Chemistry

0.02 moles of a certain aluminum compound has a mass of 1.56 g. This compound may be ________. A) ...

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When 2 liter of nitrogen gas reacts with 6 liters of hydrogen gas at constant temperature and ...

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Which set of compounds illustrates the Law of Multiple Proportions? A) NH3, PH3, AsH3 B) CH3, ...

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Which of the following will not have the same number atoms as the other three choices? A) K2Cr2O7 ...

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Under conditions of limited oxygen, carbon burns to form carbon monoxide, a poisonous gas. In ...

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Which of the following has 14 atoms per formula unit? A) (NH4)2SO3 B) Al(ClO4)3 C) Pb(CrO4)2 ...

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The number of atoms in 2.4 g of magnesium metal is ________. A) 6.0 1022 B) 3.7 1022 C) 2.5 ...

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Gay-Lussac's law of combining volumes states that the volumes of reactants and products are in small ...

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Adding a couple of drops of an aqueous KCl solution will ________. FeCl3 (aq) + KSCN (aq) = ...

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John Dalton discovered which of the following laws? A) The Law of Conservation of Mass B) The ...

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Adding H2O to the reaction vessel will ________. 2H2S (g) + 3O2 (g) = 2SO2 (g) + 2H2O (g) A) ...

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Atoms of the same element that have different masses are called A) allotropes. B) anions. C) ...

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The number of phosphorus atoms in one molecule of H3PO4 is ________. A) 1 B) 8 C) 6.02 1023 ...

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Avogadro's number is A) 6.02 1023 B) 6.02 10-23 C) 3.02 1026 D) 2.06 ...

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The total number of atoms in two moles SO3 is ________. A) 4 B) 8 C) 1.2 1024 D) 4.8 ...

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The mass of one formula unit of Al2(SO4)3 is ________ g. A) 342 B) 0.0029 C) 5.7 10-22 D) 8.0 ...

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One mole is of carbon is equal to A) 6.022 1023 atoms of carbons. B) 12.011 grams of carbon. ...

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Which of the following does NOT contain Avogadro's number of particles? A) 1.0 mole of silver B) ...

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Which of the following will shift the equilibrium to the left? 2H2S (g) + 3O2 (g) = 2SO2 (g) + ...

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Perhaps the greatest triumph of Mendeleev's periodic table was A) the use of rows and columns to ...

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Adding excess oxygen will ________. CH4 (g) + 2O2 (g) = CO2 (g) + 2H2O (g) A) shift the reaction ...

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The scientist who in 1828 published a table of atomic weights containing 54 elements was A) ...

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If oxygen is removed this will ________. CH4 (g) + 2O2 (g) = CO2 (g) + 2H2O (g) A) shift the ...

Started by madam-professor

The Periodic Table is helpful in all of the following endeavors but one. Which is the exception? ...

Started by Themember4

If the reaction vessel is expanded, this will ________. CH4 (g) + 2O2 (g) = CO2 (g) + 2H2O (g) ...

Started by Mr.Thesaxman