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labwork [276]
3 years ago
9

Can someone help me with this?

Chemistry
1 answer:
Anvisha [2.4K]3 years ago
8 0
With what? I don’t see a photo or such.
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In which atmosphere layer does 80% of the gas in the atmosphere reside
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Answer:troposphere

Explanation:The troposphere is the layer that holds 80 percent of the total gas in the atmosphere.

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3 years ago
How much heat is added if 0.5137g of water increases in temperature by 0.871 degrees C?
UNO [17]

Answer:

1.87 J

Explanation:

q = c x m x (T2-T1)

c- specific heat of water (4.186 j/g.C)

q = 4.186 x 0.5137 x 0.871 = 1.87 J

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3 years ago
What's the atomic mass unit of helium?
Alex17521 [72]
4.002602 u ± 0.000002 u
4 0
3 years ago
train travel from hong kong to beijing it traveled at an average speed of 160 km/m in the first 4 hours. after that it traveled
Nonamiya [84]

Answer:

7 hours

Explanation: step 1. 160x4=640

step 2. 1180-640=540

step 3. 540÷180=3

step 4. 3+4=7

5 0
4 years ago
Read 2 more answers
a little kitten jumps from a tree and hits the ground 2.6 seconds later.with this information calculate the cat's velocity right
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The initial velocity is equal zero 
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3 years ago
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