Why is tidal energy considered renewable?

Are gas planets less dense or more dense?

When 14.0 g of zinc metal reacts with excess hcl, how many liters of h2 gas are produced at stp? when 14.0 g of zinc metal reacts with excess hcl, how many liters of h2 gas are produced at stp? 9.60 l 4.80 l 0.208 l 0.416 l?

Which is a characteristic of a Lewis base? it behaves as the electron donor. It behaves as the electron acceptor. It donates a hydrogen ion to other compounds. It increases the concentration of hydrogen ions.

What is the amount of energy needed to heat 2.3 g of aluminum from 6.2oC to 46.9oC in Joules?

Sea water, a solution composed of a variety of salts dissolved in water. the salt is the

Which of these is a property of bases? They produce hydrogen gas when reacted with metals. They turn litmus paper blue. They feel sticky. They taste sour.

After Pangaea broke up, North America became part of what?

What the different betwen observe and reference

How many moles are in 12.5 g of H2O

How do the atomic number and the number of protons relate to one another? The atomic number tells us the number of protons The atomic number is protons + neutrons They do not Electron Cloud