = -20.0 + 273 = 253 K).

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