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yKpoI14uk [10]
3 years ago
13

Crude oil is ________. a. composed of less than ten different hydrocarbon molecules b. formed in a wide range of temperature and

pressure circumstances c. fractionated to separate the chemicals used for gasoline, lubricants, plastics and other products d. formed less than 100 yards below the surface; in deeper places with more pressure, coal is formed e. usable in its raw form
Chemistry
1 answer:
Arisa [49]3 years ago
3 0

Answer:

C

Explanation:

A - Crude oil is composed for hundreds of hydrocarbon, not less than ten.

B - Is formed in specific conditions of temperature and pressure

C - It's fractionated to form gasoline, lubricants, CH4, plastics and many other products made of hydrocarbon.

D - We have crude oil located more than 4000 yards below the surface in countries like Brazil

E - The crude oil is very thick and don't have an specific usage, so we need to refine it.

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The ionic radius of S2- ion is larger than that of Cl- ion. Why?
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Answer: A sulfur ion has more electron shells than a chlorine ion.

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2 years ago
If i initially have a gas with a pressure of 84 kpa and a temperature of 350 c and i heat it an additional 230 degrees, what wil
Ganezh [65]

Answer:

67.824

Explanation:  You want to use the combined gas law equation (P1*V1)/(n1*T1)=(P2*V2)/(n2*T2). So first cross out what remains constant, so volume(V) and I assume moles (since it was not mentioned as a change). Then you can solve algebraically for the answer!

Hope this helped!

5 0
3 years ago
Part A: How many moles of NH3 can be produced from 21.0 mol of H2 and excess N2?
Lorico [155]

Answer:

a) 7.0 moles of NH3

b) 61.2 g of NH3

c) 4.15 g of H2

d) 8.9 ×10^19 molecules

Explanation:

Equation of the reaction;

N2(g) + 3H2(g) ⇄NH3(g)

a)

If 3 moles of H2 yields 1 mole of NH3

21 moles of H2 will yield 21 × 1 /3 = 7.0 moles of NH3

b)

1 mole of N2 yields 17 g of NH3

3.6 moles of N2 yields 3.6 moles × 17 g of NH3 = 61.2 g of NH3

c)

If 6g of H2 produces 17 g of NH3

xg of H2 will produce 11.76 g of NH3

x= 6 × 11.76/17

x= 4.15 g of H2

d)

If 6g of hydrogen yields 6.02 × 10^23 molecules of NH3

8.86 × 10^-4g of H2 yields 8.86 × 10^-4g × 6.02 × 10^23 /6 = 8.9 ×10^19 molecules

8 0
4 years ago
NEED HELP FAST!20 pts for an easy worksheet
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On the bottom
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If the temperature of the helium balloon were increased from 30°C to 35°C and the volume of the balloon only expanded from 0.47L
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Answer:r u from ridge

Explanation:

Mr Wilson trippin

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