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Liono4ka [1.6K]
3 years ago
14

Am I correct lots of points!

Chemistry
2 answers:
Anastaziya [24]3 years ago
8 0

Answer:

Yes, your answer is correct, Good job!

Explanation:

larisa [96]3 years ago
5 0
Yes the answer is correct the plant uses the energy to grow and fertilize other plants
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9 grams of hydrogen gas (H2) will SC  Johnson need to react in order to make 1 bottle of Windex.

Explanation:

Balance equation for the formation of ammonia from H2 gas.

N2 + 3H2 ⇒ 2 NH_{3}

Given

mass of ammonia in 1 bottle of windex = 51 gram

atomic mass of ammonia 17.01 gram/mole

number of moles = \frac{mass}{atomic mass of 1 mole}

number of moles = \frac{51}{17.01}

                               = 3 moles of ammonia is formed.

in 1 bottle of windex there are 3 moles of ammonia 0r 51 grams of ammonia.

From the equation it can be found that:

3 moles of hydrogen reacted to form 2 moles of ammonia

so, x moles of hydrogen will react to form 3 moles of ammonia.

\frac{2}{3} = \frac{3}{x}

x = 4.5 moles of hydrogen will be required.

to convert moles into gram formula used:

mass = atomic mass x number of moles  (atomic mass of H2 is 2grams/mole)

        = 2 x 4.5

        = 9 grams of hydrogen.

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3 years ago
A meteor falls toward Earth's surface. Given that the acceleration due to
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Answer:

E = 147000  J

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Given that,

The mass of meteor, m = 50 kg

The altitude of the meteor, h = 300 m

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So, the required potential energy is equal to 147000  J.

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