Muriatic acid is the commercial name for hydrochloric acid that can be purchased from hardware stores as a solution that is 30%(w/w) hcl. what mass of this solution contains 7.5g of hcl? ,

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

What does it mean to be a biotic factor

Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal