When a scientific theory has been tested and proved by the scientific community, it

becomes a law.

1) True

2) False

Does a strong acid have a greater or lesser tendency to lose its proton than a weak acid?

The atoms and molecules in a liquid are in constant motion. As temperature decreases, what is true of the particles in the liquid? The distance between the particles increases. The attraction between the particles decreases.

To what element does Thorium-230 (atomic number-90) decay when it emits an alpha particle (42He) ? a. 22688Ra c. 22886Rn b. 23090Ra d. 22286Rn

Common table salt is sodium chloride. when table salt is dissolved in water, the solution conducts electricity because

Platinum has a density of 21.45 G / CC. gold has a density of 19.3 G / CC. a) which is larger 100 gram cube of platinum or a hundred grand cube of gold? b) what is the length of each side of a 100 gram cube of platinum?

Is it possible to decrease resistance of the wire without changing the material it's made out of?

Which is the solubility product expression for pbcl2 (s)

What organisms are most of the life forms you can see

A vehicles speed changes from 25 mph to 50 mph over the course of 5 minutes. What is the acceleration?

A change of temperature equal to one kelvin is equal to a change of temperature of how many degrees celsius?