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Gas stoichiometry.
Ethanol (C2H5OH ) burns in air: C2H5OH (I) + O2(g) ----> CO2(g) + H2O (I) Balance the equation and determine the volume of air in liters at 35.0 degrees C and 790 mmHg required to burn 227 g of ethanol. Assume that air is 21.0 percent O2 by volume.
Percentage of calcium carbonate in the sample.
Dissolving 3.00 g of an impure sample of calcium carbonate in hydrochloric acid produced 0.656 L of carbon dioxide (measured at 20.0 degrees C and 792mm/Hg). Calculate the percent by mass of calcium carbonate in the sample. State any assumptions.
Advantages and disadvantages of using Alternative Fuel and Would you consider buying one of these in the future? Why or Why Not and Why do you think there are not more of these vehicles in use?
Fundamentals of chemistry - The conditions under which gases behave most ideally and Under the Bronsted?Lowry definition a base
Question enthalpy and entropy values are given and were asked to find boiling point of mercury
Element symbols and Chemical formulas - What is the total number of atoms found in each of the following compounds? What is the total number of elements found in each?
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
Questions on chemical equations - Write a balanced equation for this reaction. Include the states of matter for each compound.
Properties of subatomic particles - Fill in the missing relative masses and relative charges for each of the subatomic particles
Build and elucidate a prototype model, Use your model to recommend a schedule of the burning and, if necessary buying, fuels, Use your model and its results to offer.
Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.
Write the electronic configuration in sublevels for the following atoms
Determine the molar mass of aspartame and How many moles of molecules are in 10.0g of aspartame?
Determine theoretical yield, limiting agent and excess reagent - How much excess reagent remains after the reaction goes to completion
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