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VladimirAG [237]
3 years ago
9

Which of the following chemical equations is balanced?

Chemistry
1 answer:
muminat3 years ago
5 0

Answer:

A, 4Fe 3O2 → 2Fe2O3

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If 335 g water at 35.5C loses 5750 J of heat, what is the final temperature of the water?
White raven [17]

Answer:

The final temperature is  39.58 degree Celsius

Explanation:

As we know

Q = m * c * change in temperature

Specific heat of water (c) = 4.2 joules per gram per Celsius degree

Substituting the given values we get  -

5750 = 335 * 4.2 * (X - 35.5)

X = 39.58 degree Celsius

3 0
3 years ago
Water molecules that remain in a fixed position with very little motion would be characteristic of
Dominik [7]
Ice because the molecules have less movement in solids
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What is the oxidation state of each individual carbon atom in c2o42−?
MA_775_DIABLO [31]

Answer:

+3

Explanation:

The oxygen all have a -2 oxidation state. (peroxides are exceptions)

The chemical structure is symmetrical. Both carbon are equivalent.

2 (oxidation state of carbon) + 4 (oxidation state of oxygen) = charge of ion.

2 (oxidation state of carbon) + 4 (-2) = -2

oxidation state of carbon = +3

7 0
2 years ago
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A tau lepton decays into an electron, an electron antineutrino and a tau neutrino. Write out this reaction in symbolic (equation
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Answer:

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Explanation:

hhidhwvagaue hrurifv3v2vd

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This graph shows the solution to the inequality y > 3x + 14 and y < 3x + 2
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For apex the answer is no solution

7 0
3 years ago
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