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r-ruslan [8.4K]

3 years ago

12

A family decides to use their bicycles to get to the mall on weekends instead of driving a car. How is the family helping the en

vironment? (2 points) HELPPPPP

1 answer:

igor_vitrenko [27]3 years ago

8 0

Answer:

They are releasing less carbon dioxide into the air.

Carbon dioxide is what causes global warming and greenhouse gases, etc.

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What is the pressure of a gas that began at 38 torr, and 500L and is changed to occupy a volume of 677 L?

qwelly [4]

Answer:

P₂ = 28.5 torr

Explanation:

Given data:

Initial pressure = 38 torr

Initial volume = 500 L

Final volume = 677 L

Final pressure = ?

Solution:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = Initial volume

P₂ = Final pressure

V₂ = Final volume

Now we will put the vales in formula.

P₁V₁ = P₂V₂

P₂ = P₁V₁ /V₂

P₂ = 38 torr × 500 L / 667 L

P₂ = 19000 torr. L / 667 L

P₂ = 28.5 torr

6 0

3 years ago

The force of gas particles against the walls of a container is called ______________.

Airida [17]

Answer:

pressure

Explanation:

6 0

3 years ago

What are twoparts of an atom

Leto [7]

The answer is neutrons and protons.

Hope you got it!!

6 0

3 years ago

What pressure is exerted on the bottom of a 0.500-m-wide by 0.900-m-long gas tank that can hold 50.0 kg of gasoline by the weigh

Natasha_Volkova [10]

Answer:

1088.89 Pa

Explanation:

According to the Newton's second law of motion:-

$Force=Mass\times Acceleration$

Mass = 50.0 kg

Acceleration = g = 9.81 m/s²

So,

$Force=50.0\times 9.8\ kgm/s^2$

Force = 490 N

Area of the base = $length\times breath$ = $0.500\times 0.900$ m² = 0.45 m²

<u>Pressure = Force/Area = $\frac{490\ N}{0.45\ m^2}$ = 1088.89 Pa</u>

8 0

4 years ago

2. Gas A has twice as much mass as Gas B. Compared to one mole of gas A, one mole of

klio [65]

I think the answer is d

4 0

3 years ago