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Kitty [74]
2 years ago
11

Please help and explain!

Chemistry
1 answer:
Marianna [84]2 years ago
6 0

Answer:

A: 53.346in

B. 7.62cm

C. 0.116km

D. 57000m

E. 9.82x10-⁸kg

G. 11.375lb

Explanation:

i don't know how to explain it to you

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Which image shows 2-hexyne?
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Answer: C

Explanation:

A. Shows 3-Hexyne (NOT 2-HEXYNE)

B. Shows 7 carbons (too many) (NOT 2-HEXYNE)

C. Shows a triple bond (yne) and 6 carbons and it's on the second carbon (2-HEXYNE)

D. Shows two substitent on the second carbon but the triple bond is on the 3rd carbon so it's 2,2-dimethyl-3-heptyne (NOT 2-HEXYNE)

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When you dropped a hot metal sample into room temperature water in the lab what happened
stira [4]

Answer:

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4 years ago
A sample of gas in a closed container at a temperature of 76°c and a pressure of 5.0 atm is heated to 399°c. What pressure does
NikAS [45]

<u>Answer:</u> The pressure that the gas exert at high temperature is 9.63 atm

<u>Explanation:</u>

To calculate the final pressure of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1\text{ and }T_1 are the initial pressure and temperature of the gas.

P_2\text{ and }T_2 are the final pressure and temperature of the gas.

We are given:

P_1=5.0atm\\T_1=76^oC=[76+273]K=349K\\P_2=?\\T_2=399^oC=[273+399]K=672K

Putting values in above equation, we get:

\frac{5.0atm}{349K}=\frac{P_2}{672K}\\\\P_2=9.63atm

Hence, the pressure that the gas exert at high temperature is 9.63 atm

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Which of the following is not a consequence of the onset of early spring events ?
kakasveta [241]

Answer: b.  acidic ocean water

Explanation:

3 0
3 years ago
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