90 Answered Questions for the topic Chemical reactions
A coffee cup has a heat capacity of 62.6J∘C. If the coffee cup's temperature increases by 1.20∘C, how much heat has it absorbed?
An unknown metal absorbs 23.8J of heat, and its temperature increases by 15.4∘C. What is the heat capacity of the metal?
45.0 g of ice at –10.0 C is mixed with 325 g of water at 37.0 C. Calculate the final temperature of the mixture.
mixture of MnSO4 and MnSO4*4H20 has a mass of 2.005 g. After heating to drive off all the water the mass is 1.780 g. How many grams of MnSO4*4H20 are present in the mixture?
Find Chlorine gas formed and which reactant remains in excess. (Use dimensional analysis)
What mass of H2(g) is produced?
If 0.525 g of Fe2O3.xH2O are heated and 0.389 g of Fe2O3 are obtained
Chemical Reaction with density?
AP Chemistry Reaction HW Problem
Why are silver, lead, and mercury so special? (why do they always precipitate out and never dissolve)
why heat is formed when methanol mixed with water?
Chemistry chemical reaction rate questions
What is the heat capacity of a 30.0 gram sample of matter that cools off to 25c from 100c when 100.0 grams of 20c water are added to it?
Calculate the theoretical yield of salicylic acid when you start with 2.7 grams of methyl salicylate and an excess of sodium hydroxide. Assume complete conversi
If 34.19g of NaCl react with excess of AgNo3, how many molecules will be formed?
Order of Reaction and rate constant
chemical that would react with ribitol phosphate.
H2SO4 to SO3 in the desert
A Zn wire and Ag/AgCl reference electrode (E° = 0.197 V) are placed into a solution of ZnSO4.