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Serggg [28]
3 years ago
14

HELP SCIENCE TEST ON ATOMS FIRST TO ANSWER GETS BRAINLIEST. DUE IN A COUPLE MIN.​

Chemistry
2 answers:
dezoksy [38]3 years ago
4 0

Answer:

Protons=7, Neutrons=6, Electrons=6

Explanation:

Hope this helps!!

Anika [276]3 years ago
3 0

Answer:

B

Explanation:

If an atom has more electrons than protons its negative

if  eqaul its neutral

if less its positive

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3 years ago
Based on the information in the graph, which statement best applies to a gas?
Genrish500 [490]
I think the right answer would be its particles have the most astounding normal dynamic vitality. Gas particles have a tendency to have the most astounding active vitality among the conditions of matter. They move in arbitrary movement. Trust this answers the question. Have a decent day.
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kiruha [24]

Answer:

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Explanation:

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7 0
3 years ago
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a sample of hydrogen gas (h2) is mixed with water vapor (h2o (g)). the make sure has a total pressure of 811 torr, and the water
Alborosie

Answer:

n=0.430molH_2

Explanation:

Hello!

In this case, considering the partial Dalton's law of partial pressures, we can notice that the total pressure equals the pressure of steam and the pressure of hydrogen, which can be determined as shown below:

p_T=p_H+p_w\\\\p_H=811torr-12torr=799torr*\frac{1atm}{760torr}\\\\p_H=1.05atm

Thus, by using the ideal gas law, we can compute the moles of hydrogen as shown below:

PV=nRT\\\\n= \frac{PV}{RT}=\frac{1.05atm*10.0L}{0.082\frac{atm*L}{mol*K}*298K}\\\\n=0.430molH_2

Best regards!

6 0
3 years ago
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Since you are pushing the box with the same force covering a greater distance with the force.
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