Which of the following must be the same before and after a chemical reaction?
1. the total ma...
Chemistry, 06.12.2019 12:31 samiyahbass
Which of the following must be the same before and after a chemical reaction?
1. the total mass of the reactants and total mass of the products.
2. the number of molecules of each substance involved in the chemical reaction.
3. the number of atoms of each element involved in the chemical reaction.
a. 1,2,3 b. 1,3 c. 2,3 d.3
pls chose a, b,c or d pls send explaination if possible.
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 20:30
18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*
Answers: 1
Chemistry, 21.06.2019 22:00
Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron
Answers: 2
Chemistry, 22.06.2019 01:00
Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d
Answers: 1
Chemistry, 22.06.2019 08:30
If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?
Answers: 1
You know the right answer?
Questions
Social Studies, 10.03.2021 18:40
Mathematics, 10.03.2021 18:40
Computers and Technology, 10.03.2021 18:40
Biology, 10.03.2021 18:40
Physics, 10.03.2021 18:40
History, 10.03.2021 18:40
