Chemistry, 22.03.2021 18:20 unruhlsY25
A child’s bike containing 5.25 kg of iron rusts according to the thermochemical equation shown here:
4Fe + 3O2 --> 2Fe2O3, Delta H = -1648 kJ
How many kJ of heat will be produced if all of the iron is oxidized? Round your answer to the nearest thousands, such as 25,000. Do not write the units.
Answers: 3
Chemistry, 21.06.2019 21:30
An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.
Answers: 3
Chemistry, 22.06.2019 03:50
Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 04:20
Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h
Answers: 1
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
A child’s bike containing 5.25 kg of iron rusts according to the thermochemical equation shown here:...
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
English, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Physics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
English, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01
Mathematics, 13.09.2020 14:01