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3 years ago

Which of these is evidence that an unbalanced force is acting on an object?

Chemistry

1 answer:

Anna11 [10]3 years ago

5 0

Answer:

The motion of the object is changing

Explanation:

Objects will only change their motion (direction, speed) if there is an unbalanced force of some kind acting on them. Balanced forces result in no change in the object's state of motion.

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maria [59]

PV=nRT

P = 85.0 x 10^3 Pa

T = 273 + 20 = 293 K

n = 2.0 moles

R = 8.314 m3. pa / mol .K

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3 years ago

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Salts of Transition elements.

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3 years ago

QUESTION 8

pashok25 [27]

<span>m1v1=m2v2
m2=(m1v1)/v2
Where m is the molarities and v is the volumes
m2=(0.500*25.0)/48.5
m2=12.5/48.5
m2=0.256 M
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3 years ago

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The gases listed are at standard temperature and pressure: · 1 mol of CO2 gas · 1 mol of N2 gas · 2 mol of O2 gas Which statemen

Elena L [17]

Answer : The volume of 1 mole of $CO_{2}$ and $N_{2}$ gases are the same.

Solution: Given,

Moles of $CO_{2}$ = 1 mole

Moles of $N_{2}$ = 1 mole

Moles of $O_{2}$ = 2 mole

Formula used for ideal gas is :

P V = n R T

According to the question, the gases are at standard temperature and pressure. So, the volume of gases only depends on the number of moles. This means that the higher the number of moles, higher will be the volume of gas.

The moles of $O_{2}$ are more than the moles of $CO_{2}$ and $N_{2}$ . So, the volume of $O_{2}$ will be more.

And the moles of $CO_{2}$ and $N_{2}$ are equal. Therefore, their volumes are also equal.

Therefore, the best option is the volume of 1 mole of $CO_{2}$ and $N_{2}$ gases are the same.

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3 years ago

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