Acertain hybrid car has a mileage rating of 47 miles per gallon. if the car makes a trip of 279 miles, how many gallons of gasoline will be used?

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

Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?

If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms