During which stage of the water cycle could water return to the earth as a solid

Which material produces static charge when rubbed ?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8