Which of the following best defines an acid?

A) An acid has a pH of 7.

B) An acid has hydroxide ions.

C) An acid has fewer positive ions in solution.

D) An acid has more hydrogen ions in solution.

The reaction between 4-methyl-1-pentanol and pbr3 to yield 1-bromo-4-methylpentane is probably:

Fresh water that flows into an ocean is an estuary. True or False

Determine the mass of a ball with a wavelength of 3.45 * 10-34 m and a velocity of 6.55 m/s

Calcium hydroxide and hydrochloric acid react to form calcium chloride and water as shown in the chemical reaction.

How many grams of mercury would be contained in 15 compact fluorescent light bulbs?

Is evaporation/condensation a physical or chemical change? Explain

Would the two as yet undiscovered elements A+1 and D+2 react?

Ammonium perchlorate is a powerful solid rocket fuel, used in the Space Shuttle boosters. It decomposes into nitrogen gas, chlorine gas, oxygen gas and water vapor, releasing a great deal of energy.

Determine the number of bonding electrons and the number of nonbonding electrons in the structure of SeCl2.

The same amount of energy is required to remove each electron sequentially from an atom. A. TrueB. False