C3H2 + 50, – 300, + 4H20
How many grams of
oxygen are necessary to
react completely with 33
grams of propane (C3Hz)?

Which substances have the lowest melting points: ionic covalent, or metallic

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.