Matter cannot be created or destroyed. list at least two long-term impacts that this concept has for us on this planet.

Which best describes why nh4+ can form an ionic bond with ci-?

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.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?