Question 18 (5 points)
(03.06 MC)
Which statement is true about oxygen and rocks? (5 points)<...
Chemistry, 08.01.2021 09:30 genyjoannerubiera
Question 18 (5 points)
(03.06 MC)
Which statement is true about oxygen and rocks? (5 points)
a
Both are mixtures.
Both are pure substances.
Oxygen is a mixture and a rock is a pure substance.
d
Oxygen is a pure substance and rocks are mixtures.
Answers: 3
Chemistry, 22.06.2019 14:50
Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 ร 10^-4 amu speed of light = 2.9979 ร 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.
Answers: 2
Chemistry, 22.06.2019 16:50
What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
Answers: 2
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