If you could figure this one out i would be much obliged : d

how does a steam engine do work?

a. steam expands and spins an axle
b. steam causes wheels to turn
c. steam turns a turbine
d. steam enters a cylinder and pushes a piston.

explain why.

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

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

In the reaction between a crushed antacid tablet and vinegar what gas is emitted