Determine whether each of the following solutes is more soluble in hot water or cold water. a. sulfur dioxide b. chlorine c. helium d. sucrose e. sodium chloride

Explanation:

When there occurs an increase in temperature of a solvent or water then solubility of a gas decreases. This is because increase in temperature leads to increase in kinetic energy of the molecules of a gas.

Due to which molecules become free of the intermolecular bonds. Hence, they tend to escape from the solution.

Therefore, helium, chlorine and sulfur dioxide are soluble in cold water.

Whereas both sodium chloride and sucrose are soluble in hot water as both of them are solid state. But when dissolved in hot water then increase in temperature of water tends to break the intermolecular bonds between the molecules of each of the salts.

Therefore, they tend to dissolve readily in hot water.

Thus, we can conclude that:

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.