General Chemistry 1
Quiz by Mary Rose Dequito
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30 questions
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- Q11. The mass of an atom expressed in atomic mass units (a. m. u) .Atomic massmolepercent weightelectrons60s
- Q22. The number of particles ( molecules, atoms, compounds) per mole of substance.Avogadro's numberformula weightmolar masspercent weight60s
- Q33. SI unit for the number of particles in a specific substance.kilogramsMolepoundsangstrom60s
- Q44. The molecular mass of carbon tetrachloride.183.42g/moles173.52g/moles153.42g/moles163.52g/moles120s
- Q55. The formula mass of sodium chloride ( NaCl ).38.45g/mol58.45 g/mol28.45 g/mol48.45g/mol120s
- Q66. The atoms and molecules that undergo chemical change are known as________.Reactantsingredientschemicalsproducts60s
- Q77. A shorthand way of writing a chemical reaction.Mathematical equationAlgebraic expressionsChemical EquationChemical Formulas60s
- Q88. The science of quantitative relationships in a chemical reactions about the masses of reactants & products.StoichiometryQuantum ScienceInorganic ChemistryAlgorithims60s
- Q99. The atomic mass of 1.008 a.m.u belongs to_________.HydrogenHeliumLithiumBeryllium60s
- Q1010. The molecular mass for water.18.00g/mole35.45g/mole10.00g/mole28.00g/mole120s
- Q1111. The molecular mass for gold .207.00 g/mole180.16g/mole146.45g/mol196.97 g/mole120s
- Q1212. Describes a gas as large number of particles, atoms or molecules ,found to be in constant , random motion.John Dalton's Atomic TheoryKinetic Molecular Theory of GasLaw of Conservation of MassLaw of Conservation of Energy60s
- Q1313. Iron reacts with oxygen gas the product is ferric oxide. The correct coeficient for this equation to be balance are:2,3& 22,3 & 44,3 & 24, 6, 2120s
- Q1414. Iron reacts with nitric acid (HNO3) the result is ferric ( Fe(NO3)3 nitrate and hydrogen gas. The correct coefficients to balance this equation are:1, 6,2& 34, 3,2 &32,6, 2 & 32, 3 ,2& 3120s
- Q1515. A reaction in which one element replaces a similar elements in a compound.Double ReplacementDecompositionSingle ReplacementCombination reaction45s