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A helath science store is selling a tablet that contains a compound that is aupposed to make your armpits smiell like pineapples. The compound was extracted from a pineapple by a chemist at a major chemical manufacturer. What is the molecular formula of the compound given the following experimental results: Compound composition C3H6O Coumpound molar mass 116.18 g/mol
What is the pH of a solution that is 0.75M in sodium acetate and 0.5M in acetic acid (Ka for acetic acid is 1.85 * 10^-5
The rate constant for a certain reaction is = 2.90×10?3 . If the initial reactant concentration was 0.500, what will the concentration be after 19.0 minutes?
A given mass of air occupies 900 ml at one atmosphere (760 mm) of pressure. What pressure must be applied to reduce the volume to 700 ml at constant temperature
Boron often forms compounds that do not comply with the octet rule that are termed electron deficient. BF3, whose structure is shown below on the left, is an example of an electron deficient compound.
write balanced half-reactions and the overall spontaneous reaction. type your answer using the format nh4 for nh4. use
Calculate the volume of H2 (in mL) required to hydrogenate 27.2 g of trans-carveol at STP.
How much energy (heat) is released when 1.52 moles of H2 reacts with 0.68 moles of Cl2 to create HCl(g) if the ΔHrxn = -184.6 kJ.
What mass of CO2 is produced when 50.0 g of C2H4 reacts completely in the equation C2H4 + 3O2 = 2CO2 + 2H2O
If 3.00 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution?
When ammonia is burned in oxygen, free nitrogen gas and water are produced. What volume of ammonia will react completely with 25.0 L of oxygen? What volume of nitrogen gas is formed?
how many mM of nitrogen atoms in 1g/L of (NH4)2SO4. molecular mass of (NH4)2SO4 is 132.14g/mol
Explain how real gases differ from ideal gases. At what conditions do the variations become the biggest. At room conditions, if you know the condensation point for a series of gases, how will that allow you to predict which gases would vary most f..
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