If the same materials are used to build a voltaic cell and an electrolytic cell, how would the chemical reactions compare?

Match the following items. Match the items in the left column to the items in the right column. 1. vibrate slowly in fixed positions 2. condensation vibrate and rotate 3. occurs at phase equilibrium 4. required for evaporation 5. condensation 6.

In an experiment, onion plants of different ages were exposed to various amounts of caffeine to determine the effect of caffeine on cell growth. Temperature, amount of water, and light were kept constant.

What is the molarity of a solution containing 5.0 moles of kcl in 2.0 l of solution?

In maintaining proper acid-base balance, protein acts as

Raphaela wants to enter the school science fair and has a list of ideas for a project. Which questions could she answer through scientific investigation? Check all that apply.

Which of the following has the greatest mass, in grams? a. 1 atom of lead (Pb) b. 0.5 mol copper (Cu) atoms c. 0.3 mol gold (Au) atoms d. 25 atoms of mercury (Hg)

Which one is not a sedimentery rock a.) sandstone b.) limestone c.) quartz d. (coal

Which group is more reactive than the alkaline earth metals?

Why do you not want any of the water on the outside of the test tube to drip off into the calorimeter?

What is the mass of an original 5.60-gram sample of iron-53 that remains unchanged after 25.53 minutes?