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How many grams of methane gas (CH4) need to be combusted to produce 18.2 L water vapor at 1.2 atm and 275 K? Show all of the work used to solve this problem.
CH4 (g) + 2 O2 (g) CO2 (g) + 2 H2O (g)
The student then adds more water until the solution volume becomes 1.0 L Write the eqn for each large-extent B/L A/B rxn which occurred on making this mixture. Do this by starting with the rxn that involves the strongest B/L A with the strongest B..
1. Explain how to use Lewis electron-dot symbols to depict main-group atoms and ions. 2. How to explain the electronic structure of ions using electron configurations and Lewis electron-dot symbols.
The initial volume of the balloon is 5.00 , and the pressure is 760. The balloon ascends to an altitude of 20, where the pressure is 76.0 and the temperature is 50. What is the new volume, of the balloon in liters, assuming it doesn't break or leak
Benzyl bromide reacts rapidly with sodium iodide in acetone, and also reacts rapidly with ethanol and silver acetate. Bromobenzene doesn't react under either of these conditions. Explain.
a solution is prepared by dissolving 20.2 ml of methanol in 100 ml of water. the final volume of the solution is 118
Using the following data for the specific volume of mercury, estimate the error in a temperature reading from a mercury-in-glass thermometer when the actual temperature is 600C
Write the mathematical equation to be used in determining the enthalpy change and explain each term in the equation.
Write a chemical equation for the reaction corresponding to the standard enthalpy of formation of N2O5 (g) and determine its value from the following thermochemical data
Problem- At room temperature, the surface tension of water is 72.0 mJ m-2. What is the energy required to change a spherical drop of water with a diameter of 2.00 mm to four smaller spherical drops of equal size
what are some differences between a titration curve of a strong acid with strong base amp a titration curve of a weak
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.719 V. If the silver-silver chloride electrode is replaced with a saturated calome..
Problem- A sample of Br2(g) takes 24.0 min to effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same membrane
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