General Chemistry Final Questions & Answers

General Chemistry Final Questions & Answers - CORRECT ANSWER - 3.13 if 856 g of C6H12O6 is consumed, what is the mass of CO2 produced? - CORRECT ANSWER - 3.15 In one process, 637.2 g of NH3 are treated with 1142 g of CO2 - CORRECT ANSWER - 3.2 How many moles of He atoms are in 6.46 g of He? - CORRECT ANSWER - 3.3 How many grams of Zn are in 0.356 mole of Zn? - CORRECT ANSWER - 3.4 How many atoms are in 16.3 g of S? - CORRECT ANSWER - 3.6 How many moles of CH4 are present in 6.07 g of CH4? - CORRECT ANSWER - 3.7 How many hydrogen atoms are present in 25.6 g of urea (NH2)2CO? The molar mass of urea is 60.06 g. - CORRECT ANSWER - 4.7 How many grams of potassium dichromate K2Cr2O7 are required to prepare a 250 mL solution whose concentration is 2.16 M? - CORRECT ANSWER - 4.8 A chemist needs to add 3.81 g of glucose to a reaction mixture. Calculate the volume in milliliters of a 2.53 M glucose solution she should use for the addition - CORRECT ANSWER - A race car has a maximum speed of 0.104 km/s. What is this speed in miles per hour? - CORRECT ANSWER - Net Ionic Equations - CORRECT ANSWER - One of the fastest pitches ever thrown in Major League Baseball was by Aroldis Chapman and had a velocity of 105.1 miles/hour. How many seconds did it take this pitch to travel the 60 feet and 6 inches from the pitcher's mound to home plate? (1 mile=5280 feet) - CORRECT ANSWER - Percent Composition and Empirical Formulas