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Maru [420]
3 years ago
5

A sample of a compound contains 1.65 × 10²³ atoms of C, 0.552g of H, and 4.39g of O. What is the molecular formula and molar mas

s of the compound?​
Chemistry
1 answer:
Rudiy273 years ago
5 0

Answer:

C1 H2 O16

Explanation:

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Which of the following is the best example of kinetic energy being transformed into potential energy?
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Answer:

The correct answer is A

Explanation:

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3 years ago
A sample of gas at a pressure of 121.59 kPa, a volume of 31 L, and a temperature of 360 K contains how many moles of gas? A. 0.7
natali 33 [55]

Answer:

C. 1.3 mol

Explanation:

PV = nRT

where P is absolute pressure,

V is volume,

n is number of moles,

R is universal gas constant,

and T is absolute temperature.

Given:

P = 121.59 kPa

V = 31 L

T = 360 K

R = 8.3145 L kPa / mol / K

Find: n

n = PV / (RT)

n = (121.59 kPa × 31 L) / (8.3145 L kPa / mol / K × 360 K)

n = (3769.29 L kPa) / (2993.22 L kPa / mol)

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Round to two significant figures, there are 1.3 moles of gas.

4 0
3 years ago
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Ksivusya [100]

Answer:

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Explanation:

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