Chemistry, 07.03.2020 01:41 cupcake3103670
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1. Our bodies exhale carbon dioxide (CO 2 ). Carbon dioxide . (more than one answer)
A.) is a compound
B.) has two atoms of oxygen
C.) is made of oxygen and carbon
D.) is an element
E.) has two molecules of oxygen
2. Atomic mass is calculated by adding(protons, electrons, OR isotopes) and(molecules, protons, OR neutrons).
3. The chemical formula for magnesium oxide is 2MgO. The number 2 represents the number of ___.
A.) oxygen atoms
B.)magnesium atoms
C.)magnesium oxide molecules
Answers: 1
Chemistry, 22.06.2019 05:00
What forms when chemical reactions combine pollution with sunlight?
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Chemistry, 22.06.2019 13:30
In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.
Answers: 2
Chemistry, 22.06.2019 16:10
Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?
Answers: 1
I needed more help on my assignment soo
1. Our bodies exhale carbon dioxide (CO 2 ). Car...
1. Our bodies exhale carbon dioxide (CO 2 ). Car...
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