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shusha [124]
3 years ago
7

Why has Earth's climate changed so rapidly in recent years?

Chemistry
1 answer:
ser-zykov [4K]3 years ago
5 0
I believe it’s C , People are burning too many fossil fuels .
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What would happen on the Earth if the Sun’s radiation could not travel through space?
DochEvi [55]

Answer:

We'd all freaking freeze to death and be standing there like the black beetles trend.

Explanation:

This is a joke, please don't take this seriously.

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What helps skin repair itself after it is cut?
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A car with constant speed travelso 150 km in 7200 seconds what is the speed of the car
liberstina [14]
7200sec÷60sec in a minute÷60minutes in an hour=2hours. 150km÷ 2 hours= 75 km/hour
4 0
3 years ago
How many neutrons does the most common isotope of hydrogen have?
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3 0
3 years ago
A sample of a gas (1.50 mol) is contained in a 15.0 l cylinder. the temperature is increased from 100 °c to 150 °c. what is the
pav-90 [236]

<u>Given:</u>

Moles of gas, n = 1.50 moles

Volume of cylinder, V = 15.0 L

Initial temperature, T1 = 100 C = (100 + 273)K = 373 K

Final temperature, T2 = 150 C = (150+273)K = 423 K

<u>To determine:</u>

The pressure ratio

<u>Explanation:</u>

Based on ideal gas law:

PV = nRT

P= pressure; V = volume; n = moles; R = gas constant and T = temperature

under constant n and V we have:

P/T = constant

(or) P1/P2 = T1/T2 ---------------Gay Lussac's law

where P1 and P2 are the initial and final pressures respectively

substituting for T1 and T2 we get:

P1/P2 = 373/423 = 0.882

Thus, the ratio of P2/P1 = 1.13

Ans: The pressure ratio is 1.13


7 0
3 years ago
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