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Isopropyl alcohol, a substance sold as rubbing alcohol, is composed of C, H, and O. Combustion of 0.255 g of isopropyl alcohol produces 0.561 g of CO2 and 0.306 g of H2O. Determine the empirical formula of isopropyl alcohol.
For the reaction of phosphorous acid (H3PO3) and potassium hydroxide (KOH), write (a) the balanced molecular equation, (b) the ionic equation and (c) the net ionic equation.
How much ice (in grams) would have to melt to lower the temperature of 352 of water from 26 to 5. (Assume the density of water is 1.0)
What are the potential sources of error for determining the molar extinction coefficient for methylene blue? Which sources contribute most to the uncertainty in the coefficient?
If a sample has an initial mass of 2.24 grams and undergoes decay until it has a mass of 0.140 grams, how many half-lives have passed?
Predict the formula and name of a binary compound formed from the following elements: (a) Na and H, (b)B and O, (c) Na and S, (d) Al and F, (e) F and O, (f)Sr and Cl.
A Scientist uses an ultra-high vacuum chamber that has a pressure of 6.5x 10^-12 torr. If the temperature is 298 K, how many molecules are there in 2.0 cm^3? What is the molar volume
Write the structures for the major monobromination products that would be formed from each of the following substrates used. Explain your predictions.
What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?
A solid substance X has a vapor pressure of 300mm Hg at 25oC and does not conduct electricity. Solid substance Y has an undetectably small vapor pressure at 25oC and is a good electrical conductor.
as we know that there are various objects and a lot ofnbsp even biological organisms are invisible to naked eye . there
Aldo Reaction Major and Minor Products from Benzaldehyde and Cyclohexanone. Why is the one you chose the major product
The temperature of the calorimeter increases by 82.9oC (Celsius). Given that the energy of combustion (?E) for lauric is -37.1 kJ/g, calculate the heat capacity of the bomb calorimeter. Make sure you enter kJ/C for your unit behind the number.
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