3.72 Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and water: Cr,O3(s) + 3H,S(g) Cr,S3(s) + 3H2O(1) - To produce 421 g of Cr,S3, how many (a) moles of Cr,O3 and (b) grams of Cr,O3 are required? 3.73 Calculate the mass (g) of each product formed when 43.82 g of diborane (B,H6) reacts with excess water: B,H6(g) + H20(1) → H;BO3(s) + H2(g) [unbalanced] |
3.72 Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and water: Cr,O3(s) + 3H,S(g) Cr,S3(s) + 3H2O(1) - To produce 421 g of Cr,S3, how many (a) moles of Cr,O3 and (b) grams of Cr,O3 are required? 3.73 Calculate the mass (g) of each product formed when 43.82 g of diborane (B,H6) reacts with excess water: B,H6(g) + H20(1) → H;BO3(s) + H2(g) [unbalanced] |
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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3.71 Potassium nitrate decomposes on heating, producing potas-
sium oxide and gaseous nitrogen and oxygen:
an
sh
4KNO3(s)
2K20(s) + 2N½(8) + 502(g)
af
To produce 56.6 kg of oxygen, how many (a) moles of KN03 and
(b) grams of KNO3 must be heated?
3.72 Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas
to form chromium(III) sulfide and water:
Cr,O3(s) + 3H,S(g)
Cr,S3(s) + 3H2O(1)
To produce 421 g of Cr,S3, how many (a) moles of Cr,O3 and
(b) grams of Cr,O3 are required?
3.73 Calculate the mass (g) of each product formed when 43.82 g
of diborane (B,H) reacts with excess water:
B,H,(g) + H,O(1)
H;BO3(s) + H2(g) [unbalanced]
>
3.74 Calculate the mass (g) of each product formed when 174 g of
silver sulfide reacts with excess hydrochloric acid:
Ag,S(s) + HCI(aq)
AgCl(s) + H,S(g) [unbalanced]
3.75 Elemental phosphorus occurs as tetratomic molecules, P4.
What mass (g) of chlorine gas is needed to react completely with
455 g of phosphorus to form phosphorus pentachloride?
3.76 Elemental sulfur occurs as octatomic molecules, Sg. What
mass (g) of fluorine gas is needed to react completely with 17.8 g
of sulfur to form sulfur hexafluoride?
3.77 Solid iodine trichloride is prepared in two steps: first, a
nhlorine to form solid](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F878f7b50-6050-483a-af47-6a6f18eb659f%2F280ca1ad-d7bb-4f72-b9df-2f5b5b0ebaef%2Fsp30o1i_processed.jpeg&w=3840&q=75)
Transcribed Image Text:nbook.ir/edu
3.71 Potassium nitrate decomposes on heating, producing potas-
sium oxide and gaseous nitrogen and oxygen:
an
sh
4KNO3(s)
2K20(s) + 2N½(8) + 502(g)
af
To produce 56.6 kg of oxygen, how many (a) moles of KN03 and
(b) grams of KNO3 must be heated?
3.72 Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas
to form chromium(III) sulfide and water:
Cr,O3(s) + 3H,S(g)
Cr,S3(s) + 3H2O(1)
To produce 421 g of Cr,S3, how many (a) moles of Cr,O3 and
(b) grams of Cr,O3 are required?
3.73 Calculate the mass (g) of each product formed when 43.82 g
of diborane (B,H) reacts with excess water:
B,H,(g) + H,O(1)
H;BO3(s) + H2(g) [unbalanced]
>
3.74 Calculate the mass (g) of each product formed when 174 g of
silver sulfide reacts with excess hydrochloric acid:
Ag,S(s) + HCI(aq)
AgCl(s) + H,S(g) [unbalanced]
3.75 Elemental phosphorus occurs as tetratomic molecules, P4.
What mass (g) of chlorine gas is needed to react completely with
455 g of phosphorus to form phosphorus pentachloride?
3.76 Elemental sulfur occurs as octatomic molecules, Sg. What
mass (g) of fluorine gas is needed to react completely with 17.8 g
of sulfur to form sulfur hexafluoride?
3.77 Solid iodine trichloride is prepared in two steps: first, a
nhlorine to form solid
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