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An automobile gasoline tank holds 21 of gasoline. When the gasoline burns, 82 of oxygen is consumed and carbon dioxide and water are produced.
What is the total combined mass of carbon dioxide and water that is produced?
nbspwhen titrating 0.15 m hcl with a calcium hydroxide solution of unknown concentration 35 ml of acid are required to
What mass of sodium nitrite must be added to 350 mL of water to give a solution with a pH
potassium hydrogen phthalate, a monoprotic acid with a molecular weight of 132 g/mol
an average cup of coffee contains about 125 mg of caffeine cahronqoz. if a student drinks 5 cups of coffee before their
A silver electrode of the first kind was used to measure the Ag+ ion concentration in solution. When the [Ag+] is 1.44 x 10-3 the Ecell is determined to be 0.626. Calculate the temperature (oC) using the Nernst equation.
why are methylene chloride and ethanol used to recrystallize trans-1,2-dibenzoylethylene
In the presence of Mn2+(aq), the reaction is first order in [Ce4+] and first order in [Mn2+]. Based on this which of the three steps in this mechanism is the rate limiting step. Why.
At 2000 degrees Celsius the equilibrium constant for the reaction 2NO (g) N2 (g) + O2 (g) is Kc=2.4x10^3 The initial concentration of NO is 0.174 M
Write out the balanced chemical equation that occurs when silver tarnishes in the presence of hydrogen sulfide ( a gas produced in food decay) and oxygen. Water is a by-product. Into which class of reactions does this reaction belong
A solution is made by dissolving 25.7 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution
How many grams of body mass does the person lose in about 8 h sleep if all the CO2 and H2O exhaled come from the metabolism of glucose
Calculate the heat of neutralization when it is given that : heat capacity of the calorimeter =28.7 J/oC ,the specific heat of the mixture =4.184 J/goC, density of the solution =1.02 g/mL.
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