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natta225 [31]
2 years ago
9

Which of the following describes the greenhouse effect?

Chemistry
1 answer:
forsale [732]2 years ago
5 0

Answer:

D

Explanation:

Earth's greenhouse gases trap heat in the atmosphere and warm the planet.

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What do elements in the first two columns of the periodic table have in common?
coldgirl [10]

Answer: b.) they tend to lose electrons to gain stability

Explanation:

5 0
2 years ago
20 ML of a gas at 200 K is heated until the new volume is 55ML what is the final temperature of the gas
MrRa [10]

Answer:

T2 = 550K

Explanation:

From Charles law;

V1/T1 = V2/T2

Where;

V1 is initial volume

V2 is final volume

T1 is initial temperature

T2 is final temperature

We are given;

V1 = 20 mL

V2 = 55 mL

T1 = 200 K

Thus from V1/T1 = V2/T2, making T2 the subject;

T2 = (V2 × T1)/V1

T2 = (55 × 200)/20

T2 = 550K

8 0
2 years ago
If 156 grams of chromium react with an excess of oxygen, as shown in the balanced chemical equation below, how many grams of chr
GenaCL600 [577]
228 grams
start with mass of Cr multiply by molar mass of Cr mole to mole ratio between Cr and Cr2O3 times molar mass of Cr2O3
7 0
3 years ago
I am so bored someone talk
kolezko [41]

Answer:

hello.

Explanation:

you wanted to talk? well here I am

5 0
2 years ago
What is the length of the shaded grey area? write your answer to the correct number of significant digits. The unit is cm
alukav5142 [94]

Answer:

1.37cm

Explanation:

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8 0
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