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sineoko [7]
3 years ago
13

Which activity most likely involves the direct use of saturated hydrocarbons?

Chemistry
2 answers:
Ugo [173]3 years ago
8 0
I dont know but the options are: 
burning natural gasdissolving salt in watercarving stone with hammer and chisel<span>bending steel by hand</span>
mario62 [17]3 years ago
3 0
Not 100% sure, but I believe it is Option C: carving stone with hammer and chisel.
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A gas sample occupies 3.25 liters at 297.5K and 2.4 atm. Determine the temperature at which the gas will occupy 4.25 L at 1.50 a
lorasvet [3.4K]

For equal moles of  gas, temperature can be calculated from ideal gas equation as follows:

P×V=n×R×T ...... (1)

Initial volume, temperature and pressure of gas is 3.25 L, 297.5 K and 2.4 atm respectively.

2.4 atm ×3.25 L=n×R×297.5 K

Rearranging,

n\times R=0.0262 atm L/K

Similarly at final pressure and volume from equation (1),

1.5 atm ×4.25 L=n×R×T

Putting the value of n×R in above equation,

1.5 atm ×4.25 L=0.0262 (atm L/K)×T

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Solid sulfur dioxide, SO₂(s)
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Isotope b has a half-life of 3 days. a scientist measures out 100 grams of this substance. after 6 days has passed, the scientis
Brilliant_brown [7]
So half life is the time taken for a sample to decay to half its original mass, its a constant and applies to any original mass, it could be 5g or 1kg, it will take the same amount of time for the original mass to half. In this case the half life is 3 days.

After 3 days the sample will be at half its original mass, now 50g. 

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I need help with number 17 pls someone pls ???
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Explanation:

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Answer:

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