Need cant find the answer in my textbook. select all that apply to alkanes. 1. they are hydrocarbons. 2. they have single bonds. 3. they have double bonds. 4. butane has 4 carbons. 5. they are saturated.

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d. lytic