Only100 please 3.99 An intermediate step in the production of nitric acid involvesthe reaction of ammonia with oxygen gas to form nitrogen mon-oxide and water. How many grams of nitrogen monoxide canform in the reaction of 485 g of ammonia with 792 g of oxygen?3.100/Butane gas is compressed and used as a liquid fuel in dis-posable cigarette lighters and lightweight camping stoves. Sup-pose a lighter contains 5.50 mL of butane (d = 0.579 g/mL).(a) How many grams of oxygen are needed to burn the butanecompletely?(b) How many moles of H,O form when all the butane burns?(c) How many total molecules of gas form when the butane burnscompletely?3.101 Sodium borohydride (NaBH4) is used industrially in manyorganic syntheses. One way to prepare it is by reacting sodiumhydride with gaseous diborane (B2H6). Assuming an 88.5% yield,how many grams of NaBH, can be prepared by reacting 7.98 g ofsodium hydride and 8.16 g of diborane?Comprehensive Problems3.102 The mole is defined in terms of the carbon-12 atom. Use thedefinition to find (a) the mass in grams equal to 1 atomic massunit; (b) the ratio of the gram to the atomic mass unit.3.103 The first sulfur-nitrogen compound was prepared in 1835and has been used to synthesize many others. In the early 1980s,researchers made another such compound that conducts electric-ity like a metal. Mass spectrometry of the compound shows amolar mass of 184.27 g/mol, and analysis shows it to contain2.288of S for every 1.000 g of N. What is its molecularformula?3.104 Hydroxyapatite, Cas(PO4)3(OH), is the main mineral

Density = mass / volume Equation representing combustion of butane: 2 C4H10 + 13 O2 → 8 CO2 + 10 H2O…

3.100 Butane gas is compressed and used as a liquid fuel in dis- posable cigarette lighters and lightweight camping stoves. Sup- pose a lighter contains 5.50 mL of butane (d= 0.579 g/mL). (a) How many grams of oxygen are needed to burn the butane completely? (b) How many moles of H,O form when all the butane burns? (c) How many total molecules of gas form when the butane burns completely?

3.100 Butane gas is compressed and used as a liquid fuel in dis- posable cigarette lighters and lightweight camping stoves. Sup- pose a lighter contains 5.50 mL of butane (d= 0.579 g/mL). (a) How many grams of oxygen are needed to burn the butane completely? (b) How many moles of H,O form when all the butane burns? (c) How many total molecules of gas form when the butane burns completely?

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter4: Molecules, Compounds, And Chemical Reactions

Section: Chapter Questions

Problem 35E: The active ingredient in aspirin is acetylsalicylic acid, which has the chemical formula C9H8O4. An...

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The active ingredient in aspirin is acetylsalicylic acid, which has the chemical formula C9H8O4. An aspirin pill contains 300.0 mg of acetylsalicylic acid. How many moles of acetylsalicylic acid does it contain?
For the following reaction: Aℓ + Fe2O3 → Aℓ2O3 + Fe If 5.0g of Aℓ is added to 7.1g of Fe2O3, what is the limiting reactant? a. Al b. Fe2O3 c. There is no limiting reactant
A major component of gasoline is octane C8H18 . When octane is burned in air, it chemically reacts with oxygen gas O2 to produce carbon dioxide CO2 and water H2O . What mass of octane is consumed by the reaction of 6.2g of oxygen gas?
The human body excretes nitrogen in the form of urea,NH₂CONH₂. The key biochemical step in urea formation is thereaction of water with arginine to produce urea and ornithine.(a) What is the mass percent of nitrogen in urea, arginine, andornithine? (b) How many grams of nitrogen can be excreted asurea when 135.2 g of ornithine is produced?
Hydrazine (N2H4) and hyfrogen peroxide (H2O2) have been used as rockets propellants. They react according to the following equiation. 7H2O2 + N2H4 --> 2HNO3 + 8H2O a) When 76 kg of hydrazine react, hoe many grams of nitric acid can be formed? b)When 289 mL of hydrogen peroxide (d= 1.41 g/mL) recat, how many grams of water can be formed? c)how many grams of hydrinaze will be required to react with 765 g of hydrogen peroxide? d)How many grams of water can be produced when 204 g hydrazine combined with 175 g hydrogen peroxide? e) How many of the exceess reactant in part (d) are left unreacted?
one of the commercial uses of sulfuric acid is the production of calcium sulfate and phosphoric acid. if 20.0g of Ca3(PO4)2 reacts with 54.3g of H2SO4, what is the percent yield if 10.9g of H3PO4 is formed via the UNBALANCED equation below? Ca3(PO4)2(s)+ H2SO4(aq)= H3PO4(aq)+ CaSO4(aq)
Solid lead (II) sulfate reacts with solid lead (II) oxide to form solid lead and sulfur dioxide gas. if 33.8 g of lead (II) oxide reacts with 57.3 g of lead (II) sulfide, how many grams of lead are produced? #3 - what is the limiting reagant? #4 - what is the mass in grams of the excess reagant left over at the end of the reaction? #5 - Jay Chemist conducted the reaction aboge and isolated 44.6 grams of lead. What is the percnt yield of the reaction?
1. Sodium Hydroxide (NaOH) reacts with phosphoric acid (H3PO4) to form sodium phosphate (Na3PO4) and water (H2O) by the reaction NaOH(aq) + H3PO4 (aq) → Na3PO4 (aq) + H2O (l) if 25.60 grams of NaOH is reacted with 20.80 grams of H3PO4, a. How many grams of Na3PO4 are formed?b. What is the limiting reactant? c. How many grams of the excess reactant remains when the reaction is complete?2. Potassium superoxide, KO2, is used in rebreathing masks to generate oxygen according to the reaction below. If the mask contains 0.150mol KO2 and 0.100ml mol water, how many moles of oxygen can be produced? What is the limiting reagent?KO2 (s) + H2O (l) → KOH (s) + O2(g)
When wine is not properly stored, it can undergo oxidative fermentation, where ethanol C2H6O reacts with oxygen O2 to produce acetic acid C2H4O2 and water H2O, according to the given balanced equation. →+C2H6Oaq + O2g --> C2H4O2aq + H2Ol How many grams of water H2O are formed from 0.30mol of ethanol C2H6O? Be sure your answer has the correct number of significant figures.
1.) 1.87 g of acetic acid (vinegar, C2H4O2) reacts with 2.13 g of isopentyl alcohol (C5H12O) to yield isopentyl acetate (C7H14O2), a fragrant substance with the odor of bananas. The reaction is: C2H4O2 + C5H12O ⎯→ C7H14O2 + H2O a.) Which are the limiting reactant (LR) and excess reactant (ER)? b.) How many grams of isopentyl acetate was formed? c.) How many grams of the excess reactant are left after the reaction is complete? d.) If 2.96 g of isopentyl acetate was produced, what is the % yield of the reaction?
Diethyl ether (C4H10O)(C4H10O), the "ether" used medically as an anesthetic, is prepared commercially by treatment of ethyl alcohol (C2H6O)(C2H6O) with an acid. Part A) How many grams of diethyl ether would you obtain from 58.8 gg of ethyl alcohol if the percent yield of the reaction is 90.0 %% ? Express answer in appropriate units. 2C2H6O(l)Ethyl alcohol−→−AcidC4H10O(l)Diethyl ether+H2O(l) Part B) How many grams of ethyl alcohol would be needed to produce 102.7 gg of diethyl ether if the percent yield of reaction is 90.0 %% ?
Gaseous methane CH4 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . What is the theoretical yield of water formed from the reaction of 8.98g of methane and 46.9g of oxygen gas? Be sure th answer has FOUR significant digits in it.