Author Question: 100. cal of heat are added to 10 g of ethanol (0.581 cal/g C) originally at 15 C. The final ... (Read 216 times)

ishan · **on:** Aug 27, 2018

100. cal of heat are added to 10 g of ethanol (0.581 cal/g C) originally at 15 C. The final temperature is ________.

A) 17 C
B) 27 C
C) 32 C
D) 38 C

Question 2

Assume air has an average molar mass of 28 grams/mole, and determine how many moles of air molecules there are 1.0 liters of air, which contains 1.26 grams of air molecules.

A) 28 moles
B) 0.45 mole
C) 0.045 mole
D) 22.4 moles