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In-s [12.5K]
3 years ago
13

At what point on the hill will the car have zero gravitational potential energy? A) Half-way down the hill. B) At the top of the

hill. C) At the bottom of the hill. D) It will never have zero gravitational potential energy

Chemistry
2 answers:
bixtya [17]3 years ago
6 0

Answer:

its at the bottom just got it right on usa test prep <3

Explanation:

kompoz [17]3 years ago
3 0

I think it’s c cause height is what determines gravitational potential energy

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1. How many moles of nitrogen monoxide can be made using 5.0 moles of oxygen in the following composition reaction?
Viktor [21]

Answer:

1)  10.0 moles of NO

2) 25 moles of NaCl

3) 1200 moles of CO2

1. How many moles of nitrogen monoxide can be made using 5.0 moles of oxygen in the following composition reaction?

N2 + O2 → 2NO

For 1 mol N2 we need 1 mol O2 to produce 2 moles of NO

For 5.0 moles of N2 we need 5.0 moles of O2 to produce 10.0 moles of NO

2. The neutralization of an acid with a base is a double replacement reaction in which a salt and water are formed. If you start with 25 moles of HCl and neutralize it with  NaOH how many moles of NaCl will be formed?

HCl + NaOH → NaCl + H2O

For 1 mol HCl we need 1 mol NaOH to produce 1 mol of NaCl and 1 mol H2O

For 25 moles of HCl we need 25 moles of NaOH to produce 25 moles of NaCl and 25 moles of H2O

3. A car burns gasoline (octane – C8H18) with oxygen. If you drive to Salt Lake and  burn 150 moles of octane how many moles of carbon dioxide are you producing?

2C8H18 + 25O2 → 16CO2 + 18H2O

For 2 moles of octane we need 25 moles of O2 to produce 16 moles of CO2 and 18 moles of H2O

For 150 moles of octane we need 25*75 = 1875 moles of O2

To produce 16*75 = 1200 moles of CO2 and 18*75= 1350 moles

Explanation:

5 0
3 years ago
Read 2 more answers
In a fizzy drink container how is steel separated from aluminium
barxatty [35]

Answer:

By filtration

Explanation:

In the container, pour water and shake the mixture very well.

Pour the mixture in a clean container thro<u>ugh</u> a <em><u>filt</u></em><em><u>er</u></em><em><u> </u></em><em><u>tunnel</u></em> and steel with be the residue and aluminium will be in water.

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5 0
3 years ago
Refer to the experiment below:
saul85 [17]

Answer:

I think you are correct with your answer.

Explanation:

But I don't think that the explanation is correct because I think that it is the formation of both baking soda and water that makes it work...Vinegar doesn't make gas bubbles maybe because it hasn't reacted or maybe because it is not the right ingredient for the solution you are looking for. Thank you for the question.....Am not sure I really helped in your question but thank you..

8 0
3 years ago
What is the name of the following compound? Se5S6
inessss [21]

Answer:

I'm sorry I couldn't find it, I looked all over the internet

5 0
3 years ago
Which will have a greater inertia the moon or the earth​
abruzzese [7]
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4 0
3 years ago
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