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mixer [17]
3 years ago
12

Hydrocarbons contain only _____. carbon and hydrogen carbon, hydrogen, and oxygen carbon and nitrogen carbon and helium

Chemistry
2 answers:
Sati [7]3 years ago
5 0
Hydrocarbons contain only Carbon and hydrogen.

Hope this helps!
nika2105 [10]3 years ago
3 0

<u>Answer:</u> The correct answer is hydrogen and carbon.

<u>Explanation:</u>

Hydrocarbons are defined as the compounds in which covalent bond is present between hydrogen and carbon atom. They are also called as organic compounds.

If any other atom other than hydrogen and carbon is present, it is not considered as hydrocarbon.

For Example: C_2H_6 is an organic compound but CO_2 is not an organic compound.

Hence, the correct answer is hydrogen and carbon.

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Answer:

Explanation:

x in (-oo:+oo)

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2-((1/2)*x)+3 < 0

(-1/2)*x+2+3 < 0

5-1/2*x < 0 // - 5

-1/2*x < -5 // : -1/2

x > -5/(-1/2)

x > 10

x in (10:+oo)

(10:+oo)

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3 years ago
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What type of bond occurs when two atoms share electrons but one of the atoms has a greater electronegativity? Ionic. Popular cov
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I think it is covalent I’m sorry if I’m wrong
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3 years ago
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A sheet of gold weighing 8.8 g and at a temperature of 10.5°C is placed flat on a sheet of iron weighing 19.5 g and at a tempera
timofeeve [1]

Answer:

T = 36.393\,^{\textdegree}C

Explanation:

The contact between the sheet of gold and the sheet of iron allows a heat transfer until thermal equilibrium is done, which means that both sheets have the same temperature:

-Q_{iron} = Q_{gold}

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-1.438\cdot T +78.227^{\textdegree}C = T - 10.5^{\textdegree}C

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8 0
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Answer:

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Explanation:

Zn + HCl → ZnCl2 +

The complete equation is given below:

Zn+ HCl → ZnCl2 + H2

Now we can balance the equation by doing the following:

There are 2 atoms of Cl and 2 atoms of H on the left. This can be balanced by putting 2 in front of HCl as shown below:

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