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3 years ago

Newton’s second law of motion states that force equals mass _______ acceleration.

2 answers:

4 0

That force equals mass of that object times it's acceleration.

The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object.

Scilla [17]3 years ago

3 0

The formula for calculating force is mass multiplied by acceleration.
So the answer is mass times acceleration.
(mass x acceleration)

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A gas mixture contains 3.00 atm of H2 and 1.00 atm of O2 in a 1.00 L vessel at 400K. If the mixture burns to form water while th

sleet_krkn [62]

Answer:

$p_{H_2O}=2.00atm$

Explanation:

Hello!

In this case, according to the following chemical reaction:

$2H_2+O_2\rightarrow 2H_2O$

It means that we need to compute the moles of hydrogen and oxygen that are reacting, via the ideal gas equation as we know the volume, pressure and temperature:

$n_{H_2}=\frac{3.00atm*1.00L}{0.08206\frac{atm*L}{mol*K}*400K}=0.0914molH_2 \\\\n_{O_2}=\frac{1.00atm*1.00L}{0.08206\frac{atm*L}{mol*K}*400K}=0.0305molH_2$

Thus, the yielded moles of water are computed by firstly identifying the limiting reactant:

$n_{H_2O}^{by\ H_2} = 0.0914molH_2*\frac{2molH_2O}{2molH_2} =0.0914molH_2O\\\\n_{H_2O}^{by\ O_2} = 0.0305molO_2*\frac{2molH_2O}{1molO_2} =0.0609molH_2O$

Thus, the fewest moles of water are 0.0609 mol so the limiting reactant is oxygen; in such a way, by using the ideal gas equation once again, we compute the pressure of water:

$p_{H_2O}=\frac{0.0609molH_2O*0.08206\frac{atm*L}{mol*K}*400K}{1.00L}\\\\ p_{H_2O}=2.00atm$

Best regards!

7 0

2 years ago

How toxic is uranium

Serhud [2]

Answer:

Inhaling large concentrations of uranium can cause lung cancer from the exposure to alpha particles. Uranium is also a toxic chemical, meaning that ingestion of uranium can cause kidney damage from its chemical properties much sooner than its radioactive properties would cause cancers of the bone or liver.

Explanation:

6 0

2 years ago

Read 2 more answers

How to write a compound that contains one aluminum atom for every three chlorine atoms?

devlian [24]

AlCl₃
.............
:)

4 0

2 years ago

A cube is 4 cm on each side. What is its volume? Answer: 64cm^3

Anit [1.1K]

Answer:

yeah

Explanation:

5 0

2 years ago

Is water going from liquid to solid a physical or chemical change and why

Kipish [7]

It would be a physical change. It’s still water just in a different physical form. If it was a chemical change, it would no longer be water. For example, when the ice melts back into water...it’s still water.

6 0

2 years ago