A salt is obtained as a reaction between

a. a base and water.

b. a base and an acid.

c. an acid and oxygen.

d. a nonmetal and a metal.

Explain in you own words, why molecules sometimes attain three-dimensional shapes rather than just being flat.

Mechanical advantage can be calculated by which of the following expression? A) input force/output force B) output force/input force C) input work/output work D) output work/input work

The pH of a solution is 2.0. Which statement is correct? Useful formulas include StartBracket upper H subscript 3 upper O superscript plus EndBracket equals 10 superscript negative p H.

Whuch expression is equal to the number of grams in 2.43 kg

11. If the pH of a solution increases from 2.0 to 4.0, the H3O^ + ion concentration O a decreases by a factor of 2. b. decreases by a factor of 100. c. increases by a factor of 3. O d. increases by a factor of 1000,

Which has the highest viscory? Milk? Water? Orange juice?

What was venter's comtributionto science?

How many atoms are in 151 g of calcium?

Which statements about the formation of the solar system are true and in a correct order? A. A black hole collapsed to form the sun; small planetary objects formed; small planetary objects collided with each other to form larger objects. B.

Which is an important step in the alternate method for balancing equations in redox reactions? a) indicating the types of bonds found in the molecules. b) determining the speed at which reactions take place.