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BARSIC [14]
3 years ago
15

What is the ultimate source of energy for all fossil fuels?

Chemistry
2 answers:
hodyreva [135]3 years ago
8 0
The answer is C - The Sun
rodikova [14]3 years ago
7 0
I would say it would be the sun
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Which two compounds are molecules which both contain a double bond
Mademuasel [1]

Answer:

Double bond

Chemical compounds with double bonds.

Ethylene Carbon-carbon double bond.

Acetone Carbon-oxygen double bond.

Dimethyl sulfoxide Sulfur-oxygen double bond.

Diazene Nitrogen-nitrogen double bond.

Explanation:

pls mark me as brainleast and folow me

7 0
3 years ago
A kind of decomposition reaction that requires heat is ______.
Rainbow [258]
The correct answer is a  oxidizer

5 0
4 years ago
What is the limiting reactant
hoa [83]

Answer:

refer to this site it has information about limiting reactant -

https://chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Supplemental_Modules_(Inorganic_Chemistry)/Chemical_Reactions/Limiting_Reagents

4 0
3 years ago
If you wanna get oil to 180 celcius when it starts at 20 how many units of thermal energy is needed?
Zarrin [17]

Answer:

The thermal energy (heat) needed, to raise the temperature of oil of mass  'm' kilogram and specific heat capacity 'c' from 20°C to 180°C  is  160·m·c joules

Explanation:

The heat capacity, 'C', of a substance is the heat change, ΔQ, required by a given mass, 'm', of the substance to produce a unit temperature change, ΔT

∴ C = ΔQ/ΔT

ΔQ = C × ΔT

C = m × c

Where;

c = The specific heat capacity

ΔT = The temperature change = T₂ - T₁

∴ ΔQ = m × c × ΔT

Therefore, the thermal energy (heat) needed, ΔQ, to raise the temperature of oil of mass 'm' kilogram and specific heat capacity, 'c' from 20°C to 180°C  is given as follows;

ΔQ = m × c × (180° - 20°) = 160° × m·c

ΔQ = 160·m·c joules

7 0
3 years ago
Considering the combustion reaction of propane again, what mass of propane (C3Hg) is necessary to react with 4.53 g of oxygen? C
zimovet [89]

Answer:

1.25 g C3H8

Explanation:

edge lol

7 0
2 years ago
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