Question

will some one plz help




Which of the following types of substances would be least likely to dissolve in water?
a nonpolar molecule like cholesterol
a polar molecule like ethyl alcohol
an ionic compound, such as magnesium chloride
a polar molecule like the fruit sugar, fructose

Answer 1

A

Answer 2

because water itself is a polar solvent

Answer 3

thnks

Answer 4

How does a solution with a pH of 2 compare to a solution with a pH of 1?
The pH 2 solution is two times more acidic than the pH 1 solution.
The pH 1 solution is ten times more acidic than the pH 2 solution.
The pH 1 solution is two times more basic than the pH 2 solution.
The pH 2 solution is ten times more acidic than the pH 1 solution.

Answer 5

think u can help me with this one

Answer 6

B

Answer 7

k thank u

Answer 8

Anytime !

Answer 9

. Which is true about the gas as the piston in the illustration moves down?
Volume decreases, pressure increases.
Pressure decreases, volume increases.
Pressure and volume decrease.
Volume and pressure increase.

The freezing point of a substance is ____ the melting point of the same substance. )greater than
less than
equal to
unrelated to

For most substances, the distance between particles is smallest when the substance ____.
exists as a gas
exists as a liquid
exists as a crystalline solid
exists as an amorphous solid

Which of the following factors does not affect the behavior of a gas in a closed container?
the number of particles
the average kinetic energy
the cohesive forces within the gas
the size of the container

Answer 10

would u help me one this one plz

Answer 11

Sure but pls post it as a new question

Answer 12

ok