1. To form a solution, .
one substance must dissolve in another
a solid must dissolve in a liquid
the solvent must be water
a gas must dissolve in a liquid

2. A salt is dissolved in water, which has a boiling point of 100°C. The boiling point of the solution will be .
greater than 100°C
less than 100°C
exactly 100°C
exactly 0°C

3. During the formation of a solution, energy is .
either released or absorbed
neither released nor absorbed
released only
absorbed only

4. A student dissolved equal amounts of salt in equal amounts of warm water, room-temperature water, and ice water. Which of the following is true?
The salt dissolved most quickly in the warm water.
The salt dissolved most quickly in the room-temperature water.
The salt dissolved most quickly in the ice water.
None of the above

Question

Hea6thraysmitsabell Hea6thraysmitsabell

08-08-2016
Chemistry

contestada

1. To form a solution, .
one substance must dissolve in another
a solid must dissolve in a liquid
the solvent must be water
a gas must dissolve in a liquid

2. A salt is dissolved in water, which has a boiling point of 100°C. The boiling point of the solution will be .
greater than 100°C
less than 100°C
exactly 100°C
exactly 0°C

3. During the formation of a solution, energy is .
either released or absorbed
neither released nor absorbed
released only
absorbed only

4. A student dissolved equal amounts of salt in equal amounts of warm water, room-temperature water, and ice water. Which of the following is true?
The salt dissolved most quickly in the warm water.
The salt dissolved most quickly in the room-temperature water.
The salt dissolved most quickly in the ice water.
None of the above

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daniel987 daniel987 · Answer 1 · 2016-08-11T14:05:50+02:00

1.one substance must dissolve another : the solvent breaks the the solute causing it to dissociate into the solvent it can be both solids or gases that dissolve in the solute

2.the melting point will be higher than 100 degrees as the salt causes the solution to gain a higher melting point

3.either released or absorbed : energy is required to dissolve the solute but the solute may also release energy

4.the salt dissolved most quickly in the warm water : as there is more energy for the solute to dissolve

hope that helps

Hussain514 Hussain514 · Answer 2 · 2016-08-13T15:45:22+02:00

1) To form a solution one substance must dissolve in another.
2) A salt is dissolved in water, which has a boiling point of 100°C. The boiling point of the solution will be greater than 100°C.
3) During the formation of a solution, energy is either released or absorbed.
4) A student dissolved equal amounts of salt in equal amounts of warm water, room-temperature water, and ice water.The salt dissolved most quickly in the warm water.