Which statements correctly describe chemical reactions? Select all that apply.
A. If the...
Chemistry, 31.03.2020 00:26 zacheryjohnson
Which statements correctly describe chemical reactions? Select all that apply.
A. If the reactants include 5 atoms of Fe, then the products must include 5 atoms of Fe.
B. If the reactants include 3 molecules of CO, then the products must include 3 molecules of CO
C. If the reactants include an aluminum atom, then the products must include an aluminum atom.
D. If the reactants include water, then the products must include water.
E. If there are a total of 15 atoms in the reactants, there must be a total of 15 atoms in the products.
F. If there are a total of 6 molecules in the reactants, there must be a total of 6 molecules in the products.
Answers: 2
Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
Chemistry, 22.06.2019 22:00
The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.
Answers: 2
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Physics, 19.05.2021 22:20
Mathematics, 19.05.2021 22:20
Mathematics, 19.05.2021 22:20
Social Studies, 19.05.2021 22:20
Biology, 19.05.2021 22:20
Mathematics, 19.05.2021 22:20
Mathematics, 19.05.2021 22:20
Chemistry, 19.05.2021 22:20
Mathematics, 19.05.2021 22:20