Chemistry, 05.01.2020 13:31 khliyahmccaskil
If 10.7 grams of nh4cl is dissolved in enough water to make 800 ml of solution, what will be it's molarity
Answers: 3
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 22.06.2019 17:50
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Chemistry, 23.06.2019 00:30
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
Answers: 1
If 10.7 grams of nh4cl is dissolved in enough water to make 800 ml of solution, what will be it's mo...
Mathematics, 05.05.2020 13:58
Mathematics, 05.05.2020 13:58
Mathematics, 05.05.2020 13:58
Biology, 05.05.2020 13:58
Mathematics, 05.05.2020 13:58
Mathematics, 05.05.2020 13:58
Health, 05.05.2020 13:58