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2 years ago

When a gas is heated,

Chemistry

1 answer:

Nuetrik [128]2 years ago

6 0

Answer: when gas is heated ,they gain more kinetic energy causing them to move faster.

Explanation: so as they gain kinetic energy they hit the walls of the container with more force thus causing pressure to increase

HOPE THIS HELPSS comment if u need more explanation

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The difference in elevation between the highest and lowest contour lines on a topographical map is called:

Elena L [17]

I think the answer is D

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3 years ago

Why does the same side of the moon always face earth? A. The rotational period of earth is the same as that of the moon B. The r

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Answer: A. the rotational period of the earth is the same as that of the moon

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3 years ago

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Which number represents an acidic pH, 4 or 9?

Leno4ka [110]

Answer:

pH 4 represents an acidic

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3 years ago

A 1.0 L volume of gas at 27.0°C exerts a pressure of 85.5 K PA what will the pressure be at 127°C assume constant volume

Marianna [84]

Answer:

114 kPa

Explanation:

Using Gay-Lussac's law you get the equation $\frac{P1}{T1} x \frac{P2}{T2}$ and converting celcius you get the final equation of $\frac{85.5}{27+273} x \frac{P2}{127+273}$ . After dividing 85.5 by 27+273(300) you get 0.285 and then you multiply 0.285 by 127+273 (400). You finally get 114 kPa

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2 years ago

This diagram shows the forces acting on a car. The center dot represents the car, and the arrows represent the forces acting on

Mariulka [41]

Answer : The correct option is B- Towards the left.

Solution : Given,

Force on car in upward direction, $F_1$ = 6000 N

Force on car in downward direction, $F_2$ = 6000 N

Force on car in right direction, $F_3$ = 5000 N

Force on car in left direction, $F_4$ = 6000 N

Force : Force is equal to the mass multiplied by the acceleration. The force is directly proportional to the acceleration.

Formula : F = m × a

where, F is force, m is mass and a is acceleration.

From the given diagram we conclude that the $F_1$ and $F_2$ are in opposite direction and the force acting on car are same. So, their net force is zero.

And in case of $F_3$ and $F_4$ , the net force will not be zero because force acting on car are different. The car will accelerate towards left direction because $F_4$ is higher than the $F_3$ .

So, the car will accelerate towards left direction.

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2 years ago