Which of the following is a mixture?ⓐwater ⓑsugar ⓒsalt ⓓ salt and sugar

Complete this brønsted-lowry reaction placing each product by its appropriate label. hso4- + hcn

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.