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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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What is the molar mass of Al2(SO4)3​
umka21 [38]

Answer:

The molar mass of Al_2(SO_4)_3​ is 342.145 g/mol

Explanation:

The molar mass  is stated as the “mass per unit amount of substance”of a given chemical compound  

Al_2(SO_4)_3​  is Aluminium sulphate. They easily dissolve in water. It is primarily  used as a 'coagulating agent' in the drinking water purification and also in waste and sewage water treatment plants,  

We know,

Atomic weight of Aluminium =  26.981

Atomic weight of Sulphur= 32.065

Atomic weight of  Oxygen =  15.9994

Now molar mass of  Al_2(SO_4)_3​ (Aluminium sulphate) is

=>2(26.981)+3(32.065+4(15.999))

=>53.962 +3(32.065+63.996)

=>53.962+3(96.061)

=>53.962+288.183

=>342.145

4 0
3 years ago
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