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Arturiano [62]
3 years ago
6

Carrie went with her mother to the rifle range to practice shooting. Firing the rifle created the force needed to send the bulle

t to the target. But the rifle also recoiled and hit Carrie's shoulder each time she fired. Based on Newton's third law, what do you know about the acceleration of the rifle against Carrie's shoulder?
Chemistry
2 answers:
RSB [31]3 years ago
8 0

When you fire a shotgun, you are going to experience the recoil. And if you don't know how to handle a gun like that, properly your going to get injured.

P.S

The answer is C

nalin [4]3 years ago
4 0
 every action of has an opposite and equal reaction so we know that the rifle moved back toward her shoulder because the bullet that was fired out of gun was moving at a very high speed.
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What is the mass of solid NH4Cl formed when 75.5g of NH3 is mixed with an equal mass of HCl? What is the volume of the gas remai
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Answer:The volume of the remaining gas that is ammonia is 23.85 L.

Explanation:

NH_3(g)+HCl(g)\rightarrow NH_4Cl(s)

Moles of NH_3=\frac{\text{mass of} NH_3}{\text{Molar mass of}NH_3}=\frac{75.5 g}{17.03 g/mol}=4.43 mole

Moles of HCl of gas = \frac{\text{mass of} HCl}{\text{Molar mass of}HCl}=\frac{75.5 g}{36.5 g/mol}=2.06 mol

According to reaction 1 mole of HCl reacts with 1 mol of NH_3 then 2.06 moles of HCl will react with = 2.06 moles of NH_3

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Volume of the gas will be given by Ideal gas equation: PV=nRT

Pressure = 752 mmHg = 752 × 0.0031 atm = 2.33 atm

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V = ? , n = number of moles of ammonia

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V=\frac{2.36 mol\times 0.08206 L atm/K mol\times 287 K}{2.33 atm}=23.85 L

The volume of the remaining gas that is ammonia is 23.85 L.

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