Which statement about acids is true? a) Weak acids have a pH of less than 2.

b)

The pH value of acids can only be measured in aqueous form.

c)

The stronger the acid, the higher the pH value.

d)

Strong acids have a low percent ionization.

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.