Chem 1110 final exam - Study guides, Class notes & Summaries

density formula -d = m/v m = mass v = volume temp conversions -K = C + 273 C = 5/9 (F - 32) F = (C x 9/5) + 32 average atomic mass formula -(mass A)(% abundance) + (mass B)(% abundance) molecular mass formula -(mass A)(# of atoms A) + (mass B)(# of atoms B) mass of element formula -(mass of element in sample / total mass of sample) * 100 molarity with moles formula -M = n/v M = molarity n = moles of solute v = liters of solution molarity with mass formula -(M)(m...

CHEM 1110 Final Exam Review passed 100%

CHEM 1110 Final Exam Review with Questions and Answers Air occupies space and has mass, therefore it is a. Energy b. Dense c. Colored d. Matter ANSWER d Which of the following represents a physical change in matter a. A substance solidifies at 443 b. A substance produces a gas when heated c. A substance burns when heated d. A substance changes color when exposed to air ANSWER a Which of the following terms correctly applies to a molecule of CO2 a. Triatomic, heteroatomic b. Po...

CHEM 1110: Final Exam Review (Past Exam Questions) with Answers Which of the following is not a pure substance? a.) air b.) sodium chloride c.) water d.) zinc ANSWER a.) air The result of the operation (23.259 - 3.000)*0.01010 should be reported as: a.) 0.2 b.) 0.20 c.) 0.205 d.) 0.2046 ANSWER d.) 0.2046 The number 0. in scientific notation is: a.) 3.461 x 10^-4 b.) 3.461 x 10^-5 c.) 3.461 x 10^5 d.) 34.61 x 10^-5 ANSWER b.) 3.461 x 10^-5 300 K equals a.) 573 °C b.) 19...