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lapo4ka [179]
2 years ago
11

A solution is diluted by adding more _____, which means the _____ of the solution increases but the amount (moles) of solute sta

ys the same.
Chemistry
1 answer:
Rudik [331]2 years ago
6 0

Answer:solvent ; volume

Explanation:

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olga2289 [7]

Answer: 1.67 kg

Explanation:

The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.

Q=m\times c\times \Delta T

Q = Heat absorbed=4.31\times 10^1kJ = 43100J   (1kJ=1000J)

m= mass of substance = ?

c = specific heat capacity = 0.385J/g^0C

Change in temperature ,\Delta T=T_f-T_i=6.71\times 10^1^0C=67.1^0C

Putting in the values, we get:

43100J=m\times 0.385J/g^0C\times 67.1^0C

m=1670g=1.67kg   (1kg=1000g)

Thus the mass (in kg) of the copper sample is 1.67

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3 years ago
Which statement is true about crystal lattice energy
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Hey there!:

1) The additional stability that accompanies the formation of the network<span>Crystalline is measured as network enthalpy. 
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