8. The relative mass of carbon is 3/8 that of an oxygen molecule. How many grams of carbon are needed to have the same number of particles as found in 32 grams of oxygen molecules? 3 to 8 0 (A) 12 g hal tufn (B) 32 g (C) 3/8 g to book refer (D) 3 g
8. The relative mass of carbon is 3/8 that of an oxygen molecule. How many grams of carbon are needed to have the same number of particles as found in 32 grams of oxygen molecules? 3 to 8 0 (A) 12 g hal tufn (B) 32 g (C) 3/8 g to book refer (D) 3 g
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Can you help answer questions number 8? Please help explain.
Transcribed Image Text:5.
Which is greater: 1.01 amu of hydrogen or 1.01 grams of hydrogen?
(A) Y.01 grams-of hydrogen is greater than 1.01 amu of hydrogen
(B) 1.01 amu of hydrogen is greater than 1.01 grams of hydrogen.
(C) 1.01 grams of hydrogen and 1.01 amu of hydrogen have the same mass.
(D) Not enough information information is provided.
6. Which has more atoms: 17.031 grams of ammonia, NH3, or 72.922 grams of hydrogen
chloride, HCl?
(A) 17.031 grams of ammonia.
(B) 72.922 grams of hydrogen chloride.
(C) The have about the same number of atoms.
(D) None of the above
7. Seven grams of nitrogen, N2, (N, atomic mass 14 amu) contains
0. Somoles
of nbry
atons
(A) 0,30 moles of nitrogen atoms
N > 14
(B) 1.0 moles of nitrogen atoms
N2-728
(C) 0.25 moles of nitrogen atoms
(D) 0.75 moles of nitrogen atoms nm =
The relative mass of carbon is 3/8 that of an oxygen molecule. How many grams of
8.
carbon are needed to have the same number of particles as found in 32 grams of oxygen
molecules?
3 to 8 0
hal tafn
brok
(A) 12 g
(B) 32 g
refer to
(C) 3/8 g
(D) 3 g
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