Achemistry student needs 55.0g of dimethyl sulfoxide for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of dimethyl sulfoxide is ·1.10gcm−3. calculate the volume of dimethyl sulfoxide the student should pour out. be sure your answer has the correct number of significant digits.

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.

All motion is caused by force? true or false

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.