Final_VerA_key-1

Final_VerA_key-1 - final Key Version #A 1. When the...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
final Key Version #A 1. When the following equation is balanced with the smallest integral coefficients, the coefficient of the HCl(g) is ______. H 2 O(l) + SO 2 Cl 2 (l) HCl(g) + SO 3 (g) a. 1 B. 2 c. 3 d. 4 e. 5 Goldberg - 008 Chapter. .. #1 2. How many significant digits are there in 0.00011 cm? a. an uncertain number B. 2 c. 5 d. 6 e. some other answer Goldberg - 002 Chapter. .. #51 3. How many moles of hydrogen atoms are present in 175 g of (NH 4 ) 3 PO 4 ? a. 10.2 mol B. 14.1 mol c. 1.17 mol d. 0.851 mol e. 3.41 mol Goldberg - 007 Chapter. .. #24
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Calculate the mass of Ca(HCO 3 ) 2 that must be thermally decomposed to produce CaCO 3 plus 1.25 g of CO 2 . (Reactants: Ca(HCO 3 ) 2 , Products: CaCO 3 , CO 2 and H 2 O) a. 2.03 g b. 2.30 g c. 1.15 g d. 4.06 g E. 4.60 g Goldberg - 010 Chapter. .. #14 5. Calculate the mass of 7.00 x 10 24 CCl 4 molecules. A. 1.79 kg b. 13.2 g c. 1.16 g d. 4.55 x 10 22 g e. some other answer Goldberg - 007 Chapter. .. #20 6. Determine the number of grams of H 3 PO 4 that can be prepared by treating 11.5 g of PCl 5 with 8.05 g of H 2 O, according to the following equation: PCl 5 (s) + 4 H 2 O(l) H 3 PO 4 (l) + 5 HCl(g) a. 1.08 g b. 1.36 g c. 0.277 g d. 2.72 g E. 5.42 g Goldberg - 010 Chapter. .. #22 7. Calculate the number of moles of nitrogen gas that reacts with excess hydrogen gas to make 143 mol of ammonia. (Reactants: N 2 and H 2 , Products: NH
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/03/2011 for the course BIO 5A taught by Professor Zhu/cardullo/rao during the Fall '08 term at UC Riverside.

Page1 / 8

Final_VerA_key-1 - final Key Version #A 1. When the...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online