Answers: 1
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
Chemistry, 22.06.2019 12:00
In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =
Answers: 1
Chemistry, 22.06.2019 12:10
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 13:30
How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
Answers: 1
Describe the stages of water cycle...
Mathematics, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
English, 20.09.2020 06:01
Geography, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
Chemistry, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
Biology, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01