How many CaH2 formula units are present in 8.294 g of CaH2?

How does erucamide make substances scratch resistant?

An electric clock in a classroom will not run if it not plugged into an electric outlet what does the clock get from the electric current from the outlet? A) batteries B) chemicals C) energy D) time of day

My rib is sore and I have a bruise on my knee. What does that mean?

Explain why the lesson on naming conventions in monosaccharides does not explicitly state how to designate nitrogen in or above the ring structure.

How many liters of space are in 4.00x10^22 of O2 occupy at STP

Which type of luster gives the mineral the appearance of metal?

Anything that contains only one kind of material?

One mole of propane (c3h8) gas reacts with five moles of oxygen (o2) gas to produce three moles of carbon dioxide gas (co2) and four moles of water gas (h2o).

How many nitrogen molecules are in 1.2 moles of N2?

Which best describes how sediment forms?