CHEM 1010: FUNDAMENTALS OF CHEMISTRY EXAM 1

Question 1 Which of the following setups would convert centimeters to feet? A) cm × × B) cm × × C) cm × × D) cm × × Question 2 The distance between carbon atoms in ethylene is 134 picometers. Which of the following expresses that distance in meters? A. 1.34 × 10–13 m B. 1.34 × 10–12 m C. 1.34 × 10–10 m D. 1.34 × 10–7 m 3 | P a g e Question 3 A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g. What is the density of concentrated sulfuric acid? (Assume water has a density of 1.00 g/cm3 at the temperature of the measurement.) A. 1.992 g/cm3 B. 1.840 g/cm3 C. 1.729 g/cm3 D. 1.598 g/cm3 Question 4 The metric system is a measurement system that is A) the official system for all nations