Hydronium ions are formed by the reaction between : (a) Sodium hydroxide and water(c) Hydrogen chloride gas and water (b) Calcium chloride and water ( In order to receive full credit, show all your work What is true of the chemical equation, sort the chemical reactions based on whether they absorb or release energyI'm asking this next to the other people who did because the answer with the 2) How many grams of excess reactant remains? P = 1.0, Q:Given the following reaction, CaH2 (s) + H20 In the reaction, 4 L of ethane and 14 L of oxygen burn to completion. 20.8 g 0 x A common name for ethanol is grain alcohol because it is formed by the fermentation of glucose (C6H12O6) and other sugars in grains such as corn, wheat, and barley: What type of chemicals are used in sanitation? Experts are tested by Chegg as specialists in their subject area. Today, more than 80% of this energy is provided by the combustion of fossil fuels: oil, coal, and natural gas (The sources of the energy consumed in the United States in 2009 are shown in Figure \(\PageIndex{2}\)) but as Table \(\PageIndex{1}\) from the Wikipedia shows, energy usage is a complex issue. Express your answer with the appropriate units. The moles of reactants and, Q:What volume of O is produced at STP when 89.7 g of AlO decomposes? Answer Bank Ammonium perchlorate reacts with aluminum according to the balanced reaction below. When loo grams of solid calcium carbonate is heated, 44 grams of carbon dioxide and 56 grams of calcium oxide are produced. 3Cl2O (g) + 10NH3 --> 6NH4Cl + 2N2 (g) + 3H2O The coefficients of reactants and products can be used to compare the volume of each species involved in the chemical reaction. (NH4)2Cr2O7, Calculate the mass, in grams, of each of the following. 1. 4.58 g CdS, Calculate the amount, in moles, of each of the following. Volume, Q:What volume of O is produced at STP when 78.9 g of AlO decomposes? 2003-2023 Chegg Inc. All rights reserved. Given the results from parts above, select one of the two methods as the better candidate overall for preparing ethanol. A combustion reaction is a major class of chemical reactions, commonly referred to as "burning." In the most general sense, combustion involves a reaction between any combustible material and an oxidizer to form an oxidized product. Chemistry. How many moles of oxygen are needed to react with one moles of ethane? 2 molecules of hydrogen peroxide (H2O2) decompose to form two molecules of water (H2O) and one molecule of oxygen (O2). The radius of a ping pong ball is 20 mm. oxygen gas when heated (and in the, A:Now in the reaction as we are given with the reactants and the products, the balanced reaction is as, Q:2. Combustion doesn't always result in fire, but when it does, a flame is a characteristic indicator of the reaction. 2003-2023 Chegg Inc. All rights reserved. => Fe3O4 + H2 -------> FeO + H2O Best Answer. Malic acid, an organic acid found in apples, contains C, H, and O in the following ratios: C1H1.50O1.25 What is the empirical formula of malic acid? hydrocarbon + oxygen carbon dioxide + water. Using volume relationships Volume relationships can also be used to determine how much leftover reagent will remain after a reaction runs to completion when one reagent is in excess. 74.55 g KCI See all questions in Balancing Chemical Equations. The triple bond of an alkyne consists of one and two components linking two sp hybridized carbons. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. In the most general sense, combustion involves a reaction between any combustible material and an oxidizer to form an oxidized product. (ii) Also, 2 V(volumes) of ethane reacts with 7 V of oxygen. As a result of his experimentation, he discovered a method for indirectly measuring the number of atoms involved in a reaction. C6H12O6(s) + 6 O2(g) 6 CO2(g) + 6 H2O(l), Q:Gas Laws Stoichiometry Alkenes (also called olefins) and alkynes (also called acetylenes) belong to the class of unsaturated aliphatic hydrocarbons. Each carbon has two p orbitals, the axes of which are perpendicular to each other. The higher alkanes present in petroleum also yield ethylene under similar conditions by reactions that involve both dehydrogenation and the breaking of carbon-carbon bonds. This led him to conduct a series of experiments to determine if other compounds also combined in whole number ratios. When NH4NO3,, Q:Hydrogen is produced when methane (CH4) reacts with water. Solid copper(II) chloride forms a hydrate of formula CuCl2xH2O. This site is using cookies under cookie policy . Ethane (C2H6) is one of many compounds that burns in oxygen to form carbon dioxide and water, as represented by the equation below. The chlorinated derivatives of methane (CH3Cl, CH2Cl2, CHCl3, and CCl4) are useful industrially and are prepared by various methods, including the reaction of methane with chlorine at temperatures on the order of 450 C (840 F). In the above equation, how many liters of oxygen (O2) are required to burn 4.0 L of ethane (C2H6) gas? In combustion reaction, definitely oxygen must be "one of the reactants". why only these? The equation is 2CH(E) +70,($) - 400,(E) + 6H0() Part A In the above equation, how many ters of oxygen (Os) are required to burn 6.0 Lofthane (CH) as? The previous reaction has been carried out for many centuries and is one of the oldest manufacturing processes. A sample of potassium chlorate is heated, and decomposes according to the balanced Side-by-side overlap of these two p orbitals generates a bond. (s), Q:Suppose 2.80% of 480 g of PCls (208.2 g/mol) initially present in a 7.00 L reaction vessel at 300C, Q:4) How can this be written as a conversion factor? , what is the mass percent of water in plaster of paris, Macmill T = 295 K You may round atomic masses to one decimal place. A sample of ethane was . A combustion reaction is a major class of chemical reactions, commonly referred to as "burning." Note that while oxygen gas is always present as a reactant, in the trickier examples, the oxygen comes from another reactant. Complete the following table of pressure conversions. Fe+O2Fe3O4 (not balanced). Balance the chemical equation. The total expenditure of energy in the world each year is about 3 10 17 kJ. 2 1 CK Chemistry 8.00 mol CaCO3, Calculate the mass, in grams, of each of the following. Mass of Hydrogen = 2.5g Alkenes are hydrocarbons that contain a carbon-carbon double bond, whereas alkynes have a carbon-carbon triple bond. How many grams (of mass m) of glucose are in 175 mL of a 5.50% (m/v) glucose solution? Science Chemistry Ethane burns in air to form carbon dioxide and water. 32986 views Starting with the unbalanced equation for the combustion of butanol, Starting with the partially balanced equation,C4H9OH(g)+O2(g)?CO2(g)+5H2O(l), Starting with the partially balanced equation,C4H9OH(g)+?O2(g)4CO2(g)+5H2O(l). ____ #KClO_3 -># ____ #KCl +# ____ #O_2#. Volume of CO = 30.0 L On the basis of this calculation, what should they do next? Moles of NaN3 = Mass/Molar mass = 100g/(65gmol-1) = 1.54, Q:Nitric acid is produced from nitrogen monoxide, which is in turn is prepared from ammonia by a, A:Limiting reagent is the reagent which is consumed in the chemical reaction completely. What mass in grams of solute is needed to prepare 45.0 mL of 1.65 M C6H12O6? In an experiment, you need 0.125 mol of sodium metal. 4.56102 mol FeBr3, Calculate the mass, in grams, of each of the following. To calculate a) The mass of, Q:4) Given these reactants and products: CaCO3(s)+2HCl(aq)CaCl2(aq)+CO2(g) The equation is 2C2H6(g) + 7O2(g) 4CO2(g) + 6H2O(g) Part A In the above equation, how many liters of oxygen (O2) are required to burn 8.0 L of ethane (C2H6) gas? Both the GaPtMWFB-450 C and GaMWFB-450 C resulted in a lower production rate to carbon monoxide and water than the TFB-650 C, suggesting that the microwave heating is less favorable to the water gas shift reaction. Ethane will burn in air ( oxygen) to give off carbon dioxide and water as products of the chemical reaction. highest molarity. Using the current specifications, resurfacing a road will cost $1.5M initially, need$120K in annual maintenance, and need to be resurfaced every 10 years. The equation is 2C2H6(g) + 7O2(g) 4CO2(g) + 6H2O(g) a) In the above equation, how many liters of oxygen (O2) are required to burn 6.0 L of ethane (C2H6) gas? sc.7.L.15.2. FeSO4, Calculate the molar mass of each of the following compounds. Ethane burns in oxygen to form CO2 and H2O according to the equation : Ethane burns in oxygen to form CO2 and H2O according to the equation: 2C2 H 6 +7O2 ---> 4CO2+ 6H 2O, Ethane bums in oxygen to form CO2 and H2O according to the equation . How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 53.6 moles of water vapor? You have packing boxes that measure 24 inches by 24 inches by 18 inches. Chemistry questions and answers. 4 NH, (aq) + 3 0,(g) 2 N,(g) + 6, Q:A bottle with the volume 4.03 L contains a sample of chlorine gas, Cl2, with a pressure of 198 Torr, Q:2. 1 mole KCI NH3 + Cl, ---> N, + HCI 3) Determine the percent yield if 310 g of carbon dioxide was recovered. It usually occurs when a hydrocarbon reacts with oxygen to produce carbon dioxide and water. Assume that the volume and temperature are held constant. Although the reactions are exothermic, a source of energy such as ultraviolet light or high temperature is required to initiate the reaction, as, for example, in the chlorination of cyclobutane. This site is using cookies under cookie policy . 2(g) 2NaN32Na+3N2 Which postulate of Daltons theory is consistent with the following observation concerning the weights of reactants and products? A 6.00 %% (m/v) NaCl solution contains 49.9 g of NaCl. Two general chemistry students working together in the lab weigh out 0.832 g of CaCl2 2 H2O into a crucible. First week only $4.99! Sodium can be cut easily with a knife (Figure 2.5), so if you cut out a block of sodium, what should the volume of the block be in cubic centimeters? In a more recent development, ethanol can be prepared by reacting ethylene (found in petroleum) with water: In the equation, if 14 L of ethane (C2H6) and 14 L of oxygen (O2) combined and burned to completion, which gas will be leftover after the reaction, and what is the volume of that gas remaining? When ethane, C2H6, burns in oxygen, carbon dioxide and water are formed. Hydrogen sulfide burns in oxygen to form sulfur dioxide and water vapor. What is the total volume (V) of the solution in milliliters. Mass: Cu 63.55 Cl 35.45 H 1.008 O 16.00 Chemical reaction is a process in chemistry which leads to the formation of new substances referred to as PRODUCTS from combination of two or more substances called REACTANTS. There are 342 g of sucrose in 1.00 mol of sucrose. 2.81%. 2 C2H6 + 7 O2 ------> 4 CO2 + 6 H2O If 401. mm hg of ethane is burned in 452. mm of Hg of oxygen, what pressure of carbon dioxide could be produced? Science Chemistry Ethane gas, C,H,, burns in air (actually the oxygen in the air) to form carbon dioxide and water. In this specific reaction, 2 L of ethane combines with 7 L of oxygen completely (without any traces of reactants remaining) to yield 4 L of carbon dioxide and 6 L of water. The balanced chemical equation is written as: 2C2H6 (8) + 702 (8) 4CO2 (g) + 6H2O (8) What are the reactants in the equation (select all that apply)?