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Arte-miy333 [17]
3 years ago
14

Please help me with this homework I really need help with this homework

Chemistry
1 answer:
Rainbow [258]3 years ago
3 0

Answer:

For the first question its C, Gas

For the second one table

Explanation:

The faster particles move, the more kinetic energy they have. Within a given substance, such as water, particles in the solid state have the least amount of kinetic energy. Particles in the liquid state move faster than particles in the solid state. Therefore, they have more kinetic energy.

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How much heat is required to raise the temperature of 250.0g of mercury 52.0°c if the specific heat of mercury is 0.140 j/(g x °
sasho [114]

Q = m c T

c= 0.140 j/(g x °c)

m= 250.0g

T =52

hope you can solve it now

8 0
3 years ago
Which of the following describes a solution of 1 gram of salt dissolved in 500 mL of water?
Greeley [361]

Answer:

B

Explanation:

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Find oxidation number for the aucl4 in haucl4 is it 1 or -1?
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What is the molarity when 0.181 moles of MgNO3)2 are dissolved in enough water to make 0.750 L solution?
eimsori [14]

Answer:

Molarity = 0.24 M

Explanation:

Given data:

Number of moles of Mg(NO₃)₂ = 0.181 mol

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Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

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Molarity = number of moles of solute / L of solution

by putting values,

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