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NeX [460]
3 years ago
13

An atom that gains an electron is called a(n) __________.

Chemistry
1 answer:
Liula [17]3 years ago
5 0
The answer is c. anion
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Mg(OH)2

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Magnesium hydroxide is the base since it has hydroxyl ions.

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Which is the goal of science to develop new technology to apply information to test hypothesis to expand knowledge
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Show the calculation of the mass (grams) of a 14.5 liter gas sample with a molecular weight of 82 when collected at 29°C and 740
mote1985 [20]

Answer:

In this conditions, the gaswll weight 46.74 g.

Explanation:

The idal gas law states that:

PV = nRT,

P: pressure = 740 mmHg = 0.97 atm

V: volume = 14.5 L

n: number of moles

R: gas constant =0.08205 L.atm/mol.K

T: temperature = 29°C = 302.15K

n = \frac{PV}{RT} \\n = \frac{0.97x14.5}{0.082 x 302.15 } \\n = 0.57 mol

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0.57 mol gas __ x

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