CHEM 1010 FINAL EXAM 2026 |
COMPREHENSIVE Q&A FOR CERTIFICATION
SUCCESS
The observation that 20 g of hydrogen gas always combines with 160 g of oxygen
gas to form 180 g of water, even when there is more than 160 g of oxygen present
in the reaction container, illustrates the law of - correct-answer -definite
proportions
The melting point of tungsten, W, is 3683 K. What is this temperature on the
Celsius scale? - correct-answer -3410C
A piece of metal ( mass = 17.676 g) is placed in 11.00mL of chloroform in a 25-mL,
graduated cylinder. The chloroform level increases to 15.46 mL. The best value for
density of this metal from these data is: - correct-answer -3.96 g/mL
Which set of compounds illustrates the law of multiple proportions? - correct-
answer -CH4,C2H6,C3H8
A female student has a mass of 120 pounds. Her mass in kilograms is
approximately ------ kg. - correct-answer -50kg
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The prefix centi means - correct-answer -0.01
The daily dietary energy requirement for an adult is 2.00 x 10^3 kcal. This is
equivalent to how many Kj? (1 cal = 4.184J) - correct-answer -8.37 x 10^3kJ
Which is the largest mass? - correct-answer -10dg
Democritus proposed the "first" atomic view of matter. He arrived at this view
based on - correct-answer -philosophical and intuitive speculation
Lake Erie, the smallest of the Great Lakes by volume has a volume of 484 km3.
What is this volume in L? - correct-answer -4.84 x 10^14 L
Essentially all of the mass of an atom is due to the - correct-answer -protons and
neutrons