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Margarita [4]
3 years ago
9

What element is most likely to form a diatomic molecule?

Chemistry
2 answers:
Harman [31]3 years ago
5 0
Bromine (Br) is the only element listed that is a diatomic element. I believe that Bromine is going to be your answer.
kogti [31]3 years ago
3 0
The answer would be Br because bromine is the only diatomic atom listed from those options
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What is the mass of an atom with 15 neutrons and 13 electrons ?
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A gas has a volume of 490. mL at a temperature of -35.0 degrees C. What volume would the gas occupy at 42.0 degrees Celsius? Ple
miskamm [114]

Answer:

648.5 mL

Explanation:

Here we will assume that the pressure of the gas is constant, since it is not given or specified.

Therefore, we can use Charle's law, which states that:

"For an ideal gas kept at constant pressure, the volume of the gas is proportional to its absolute temperature"

Mathematically:

\frac{V}{T}=const.

where

V is the volume of the gas

T is its absolute temperature

The equation can be rewritten as

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where in this problem we have:

V_1=490 mL is the initial volume of the gas

T_1=-35.0^{\circ} + 273 = 238 K is the initial temperature

T_2=42.0^{\circ}+273=315 K is the final temperature

Solving for V2, we find the final volume of the gas:

V_2=\frac{V_1 T_2}{T_1}=\frac{(490)(315)}{238}=648.5 mL

8 0
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Which of these events leaves small pieces of rocks in new places? (4 points)
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