A COPPER strip is placed in one compartment of a voltaid cell and a wire connects this strip to a plece of metal in the other compartment through a voltmeter the voltmeter reads zero, the other piece of
metal is:
Select one:
silver
mercury
Zinc
copper

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

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