Bimethylhydrazine, the fuel used in the Apollo lunar descent module, has a molar mass of 60.10 g/mol. It is made up of carbon, hydrogen, and nitrogen atoms. The combustion of 3.302 g of the fuel in excess oxygen yields 4.839 g of carbon dioxide and 3.959 g of water. What are the simplest and molecular formulas for dimethylhydrazine? (Enter the elements in the order: C, H, N.) The simplest formula is CH,O The molecular formula is C,H O, An error has been detected in vour

Bimethylhydrazine, the fuel used in the Apollo lunar descent module, has a molar mass of 60.10 g/mol. It is made up of carbon, hydrogen, and nitrogen atoms. The combustion of 3.302 g of the fuel in excess oxygen yields 4.839 g of carbon dioxide and 3.959 g of water. What are the simplest and molecular formulas for dimethylhydrazine? (Enter the elements in the order: C, H, N.) The simplest formula is CH,O The molecular formula is C,H O, An error has been detected in vour

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter3: Mass Relations In Chemistry; Stoichiometry

Section: Chapter Questions

Problem 32QAP: Hexachlorophene, a compound made up of atoms of carbon, hydrogen, chlorine, and oxygen, is an...

See similar textbooks

Similar questions

Hexachlorophene, a compound made up of atoms of carbon, hydrogen, chlorine, and oxygen, is an ingredient in germicidal soaps. Combustion of a 1.000-g sample yields 1.407 g of carbon dioxide, 0.134 g of water, and 0.523 g of chlorine gas. What are the mass percents of carbon, hydrogen, oxygen, and chlorine in hexachlorophene?
itamin B12 , cyancobalamin, is essential for human nutrition. Its molecular formula is C63H88CoN14O14P . A lack of this vita min in the diet can lead to anemia. Cyanocohalamin is the form of the vitamin found in vitamin supplements. l type='a'> What is the molar mass of cyanocobalamin to two decimal places? How many moles of cyanocohalamin molecules are present in 250 mg of cyanocobalamin? What is the mass of 0.60 mole of cyanocobalamin? How many atoms of hydrogen are in 1 .0 mole of cyanocobalamin? What is the mass of 1.0107 molecules of cyanocobalamin? What is the mass (in grams) of one molecule of cyanocobalamin?
Solid calcium carbide (CaC2)reacts with liquid water to produce acetylene gas (C2H2)and aqueous calcium hydroxide. l type='a'> Write the balanced equation for the reaction that is (occurring. including all phases. If a 100.0-g sample of calcium carbide (CaC2)is initially reacted with 50.0 g of water, which reactant is limiting? Prove that mass is conserved for the reactant amounts used in pan b.
Cyanogen gas, C2N2, has been found in the gases of outer space. It can react with fluorine to form carbon tetrafluoride and nitrogen trifluoride. C2N2(g)+7F2(g)2CF4(g)+2NF3(g)(a) How many moles of fluorine react with 1.37 mol of cyanogen? (b) How many moles of CF4 are obtained from 13.75 mol of fluorine? (c) How many moles of cyanogen are required to produce 0.8974 mol of NF3? (d) How many moles of fluorine will yield 4.981 mol of nitrogen trifluoride?
Sodium borate decahydrate, Na2B4O710H2O is commonly known as borax. It is used as a deodorizer and mold inhibitor. A sample weighing 15.86 g is heated until a constant mass is obtained indicating that all the water has been evaporated off. (a) What percent, by mass of Na2B4O710H2O is water? (b) What is the mass of the anhydrous sodium borate, Na2B4O7?
Nicotine is found in tobacco leaf and is mainly responsible for the addictive property of cigarette smoking. Nicotine is made up of carbon, hydrogen, and nitrogen atoms. When a 2.500-g sample of nicotine is burned, 6.782 g of CO2 and 1.944 g of H2O are obtained. What is the simplest formula for nicotine?
Washing soda, a compound used to prepare hard water forwashing laundry, is a hydrate, which means that a certainnumber of water molecules are included in the solid structure.Its formula can be written as Na2CO3 . xH2O, where x isthe number of moles of H2O per mole of Na2CO3. When a2.558-g sample of washing soda is heated at 125 °C, all thewater of hydration is lost, leaving 0.948 g of Na2CO3. What isthe value of x?
A florist prepares a solution of nitrogen-phosphorus fertil-izer by dissolving 5.66 g of NH₄NO₃ and 4.42 g of (NH₄)₃PO₄ in enough water to make 20.0 L of solution. What are the molar-ities of NH₄⁺ and of PO₄³⁻ in the solution?
Sulfur dioxide is a major industrial gas used primarily forthe production of sulfuric acid, but also as a bleach and food pre-servative. One way to produce it is by roasting iron pyrite (irondisulfide, FeS₂) in oxygen, which yields the gas and solidiron(III) oxide. What mass of each of the other three substancesis involved in producing 1.00 kg of sulfur dioxide?
K2HPO4 is a highly water-soluble salt that is used as a buffering agent, fertilizer, and foodadditive. It can be formed by the neutralization of phosphoric acid with potassiumhydroxide: H3PO4 + 2 KOH → K2HPO4 + 2 H2O A chemical manufacturer uses 100 grams of phosphoric acid and excess KOH. Fromcalculations, they expect to produce 265 grams of K2HPO4. After the reaction, they hadactually produced only 177 grams of K2HPO4. What is their percent yield? Round answer to the nearest tenths place.
Benzocaine, also known as ethyl p-aminobenzoate, C₉H11NO2 is a topical anesthetic used totreat a range of conditions such as sunburn, bites, stings and a range of rashes. It is also used incondoms to reduce premature ejaculation. a) Calculate the percentage nitrogen in benzocaine. b) How many molecules are in a sample of pure benzocaine, if a sample weighs550mg? HINT: Avogadro’s number 1 mole = 6.022×1023 particles c) If you were to prepare 100mL of a 0.26M solution of Benzocaine, determine themass of benzocaine required.
A 0.200-g sample of protactinium(IV) oxide is converted to another oxide ofprotactinium by heating in the presence of oxygen to give 0.2081 g of the new oxide,PaxOy. Determine the values of x and y.