QUIZ 1 (CHEB 114)
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QUIZ 1-1 NAME:____________________________ 1. 2. ID:___________ SECTION : _________ Fill in the boxes with the correct answers: (½ ο΄ 8 = 4 points) Symbol 40 2+ 20πΆπ 80 – 35π΅π 209 84ππ Protons 20 35 84 Neutrons 20 45 125 Electrons 18 36 84 Net Charge +2 –1 0 Fill in the table below with the correct names or formulas: (½ ο΄ 8 = 4 points) Name Chemical formula Name Chemical formula Magnesium perchlorate Mg(ClO4)2 Barium chloride dihydrate BaCl2ο2H2O Ammonium hydrogen phosphate (NH4)2HPO4 Hypobromous acid HBrO(aq) Lead(II) nitride Pb3N2 Tetraphosphorus decasulfide P4S10 Cupric sulfite or copper(II) sulfite CuSO3 Carbon disulphide CS2 3. Imagine that water is leaking from a container at a rate of 1.2 mL per hour. If this rate does not change, how many liters of water will be lost in a week? (2 points) π. π ππ³ ππ πππππ π π πππ ππ³ π³ × × × = π. ππππ π ππππ π π ππ π ππππ ππππ ππ³ ππππ QUIZ 1-2: NAME:____________________________ 1. 2. ID:___________ SECTION : _________ Fill in the boxes with the correct answers: (½ ο΄ 8 = 4 points) Symbol 96 42ππ 64 2+ 29πΆπ’ 27 3+ 13π΄π Protons 42 29 13 Neutrons 54 35 14 Electrons 42 27 10 Net Charge 0 +2 +3 Fill in the table below with the correct names or formulas: (½ ο΄ 8 = 4 points) Name Chemical formula Name Chemical formula Magnesium hypochlorite Mg(ClO)2 Lithium chloride monohydrate LiClοH2O Calcium hydrogen carbonate or calcium bicarbonate Ca(HCO3)2 Perbromic acid HBrO4 (aq) Mercury(II) oxide HgO Selenium hexafluoride SeF6 Cuprous hydride or copper(I) hydride CuH Hydrogen bromide HBr (g) 3. A certain type of wood has a density of 0.40 g/cm3. What is the mass (in g) of the wood if the volume is 128 cubic feet? Given: 1 ft = 12 inches ; 1 inch = 2.54 cm. (2 points) ππ ππππππ π π. ππ ππ π π. ππ π πππ πππ × ( ) × ( ) × = π. ππ × πππ π π ππ π ππππ π πππ QUIZ 1-3: NAME:______________________ 1. 2. ID:___________ SECTION : _________ Fill in the boxes with the correct answers: (½ ο΄ 8 = 4 points) Symbol 84 36πΎπ 86 36πΎπ 32 2– 16π Protons 36 36 16 Neutrons 48 50 16 Electrons 36 36 18 Net Charge 0 0 –2 Fill in the table below with the correct names or formulas: (½ ο΄ 8 = 4 points) Name Chemical formula Name Chemical formula Magnesium chlorite Mg(ClO2)2 Magnesium sulphate heptahydrate MgSO4ο7H2O Barium hydrogen sulphate or barium bisulphate Ba(HSO4)2 Bromous acid HBrO2 (aq) Tin(II) sulfide SnS Iodine heptafluoride IF7 Ferric nitrite or ferum(III) nitrite or iron(III) nitrite Fe(NO2)3 Dihydrogen monoxide H2O 3. A particular sample of crude oil has a density of 0.85 g/mL. What is the mass of one barrel of this crude oil (in kg) if a barrel of oil is exactly 42 gallons? Given: 1 L = 0.22 gallons (2 points) ππ πππππππ × ππ³ ππππ ππ³ π. ππ π π ππ × × × = πππ. ππ ππ π. ππ πππππππ ππ³ π ππ³ ππππ π
