Chemistry, 06.02.2021 16:50, jesseniaindiaaoyr75n
There have been made 2 attempts of oxygen production by potassium permanganate. In the first attempt they have got 75ml oxygen in 3 minutes whearas there have been got 100ml in 5 minutes by the 2nd attempt. In what case the speed of the oxygen production is bigger??? Pls explain your answer
Answers: 2
Chemistry, 22.06.2019 16:00, matt16913
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
Chemistry, 22.06.2019 19:00, cindyroxana229
Nan element’s square on the periodic table, the number with the greatest numerical value represents the
Answers: 3
There have been made 2 attempts of oxygen production by potassium permanganate. In the first attempt...
Mathematics, 13.05.2021 18:20
Mathematics, 13.05.2021 18:20
Mathematics, 13.05.2021 18:20