1) a block of aluminum has a mass of 40.5
grams. if the density of aluminum is 2.7 g/ml,
what is the volume of this block?

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of