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3 years ago

8

In a pressure cooker, a lid is screwed tightly onto a pot so that the air pressure in the pot is increased. What effect, if any,

will this have on the boiling point of water in the pot?

2 answers:

Andreyy893 years ago

8 0

It will increase the temp

Kay [80]3 years ago

5 0

Answer: the boiling pint will increase

Explanation:

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a block of ice accelerates and two meters per second dies has mass of 2 kilograms what is the size force it is acting on it

Dennis_Churaev [7]

F=ma
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3 years ago

All endothermic reactions absorb heat and make the surroundings warm

svet-max [94.6K]

Answer:

b: false

Explanation:

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4 years ago

In order to prevent injury in a car crash, it is recommended that you _______. Increase the initial velocity of the collision.

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Increase the change in momentum of the collision

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3 years ago

A sample of a gas has a volume of 639 cm3 when the pressure is 75.9 kPa. What is the volume of the gas when the pressure is incr

const2013 [10]

Answer:

$388 cm^3$

Explanation:

For this problem, we can use Boyle's law, which states that for a gas at constant temperature, the product between pressure and volume remains constant:

$pV=const.$

which can also be rewritten as

$p_1 V_1 = p_2 V_2$

In our case, we have:

$p_1 = 75.9 kPa$ is the initial pressure

$V_1 = 639 cm^3$ is the initial volume

$p_2 = 125 kPa$ is the final pressure

Solving for V2, we find the final volume:

$v_2 = \frac{p_1 V_1}{p_2}=\frac{(75.9)(639)}{125}=388 cm^3$

7 0

4 years ago