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Liquid hexane, C6H14 burns in oxygen gas to yield carbon dioxide and water. What is the minimum mass of oxygen required for the complete reaction of 10mL of hexane? (density of hexane = .660g/mL
How much heat is released when 4.50 g of methane gas is burned in a constant-pressure system? CH4 (g) + 2O2(g) -> CO2 (g) + 2H2O(l) H=-890kJ
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C.
According to the delocalized molecular-orbital theory of metals, in what sense do we say that the entire piece of metal
what is the molarity of the oh- ions in 0.040 m barium hydroxide baoh2? i know the answer is .08m. the barium hydroxide
Choose the answer that shows a correctly balanced equation.
Like sulfuric Acid, a certain diprotic acid, H2A, is a strong acid in its first deprotonation and a weak acid in its second deprotonation. A solution that is 0.020 M H2A (aq) has a pH of 1.66. What is the value of Ka2 for this acid
What is the number (actual count) of [H+] in 10 mLs of water at a specific pH (like pH 9, 7, 2 etc.)
A small amount of the radioactive isotope Pb-212 was mixed with a small quantity of a non-radioactive lead salt containing 0.0100 g lead (Ar = 207).
In this experiement (a) which group in the acyl compound is being substituted and (b) what is the substituting group
The density of titanium metal is 4.51 g/cm^3 at 25 degrees C. What mass of titanium displaces 64.0 mL of water at 25 degrees C?
Calculate the potential delivered by a voltaic cell operating by the following reaction if all of the dissolved species have a concentration of 0.035 and the pressure of H2 (g) is 1.00 atm.
The total molarity of acid and conjugate base in this buffer is 0.100M . A student adds 6.10 ml of a 0.280 M solution to the beaker. How much will the pH change. The pka of acetic acid is 4.760.
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