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Ostrovityanka [42]
3 years ago
7

A 15 kg television sits on a shelf at a height of 0.3. How much gravitational potential energy is added to the television when i

t is lifted to a shelf of height 1.0m? A. 44.1 J B. 147.0 J C. 85.2J D. 102.9J
Chemistry
1 answer:
slavikrds [6]3 years ago
7 0

Answer:

Explanation:

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soldi70 [24.7K]

Answer:

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3 years ago
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For the reaction below, Kp = 1.59 at 100°C. If 1.0 g of SrCO3 is placed in an empty 5.00 L reactor and allowed to reach equilibr
Sergio [31]

Answer:

p_{CO_2}^{eq}=1.59atm

Explanation:

Hello, in this case, one could consider the undergoing chemical reaction as:

SrCO_3(s)\rightleftharpoons SrO(s)+CO_2(g)

Thus, since 1.0 g of strontium carbonate is placed, the equilibrium equation takes the following form, excluding the solid-stated species and considering just the carbon dioxide as it is gaseous:

Kp=p_{CO_2}^{eq}=1.59atm

Hence, since at the beginning there is no carbon dioxide, its pressure at equilibrium equals Kp:

Kp=p_{CO_2}^{eq}=1.59atm

Which was clearly defined above.

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8 0
3 years ago
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Paladinen [302]

Answer:

3.6g

Explanation:

2 moles of water gives 1 mole of oxygen

2(h2o)=1(o2)

2(molar mass of h2o)=1(molar mass of oxygen molecule)

2(18)=1(16×2)

36=32

3.6=x

cross multiply

3.6×32=36× x

115.2=36x

x=115.2÷36

x=3.6g

5 0
3 years ago
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Bezzdna [24]

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3

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Desposition

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