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7nadin3 [17]
3 years ago
15

When you jump-starts a car, what happens to the stored energy in the working battery? PLEASE ANSWER

Chemistry
1 answer:
Yuri [45]3 years ago
4 0
The stored energy in the battery does not work anymore.
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How many grams of NH3 can be produced from 2.30 mol of N2 and excess H2.
MrRa [10]
<h3>Answer:</h3>

78.34 g

<h3>Explanation:</h3>

From the question we are given;

Moles of Nitrogen gas as 2.3 moles

we are required to calculate the mass of NH₃ that may be reproduced.

<h3>Step 1: Writing the balanced equation for the reaction </h3>

The Balanced equation for the reaction is;

   N₂(g) + 3H₂(g) → 2NH₃(g)

<h3>Step 2: Calculating the number of moles of NH₃</h3>

From the equation 1 mole of nitrogen gas reacts to produce 2 moles of NH₃

Therefore, the mole ratio of N₂ to NH₃ is 1 : 2

Thus, Moles of NH₃ = Moles of N₂ × 2

                                  = 2.3 moles × 2

                                  = 4.6 moles

<h3>Step 3: Calculating the mass of ammonia produced </h3>

Mass = Moles × molar mass

Molar mass of ammonia gas = 17.031 g/mol

Therefore;

Mass = 4.6 moles × 17.031 g/mol

         = 78.3426 g

         = 78.34 g

Thus, the mass of NH₃ produced is 78.34 g

3 0
3 years ago
Does a low or a high pressure air mass have a greater atmospheric pressure than the surrounding air masses?
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Answer:

Hello fellow brainlian! here is the answer that you seek:High pressure areas are usually caused by air masses being cooled, either from below (for instance, the subtropical high pressure zones that form over relatively cool ocean waters to the west of Califormia, Africa, and South America

Explanation:

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                   With love,

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8 0
3 years ago
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1. element with three occupied energy levels and<br> one valence electron
vfiekz [6]

Answer:

Potassium (K) = (2,8,8,1)

This is the element that has three(3) filled energy level and one valence electron

3 0
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Which of the following is the BEST description of a temperate grassland ecosystem?
Likurg_2 [28]

Answer:

It is an area that is covered in grasses and wildflowers that receives enough rainfall to support the grassland but not the growth of trees.

Explanation:

8 0
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A man went to a gas station and asked the attendant to inflate the low front tire. When the attendant finished, the constant(s)
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None of above. only temperature stays constant.
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