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weqwewe [10]
4 years ago
6

At what tempature does ice melt into water

Chemistry
1 answer:
DENIUS [597]4 years ago
6 0

Answer:

0 °C.

Explanation:

The melting point of ice (or the <em>freezing point of water</em>) is 0 °C, assuming the ice does not have any impurities whatsoever. The presence of impurities will cause the melting point to be a bit lower than 0 °C.

The scale of Celcius degrees makes it so that water freezes at 0 °C and boils at 100 °C.

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A saline solution contains 72.3 grams of NaCl in 500.0 mL if water. What is the concentration (Molarity) of this solution?
valina [46]

Answer:

2.47 M

Explanation:

Molarity is (mol of solute)/(L of solvent).  To find molarity, convert grams of NaCl to moles of NaCl and milliliters of water to liters of water.

72.3 g ÷ 58.44 g/mol = 1.2372... mol

500 mL ÷ 1000 mL = 0.5 L

Molarity = 1.2372/0.5 = 2.47 M

7 0
3 years ago
Consider this reaction mechanism:
telo118 [61]

Answer:Mo(CO)5

Explanation:I just did it

4 0
4 years ago
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A chemical reaction which uses a molecule of water to break apart another molecule is most commonly called
Artyom0805 [142]

That is called hydrolysis.

4 0
3 years ago
If there is 25.0 L of gas at a temperature of 350C what is the temperature if the volume increases to 75.0L?
Zielflug [23.3K]

Answer:

The new temperature is 1596 C.

Explanation:

Charles's Law indicates that for a given sum of gas at constant pressure, as the temperature increases, the volume of the gas increases, and as the temperature decreases, the volume of the gas decreases.

Statistically, Charles's law is a law that says that when the amount of gas and pressure are kept constant, the ratio that exists between the volume and the temperature will always have the same value:

\frac{V}{T}=k

Being an initial state 1 and a final state 2, it is fulfilled:

\frac{V1}{T1}=\frac{V2}{T2}

In this case:

  • V1= 25 L
  • T1= 350 C= 623 K (being 0 C= 273 K)
  • V2= 75 L
  • T2= ?

Replacing:

\frac{25 L}{623 K} =\frac{75 L}{T2}

Solving:

T2*\frac{25 L}{623 K} =75 L

T2=75 L*\frac{623 K}{25 L}

T2= 1869 K= 1596 C

<u><em>The new temperature is 1596 C.</em></u>

4 0
3 years ago
How do the change of stress cause a shift in the equilibrium system of your solutions?
matrenka [14]

Answer:

Stress changes everything.

Explanation:

Stress can make people, animals, solids, liquids, gases, plasma and even solutions shift due to friction, anger, hatred and more.

3 0
3 years ago
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