3 years ago

The combustion of a fuel is generally favored because of the large increase in entropy due to

Chemistry

1 answer:

Over [174]3 years ago

7 0

Answer:

the exothermic reaction.

Explanation:

The combustion releases heat out to the surroundings (outside the reaction vessel), so the entropy of the surroundings also increases due to thermal energy release. if it is correct make me as brainliest

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MaRussiya [10]

Answer:

Molecules in the hot water bottle are

moving faster than molecules in the skin.

Explanation:

If the molecules in the skin were to be moving faster than the water then the water would seem to be cold.

5 0

3 years ago

How many moles are in 5.4x1024 molecules of C4H2F7I, heptafluoro-1-iodobutane? Group of answer choices

jasenka [17]

Given :

Number of molecules of $C_4H_2F_7I$ .

To Find :

How many moles are in given number of molecules.

Solution :

We know, in 1 moles of any element/compound contains $6.022\times 10^{23}$ at atoms/molecules.

So, number of moles in $5.4\times 10^{24}$ molecules are :

$n = \dfrac{5.4\times 10^{24}}{6.022\times 10^{23}}\\\\n = 8.97 \ moles$

Therefore, number of moles are 8.97 .

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3 years ago

When the products of a reaction have less energy than the reactants

ohaa [14]

Answer:

the energy of the products is less than the energy of the reactants.

Explanation:

the the change is enthalpy is negative, and heat is released to the surroundings.

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3 years ago

Sulfur trioxide is a gas that reacts with liquid water to produce aqueous sulfuric acid, or acid rain. What is the equation for

ivanzaharov [21]

B) SO₃(g) + H₂O(l) → H₂SO₄(aq)

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Whick ions profuce similar colors in the flame tests?

arlik [135]

Ba2+ and Cu2+, and Sr2+ and Li+

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3 years ago