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Liquid hexane CH3CH24CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. What is the theoretical yield of carbon dioxide formed from the reaction of 7.76 g of hexane and 36.4g of oxygen gas? Be sure your answer has the correct number of significant digits in it.
How much energy is required to decompose 765 g of PCl3, according to the reaction below? The molar mass of PCl3 is 137.32 g/mol and may be useful.
Vitamin C is essential for prevention of scurvy (and large doses may be effective in preventing colds). Combustion of a 0.2000-g sample of this carbon-hydrogen-oxygen compound yields 0.2998 g CO2 and 0.0819 g H2O. What is the EMPIRICAL FORMULA of ..
Write the structural formula for each of the following compounds.
How many grams of ethyl alcohol will result. How many grams of water are needed to react with 0.361 mol of ethylene. How many grams of ethyl alcohol will result
what is the activation energy of a reaction if its rate constant at 35 c was double the value of the rate constant at
This diluted sample was thoroughly mixed then a 25.0mL sample of the diluted vinegar was titrated with 0.1M NaOH. The titration required 35.48mL of the base to reach the endpoint. Explain what is the percent by mass of acetic acid in the specially..
Explain what the percentage of calcium is in an ionic compound of unknown composition if a 2.241g Sample of the compound is completely dissolved in water and produces 1.252g of CaCO3 upon addition of an excess of Na2CO3 solution.
Describe in detail how you would prepare a solution with a concentration near 0.100 M from a 0.650 M stock solution. Calculate the final concentration of the diluted solution (it won't be exactly 0.100 M). It should be within 10% of 0.100 M.
A chemical process requires 8.700 g-mol of calcium sulfate (CaSO4) for a reaction. How many grams are in 8.700 g-mol of calium sulfate
The simulated APT spectrum of a compound with the molecular formula C4H8 is shown below. Draw a structure that is consistent with this data.
Lactic acid has one acidic hydrogen atom in its structure. A 0.10 M solution of lactic acid has a pH of 2.44. Calculate the Ka of lactic acid.
Calcium reacts with iodine to form an ionic compound. If a sample of the compound contains 8.5 x 1019 iodide ions, how many calcium ions does it contain?
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