3 years ago

C2H4(g) + H2(g) ----> C2H6(g)

Chemistry

1 answer:

sertanlavr [38]3 years ago

4 0

D because wants you add the equation it should increase temp but decrease the value in pressure

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The sea water has 8.0x10^-1 cg of element strontium. Assuming that all strontium could be recovered, how many grams of strontium

PilotLPTM [1.2K]

984 grams of strontium will be recovered from 9.84x10^8 cubic meter of seawater.

Explanation:

From the question data given is :

volume of strontium in sea water= 9.84x10^8 cubic meter

(1 cubic metre = 1000000 ml)

so 9 .84x10^8 cubic meter

$\frac{9 .84x10^8}{1000000}$ = 984 ml.

density of sea water = 1 gram/ml

from the formula mass of strontium can be calculated.

density = $\frac{mass}{volume}$

mass = density x volume

mass = 1 x 984

= 984 grams of strontium will be recovered.

98400 centigram of strontium will be recovered.

Strontium is an alkaline earth metal and is highly reactive.

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3 years ago

Select all the true statements regarding chemical equilibrium.

gladu [14]

Chemical equilibrium is reach when the concentrations of the product and reactants will no longer change with time. this does not mean that there is no change in concentration, only the net change is zero. the forward rate of reaction is now equal to backward rate of reaction.

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3 years ago

How many moles of O2 are consumed if 20 moles of SO2 are produced

tatiyna

Answer:

I hope this helps

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3 years ago

THIS IS SCIENCE

lana [24]

I'm guessing D or C, remember that the noble gases cannot combine

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