4. 100 mL of an NaOH solution is neutralized by 50 mL of a 0.5M HCl solution. What is the molarity of the NaOH solution? Please help with real answer

219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.