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3 years ago

The greenhouse effect can be compared to...

Chemistry

2 answers:

Soloha48 [4]3 years ago

5 0

Yep A is the right answer.

Nesterboy [21]3 years ago

3 0

A, a car parked in the sun with its windows closed.

The greenhouse effect is where there is so much pollution in the air, the heat from the sun cant escape the earth. just like a parked car with its windows closed, the heat generated inside of it will build up. all three other examples allow the heat to move freely.

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When 3.51 g of phosphorus was burned in chlorine, the product was a phosphorus chloride. Its vapor took 1.77 times as long to ef

kumpel [21]

Answer:

molar mass of the phosphorus chloride = 138.06 g/mol

Explanation:

mass of phosphorus will be the same as mass of CO2, since it is stated that they are of equal amount.

mass = 3.51 g

lets assume that it took the CO2 1 sec to effuse, then the time taken by the phosphorus chloride will be 1.77 sec

From this we can say that

rate of effusion of CO2 = 3.51/1 = 3.51 g/s

rate of effusion of the phosphorus chloride = 3.51/1.77 = 1.98 g/s

From graham's equation of effusion,

$\frac{Rc}{Rp}$ = $\sqrt{\frac{Mp\\}{Mc} }$

Rc = rate of effusion of CO2 = 3.51 g/s

Rp = rate of effusion of phosphorus chloride = 1.98 g/s

Mc = molar mass of CO2 = 44.01 g/mol

Mp = molar mass of the phosphorus chloride = ?

Imputing values into the equation, we have

$\frac{3.51}{1.98}$ = $\sqrt{\frac{Mp\\}{44.01} }$

1.77 = $\frac{\sqrt{Mp} }{6.64}$

11.75 = $\sqrt{Mp}$

Mp = $11.75^{2}$

Mp = molar mass of the phosphorus chloride = 138.06 g/mol

5 0

3 years ago

What would happen to an object if the force of gravity on Erath decreased by half

abruzzese [7]

Answer:

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Explanation:

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3 years ago

What is it called when an enzyme changes shape

7nadin3 [17]

Answer: Induced Fit

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Nadusha1986 [10]

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