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lakkis [162]
2 years ago
9

Which product in the reaction forms a precipitate? PbSO4 MgCl2 PbMg no precipitate formed

Chemistry
1 answer:
e-lub [12.9K]2 years ago
8 0

Answer:

MgCl2

Explanation:

Just did it... got it wrong but it showed me the right answer, you welcome

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Fill in the blank for the following statement: ________ is the movement of rocks, sand, or materials from a place?
Verizon [17]

Answer:

Erosion.

Explanation:

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3 years ago
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Which of the following measurements is expressed to three significant figures?
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Which of the following measurements is expressed to three significant figures?
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True or False. The amount of heat required to raise the temperature of an object by 1 degree celsius is heat capacity.​
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2 years ago
Calculate the standard entropy of vaporization of ethanol, C2H5OH, at 285.0 K, given that the molar heat capacity at constant pr
MArishka [77]

Answer: The standard entropy of vaporization of ethanol is 0.275 J/K

Explanation:

C_2H_5OH(l)\rightleftharpoons C_2H_5OH(g)

Using Gibbs Helmholtz equation:

\Delta G=\Delta H-T\Delta S

For a phase change, the reaction remains in equilibrium, thus \Delta G=0

\Delta H=T\Delta S

Given: Temperature = 285.0 K

\Delta H=78.3J/mol

Putting the values in the equation:

78.3J=285.0K\times \Delta S

\Delta S=0.275J/K

Thus  the standard entropy of vaporization of ethanol is 0.275 J/K

4 0
3 years ago
In a 4th period battle, the girls were able to overcome the in Tug-of-War. Ten boys each pulled with a force of 30 N. Six girls
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Answer:

10 N

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2 years ago
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