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An automobile gasoline tank holds 21 kg of gasoline. When the gasoline burns, 84 kg 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?
the specific heat of iron is .443 jgk. what mass of steam at 100 degrees celcius must be converted to water at 100
Potassium chlorate decomposes into potassium chloride and oxygen. how many moles of potassium chlorate are required to form 32 grams of oxygen.
You titrate a 425 mL sample of an acide mine drainage with a 0.32 M solution of NaOH. It takes 22.4 mL of the sodium hydroxide to reach the equivalance point
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n = 4 to n = 1. I need an explanation of the formula too.
What are three things that can happen when an electron beam interacts with a sample. What type of information can result from these interactions
Calculate the equilibrium concentration of H3O+ in the solution if the initial concentration of C6H5COOH is 6.1×10?2 M.
what will be the volume of the blimp at a height of 2300 m, where the temperature is 12°C?
A low-melting solid A was isolated, which combustion analysis showed had composition C9H10O. The substance gave a precipitate when treated with 2,4-dinitrophenylhydrazine solution.
Explain what is the ratio of the number of moles of air in the heated balloon to the original number of moles of air in the balloon
A reaction in water causes the water in beaker to cool from 25 degrees Celsius to 21 degrees Celsius. The volume of water 150ml (d=1.0g/ml). What is the heat absorbed by the reaction?
What is the frequency of radiation whose wavelength is 13.40 Å? s-1 (b) What is the wavelength of radiation that has a frequency of 1.0 1012 s-1? m (c) Would the radiations in part (a) or part (b) be detected by an X-ray detector
Calculate the percent by mass of the solute methylene chloride in a solution produced by combining 0.891 kg of CH2Cl2 to 3.20 kg of the solvent (C2H5)2O.
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