Chemistry

Chemistry, 24.09.2019 22:30, mckadams02

How many oxygen atoms are contained in the following chemical formula? 2agno3
a. 2
b. 3
c. 5
d. 6

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Biology, 21.06.2019 16:00, kathyc53

Every compound can be represented by a chemical formula. a chemical formula is the set of symbols showing the elements that make up a compound and their proportions. water’s chemical formula is h 2 2 o. that means a molecule of water contains two atoms of hydrogen and one atom of oxygen chemically bonded. a molecule is a group of two or more atoms bonded together. molecules can range in size from two to thousands of atoms. a molecule of a compound is the smallest unit of that compound. every molecule of water has all the physical and chemical properties of water. that’s because every molecule of water is made of the same elements in the same proportions: two hydrogen atoms and one oxygen! which of the following is a true statement? a every molecule of the same compound will have different properties. b every molecule of a compound has the same proportion of elements. c molecules can be physically separated into smaller units of a compound. d molecules cannot be represented by chemical formulae.

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Computers and Technology, 29.06.2019 04:00, demitae8839

Which statement describes the atoms in the molecule with the chemical formula na2co3? a. two atoms of sodium, two atoms of carbon, one atom of oxygen b. two atoms of sodium, one atom of carbon, three atoms of oxygen c. one atom of hydrogen, one atom of chlorine, three atoms of oxygen d. two atoms of nitrogen, four atoms of carbon, three atoms of oxygen

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Chemistry, 16.07.2019 11:30, mothertrucker2828

The chemical formula for water, h2o, means that each water molecule contains a. two hydrogen atoms and two oxygen atoms. b. two hydrogen atoms and one oxygen atom. c. two hydrogen atoms and zero oxygen atoms. d. one hydrogen atom and two oxygen atoms. select the best answer from the choices provided a b c d

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Physics, 25.07.2019 05:40, Zgt

Consider the incomplete chemical equation, co2(g) + h2o(l) → ? assuming the reactants are balanced and we start with 5 carbon dioxide molecules and 10 water molecules, how many oxygen atoms would you expect to find in the products? a) 10 oxygen atoms b) 15 oxygen atoms c) 20 oxygen atoms d) 25 oxygen atoms

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How many oxygen atoms are contained in the following chemical formula? 2agno3
a. 2
b....

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