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Significant Figures and the Metric System
Matter and the Atom
The Periodic Table and Nomenclature
Chemical Reactions and Chemical Structure
Moles and Chemical Equation Calculations
100
The number 0.2350 has ______ significant digits.
What is 4.
100
The three states of matter.
What is gas, liquid, and solid.
100
The chemical name for Fe(SO4).
What is iron(II) sulfate.
100
The coefficients for the balanced chemical equation: Al2(SO4)3(aq)+Ba(NO3)2(aq)-->BaSO4(s)+Al(NO3)3(aq)
What is 1, 3, 3, 2.
100
The molarity of silver nitrate precipitate produced from 50.0 mL of 0.100 M magnesium bromide that reacts completely with 13.9 mL of silver nitrate solution.
What is 0.719 M.
200
The number 200 has _______ significant digits.
What is 1.
200
Describes three properties of a liquid.
What is a substance that does not compress significantly, has a variable shape, and has a fixed volume.
200
The general trend on the periodic table for ionization energy.
What is increases from left to right, increases from bottom to top.
200
The product of the reaction: NaOHaq + HCl(aq)
What is NaCl(aq) + H2O(l)
200
The volume of ammonia that reacted at STP with 25.0 L of nitrogen monoxide gas at STP according to the chemical reaction: NH3(g) + O2(g) --> NO(g) + H2O(g)
What is 25.0 L.
300
The mass of 3.25 g in kilograms.
What is 0.00325 kg.
300
Are the shapes of an s-orbital and p-orbital, respectively.
What is a sphere and a dumbbell.
300
The chemical formula for magnesium chloride.
What is MgCl2
300
What is the product of the reaction: Fe(s) + ZnSO4(aq)
What is no reaction.
300
The mass of sulfur trioxide produced when 1.00 kg of sulfur and excess oxygen gas are reacted in the following process: S(g) + O2(g) --> SO2(g) 2SO2(g) + O2(l) --> 2SO3(g) SO3(g) + H2O(l) --> H2SO4(g)
What is 2.50 kg.
400
The temperature unit used for all calculations using gas law equations such as PV=nRT, P1/T1=P2/T2, P1V1/T1=P2V2/T2.
What is Kelvin (K).
400
The number of p+, n0, and e- in chlorine-35.
What is 17, 18, and 17.
400
The chemical formula for the carbonate ion.
What is CO32-
400
The electron dot diagram and bonding for H2(aq)CO
What is _____, two single C-H bonds, and one double C=O bond.
400
The molar mass of an unknown gas from an experiment that yields a value of 1.45 g/L at 100 C and 0.989 atm.
What is 44.8 g/mol.
500
The number of molecules in 12.0 mL of 1.8 M NaOH.
What is 1.3 x 1022 molecules NaOH.
500
The electron configuration of iron.
What is 1s22s22p63s23p64s23d6
500
The general trend on the periodic table for metallic character.
What is increases from left to right, increases from bottom to top.
500
The molecular shape of H2CO.
What is trigonal planar.
500
The yield of NO2(g) when 45.0 mL of nitrogen gas react with 65.0 mL of oxygen gas according to the equation: N2(g) + O2(g) --> NO2(g).
What is 65 mL.