To oxidize nitrogen to nitric oxide, there should be high temperature. 4 - The metabolic disorder diabetes causes a buildup... Ch. 4 - You have 250. mL of 0.136 M HCl. Using a... Ch. 4.2 - The thermite reaction produces iron metal and... Ch. 4 - A mixture of butene, C4Hg, and butane, is burned... Ch. 4 - Two beakers sit on a balance; the total mass is... Ch. 4 - Aspirin, C6H4 (OCOCH3) CO3H, is produced by the... Ch. Sulfur is only mildly flammable under normal atmospheric conditions, but in pure oxygen, it burns with a very nice blue flame. A niche from a habitat? The hiding element is revealed by color! 4 - What volume of 0.750 M Pb(NO3)2, in milliliters,... Ch. 4 - The aluminum in a 0.764-g sample of an unknown... Ch. 4 - An experiment in your laboratory requires 500. mL... Ch. equals for this molecule, and . a nitrogen tribromide b xenon hexafluoride c carbon monoxide d d... . What does contingent mean in real estate? If 0.106... Ch. Classify each solution as acidic, basic... Classify each of the following half-reactions as oxidation or reduction. In Jupiters atmosphere? Beryllium is reluctant to burn unless it is in the form of dust or powder. 4 - Sodium bicarbonate and acetic acid react according... Ch. Oxygen is a chemical element.It has the symbol O and atomic number 8. There are a number of oxidizing agents in chemistry, including oxygen, ozone, hydrogen peroxide, fluorine and so on. In an AC generator, a coil with N turns of wire spins in a magnetic field. If an element burns in oxygen what is produced? a. 4 - Methane, CH4, burns in oxygen. 4 - A solution of a dye was analyzed by... Ch. 4 - What volume of 0.125 M oxalic acid, H2C2O4, is... Ch. When elements are burned, the products are primarily the most common oxides. 4 - Some metal halides react with water to produce the... Ch. Carbon will yield carbon dioxide, sulfur will yield sulfur dioxide, and iron will yield iron (III) oxide. Anonymous. As an individual continues to hyperventilate at high altitudes, the individual's (______ increases; ... 3-34 Which of these bonds is the most polar? In the most general sense, combustion involves a reaction between any combustible material and an oxidizer to form an oxidized product. 4 - The deep blue compound Cu(NH3)4S04 is made by the... Ch. 4 - (a) What is the pH of a 0.105 M HCl solution? 4 - In some laboratory analyses, the preferred... Ch. Questions 31 to 34:Calculate the number of atoms, molecules, or formula units that are in each given mass. 4 - Potassium perchlorate is prepared by the following... Ch. 4.8 - Hydrochloric acid. The actual products of a combustion reaction depend on what substance is burned and how much oxygen is present. 4 - Gold can be dissolved from gold-bearing rock by... Ch. 4 - Hydrazine, N2H4, a base like ammonia, can react... Ch. In these cases the element oxygen has combined with the carbon and hydrogen in the compounds being burned to form the new compounds, but no new elements have been formed. 4 - Some potassium dichromate (K2Cr2O7), 2.335 g, is... Ch. The lattice energy of NaI is 686 kJ/mol, and the enthalpy of hydration is 694 kJ/mol Calculate the enthalpy of ... Rank the double bonds below in terms of increasing stability. 4 - In the photographic developing process, silver... Ch. Detailed solutions are available in the Student Solutions ... 48. 1,5-hexadiene c. 1,6-hexadiene d. no correct respo... Cell-mediated responses are most effective against ______. 4 - Mesitylene is a liquid hydrocarbon Burning 0.115 g... Ch. How many moles of Helium are in 16g of the element? 4 - You have a mixture of oxalic acid, H2C2O4, and... Ch. 4 - Two students titrate different samples of the same... Ch. 4 - You wish to determine the weight percent of copper... Ch. In petrol and diesel cars, the burning of fuel produces carbon dioxide and water. What element is always present in proteins that is seldom present in carbohydrates and lipids? When did organ music become associated with baseball? This process, known as the s-process (because neutrons are produced-and-captured slowly), runs into a problem when it tries to build elements heavier … Ch. Since gaseous oxygen is abundant in Earth’s atmosphere, it often becomes the primary oxidizing agent for most fires. _________ is the process of returning metals to their natural state—the ores from which they were originally ... A denatured protein has lost its _______ . (c) What mass of O 2, in grams, is required for complete combustion of 25.5 g of methane? 4 - An unknown metal reacts with oxygen to give the... Ch. The blue flame is the hot flame while the yellow flame is cooler. 4 - What volume of 0.955 M HCl, in milliliters, is... Ch. The other way to change the color of th fire is to burn different chemicals. 4.9 - Identify the factor labeled 3 in this strategy... Ch. 4.4 - A 0523-g sample of the unknown compound CxHy was... Ch. 4 - Make the following conversions. 4 - Ammonia gas can be prepared by the reaction of a... Ch. Convert this figure to miles per hour. 4.9 - Calculate the volume of water obtained from 1.00... Ch. 4 - Disulfur dichloride, S2Cl2, is used to vulcanize... Ch. 4 - The reaction of iron metal and chlorine gas to... Ch. 4 - A weighed sample of iron (Fe) is added to liquid... Ch. (b)... Ch. All animals and many microorganisms need oxygen to fuel their metabolism. 4 - In the thermite reaction, iron(III) oxide is... Ch. What is the amount (in moles) of water produced from 0.51 mol C2H5OH? How old was Ralph macchio in the first Karate Kid? 4 - Copper metal can be prepared by roasting copper... Ch. 4.8 - Vitamin C, ascorbic acid (C6HgO6)(molar mass 176.1... Ch. The process of photochemical dissociation in which water molecules are broken up by ultraviolet rays produces about 1-2% of our oxygen. 4 - At higher temperatures, NaHCO3is converted... Ch. Molecules can be made of single types of atoms or of different types. Combustion in Pure Oxygen, Part 3: Burning Sulfur — Fire and Brimstone . Oxygen supports combustion. 4 - A compound has been isolated that can have either... Ch. 4.9 - Excess KI is added to a 100.0-mL sample of a soft... Ch. 4 - Azulene is a beautiful blue hydrocarbon. 4 - A 2.634-g sample containing impure CuCl2 2 H2O was... Ch. 4 - Calcium and magnesium carbonates occur together in... Ch. 4 - Ethane, C2H6, burns in oxygen. In the presence of pure oxygen, wood burns even more quickly. Once this steam … Carbon is the element. 4.8 - A 25.0-mL sample of vinegar (which contains the... Ch. Copper oxide is formed when copper reacts with oxygen. The black copper oxide that is produced can be restored to original copper color through a reaction with hydrogen. In a popular magazine article the author reports health benefits attributed to a particular dietary supplement.... Why is cell furrowing important in cell division? 4 - To analyze an iron-containing compound, you... Ch. But, room temperature is not enough to do that oxidation process. 4 - When an electric current is passed through an... Ch. A characteristic of carrier molecules in a primary active transport pump is that: a. they cannot transport a su... Alchemists were the forerunners of modern-day chemists. Fire does use oxygen when it burns. What is the correct balanced chemical for this reaction? 4 - A sample of limestone and other soil materials was... Ch. 4 - Black smokers are found in the depths of the... Ch. All elements burn at different temperatures and show different colors as they burn. ... Diamond isn't an element, it is a mineral of carbon. Electrons orbit the nucl... KEY TERMS 1. science (1.1) 2. scientific method (1.2) 3. standard unit (1.4) 4. system of units 5. metric syste... 8.84 Suppose that three unknown pure substances are liquids at room temperature. 4 - An Atka-Seltzer tablet contains exactly 100. mg of... Ch. What year will may 22nd fall on Tuesday right after 2007? So there is just as much carbon dioxide produced as there is oxygen used. 4 - What mass of Na2CO3, in grams, is required for... Ch. (d) What is the total mass of products expected from the combustion of 25.5 g of methane. 4 - Thioridazine, C21H26N2S2, is a pharmaceutical... Ch. (a) What are the... Ch. 4 - Sodium azide, an explosive chemical used in... Ch. 4 - A saturated solution of milk of magnesia, Mg(OH)2,... Ch. 4 - What volume of 0.812 M HCI, in milliliters, is... Ch. Oxygen also occurs in other colors, including red, pink, orange, and black. Copyright © 2021 Multiply Media, LLC. 4 - Silicon and hydrogen form a series of compounds... Ch. What is the distrbution of water in the lithosphere? (b) Write the balanced equation for the reaction. ... CH4 + 2O2 -> 2H2O + CO2. Que... What other kinds of environmental change might require long-term observation and recording of evidence? 4 - The elements silver, molybdenum, and sulfur... Ch. The black copper oxide that is produced can be restored to original copper color through a reaction with hydrogen. C5H12(g)+8O2(g)→5CO2(g)+6H2O(g) Calculate the mass of CO2 that can be produced if the reaction of 38.5 g of pentane and sufficient oxygen has a 58.0 % yield. Ethane, C 2 H 6, burns in oxygen. Methane, CH 4 , burns in oxygen. 4.6 - (a) What is the pH of a solution of HCI in which... Ch. The water also contains an unnaturally high amount of carbon dioxide because of the sodium bicarbonate added. It usually occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide and water. 4 - The reaction of 750. g each of NH3 and O2 was... Ch. 4.4 - A 0.1342-g sample of a compound composed of C, H,... Ch. Why don't libraries smell like bookstores? Answers to all problems are at the end of this book. If 10.0 moles of magnesium oxide (Mgo) are produced, how many moles of oxygen gas would be required? Many of these medieval scholars and philosophers spent ... Case 1 What reacts with oxygen to produce carbon dioxide - The answer must be carbon . 4 - One half liter (500. mL) of 2.50 M HCl is mixed... Ch. 1,5-pentadiene b. 4 - Iodine is made by the following reaction 2... Ch. Figure P29.88 shows a circuit that consists of two identical emf devices. In general, however, when a pure element burns in oxygen the product is called an oxide. Other oxidizers besides oxygen can be used to produce a flame. a. hydrogen bonds b. shape c. function d. all of the above, Fats play few roles in the body apart from providing abundant fuel in the form of calories. 4 - A mixture of CuSO4 and CuSO4.5 H2O has a mass of... Ch. 4 - Nickel forms a compound with carbon monoxide,... Ch. Which statement is true of the quantum mechanical model, but not of the Bohr model? What is exact weight of male Bengal tiger? (d) What is the total mass of products expected from the combustion of 25.5 g of methane? C) both hydrogen and oxygen. In chemistry experiments, this reaction can be sparked by heating copper with a burner, turning the original copper black. Pentane (C5H12) burns in oxygen to produce carbon dioxide and water. 4 - A table wine has a pH of 3.40. In each case, tell... Ch. 4 - Boron forms a series of compounds with hydrogen,... Ch. Beryllium has a very strong (but very thin) layer of beryllium oxide on its surface, and this prevents any new oxygen getting at the underlying beryllium to react with it. C) both hydrogen and oxygen When oxygen is available, sulfur dioxide is produced from the burning of sulfur. What is the WPS button on a wireless router? 4 - Oyster beds in the oceans require chloride ions... Ch. When sugar burns what gases are produced? (c) What mass of O 2 , in grams, is required for complete combustion of 25.5 g of methane? What chores do children have at San Jose? Another process that produces oxygen is photosynthesis which is performed by plants and photosynthetic bacteria. 4 - Cloth can be waterproofed by coating it with a... Ch. What is the amount (in moles) of water produced from 0.51 mol C2H5OH? Incomplete combustion occurs when the supply of air or oxygen is poor. 4 - Chromium metal reacts with oxygen to give... Ch. If ammonia burns in oxygen at room temperature, nitrogen gas and water are formed when there is no catalyst. It can dissolve in the water easily. The water used is saturated with air, which is about 79% nitrogen gas and 21% oxygen gas. 4 - You mix 25.0 mL of 0.234 M FeCl3 with 42.5 mL of... Ch. 4 - Titanium(IV) oxide, TiO2, is heated in hydrogen... Ch. Oxygen is produced in various ways. 4 - What is the hydronium ion concentration of a... Ch. 4 - The formation of water-Insoluble silver chloride... Ch. 4 - In an experiment, 1.056 g of a metal carbonate,... Ch. 4.9 - Identify the factor labeled 4 in the strategy... Ch. 4 - An unknown compound has the formula CxHyOz. 4 - What volume of 0123 M NaOH, in milliliters,... Ch. ... 3 years ago. The products of the combustion are sulfur dioxide and sulfur trioxide: S (s) + O 2 (g) ——> SO 2 (g) 2S (s) + 3O 2 (g) ——> 2SO 3 (g) (b) Write the balanced equation for the reaction. 4.9 - A solution of copper(II) ions has an absorbance of... Ch. What mass of solid KNO3 must be used? 4 - In Example 4.2, you found that a particular... Ch. When a hydrocarbon burns in oxygen, the reaction will primarily yield carbon dioxide and water. A bunsen burner’s flame is changed from blue to yellow by changing the gas-oxygen mix. 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There is a popular belief in Russia that electric heaters with an open nichrome heating element (red hot) "burn up oxygen" and "dry the air", unlike oil-filled ones. 4 - What mass of HCI, in grams, is required to react... Ch. 0 0. *Response times vary by subject and question complexity. Median response time is 34 minutes and may be longer for new subjects. Stellar nucleosynthesis is the creation (nucleosynthesis) of chemical elements by nuclear fusion reactions within stars. 4 - Chromium(III) chloride forms many compounds with... Ch. 4 - Saccharin, an artificial sweetener, has the... Ch. 4 - To find the formula of a compound composed of iron... Ch. What is the... Ch. Who is the longest reigning WWE Champion of all time? In chemistry experiments, this reaction can be sparked by heating copper with a burner, turning the original copper black. 4 - The compound SF6 is made by burning sulfur in an... Ch. 4 - An unknown solid acid is either citric acid or... Ch. In a reaction in which hydrogen reacts with oxygen to produce water, which substances are the reactants? [3] Another of many possible chemical combinations is hydrazine and nitrogen tetroxide which is hypergolic and commonly used in rocket engines . 4 - What is the hydronium ion concentration of a 1.2 ... Ch. 4 - What volume of 0.109 M HNO3, in milliliters, is... Ch. Beryllium has a very strong (but very thin) layer of beryllium oxide on its surface, and this prevents any new oxygen … It does not create a vacuum at all. (a) CN (b) CC (c) CO. Adam is 5 11tall and weighs 190 lb. As the elodea produces oxygen in photosynthesis, some of the oxygen dissolves in the water and displaces nitrogen gas and carbon dioxide gas. 4 - ATOM ECONOMY: One type of reaction used in the... Ch. 4 - Suppose you dilute 25.0 mL of a 0.110 M solution... Ch. (c) What mass of O 2, in grams, is required for complete combustion of 13.6 of ethane? Besides being an... Ch. 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