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2 years ago

Thermal energy always moves from where there is of it to where there is of it until .

Chemistry

2 answers:

Fittoniya [83]2 years ago

6 0

There is MORE of it
there is LESS of it
until DISTRIBUTED

DENIUS [597]2 years ago

5 0

Answer:

Thermal energy always moves from where there is more of it to where there is less of it until distributed.

Explanation:

Its true, just don't know if its correct for your assignment

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2 years ago

Boiling point of a solution formed when 15.2 grams of CaCl2 dissolves in 57.0 g of water. kB= 0.512 c/m.

Nookie1986 [14]

100.133 degree celsius is the boiling point of the solution formed when 15.2 grams of CaCl2 dissolves in 57.0 g of water.

Explanation:

Balanced eaquation for the reaction

CaCl2 + 2H20 ⇒ Ca(OH)2 + HCl

given:

mass of CaCl2 = 15.2 grams

mass of the solution = 57 grams

Kb (molal elevation constant) = 0.512 c/m

i = vont hoff factor is 1 as 1 mole of the substance is given as product.

Molality is calculated as:

molality = $\frac{grams of solute}{grams of solution}$

= $\frac{15.2}{57}$

= 0.26 M

Boiling point is calculated as:

ΔT = i x Kb x M

= 1 x 0.512 x 0.26

= 0.133 degrees

The boiling point of the solution will be:

100 degrees + 0.133 degrees (100 degrees is the boiling point of water)

= 100.133 degree celcius is the boiling point of mixture formed.

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2 years ago

Thermal energy always moves from where there is ____of it to where there is ____of it until ____.

Thermal energy always moves from where there is of it to where there is of it until .