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What is the molar volume of H2 when 0.146 g of Zn react with HCl to produce 46.1 mL of H2?
How much benzoic acid would you expect to react with 45mL of 0.8 M NaOH?
Outline a synthesis of m-nitro benzoic acid starting from ethyl chloride and utilizing any needed organic/inorganic reagents. Presuming that a mixture of isomers can be separated
a reaction vessel of volume 20.0 l contains 5.0 mol of nitrogen gas 3.0 mol of hydrogen gas and 2.5 mol of oxygen gas
The elimination of carbon dioxide from pyruvate ions by a decarboxylase enzyme was monitored by measuring the partial pressure of the gas as it was formed in a 250 mL flask at 20oC.
A 1.00 L buffer solution is .250 M in HF and .250 M in LiF. Calculate the pH of the solution after the addition of .15 moles of solid HI. Assume no volume change. Ka for HF at 25C is 3.5x10^-4
How do I know what the theoretical size is? I can make an estimate using the gel electrophoresis and compare the intensity of my pcr band with my ladder to make an estimation but how do I know the theoretical size
The air in a laboratory was measured with a barometer to be 7.40 x 100 to the 2 power mm Hg. What is the laboratory air pressure in atm?
Problem- A light bulb draws a steady current of 9.5 x 10-2 A. How many electrons pass through the bulb in 1.00 hr?
What mass of solid potassium nitrite would need to be dissolved in 500. mL of 0.40 M HNO2 to make 500. mL of a NO2?/HNO2 buffer solution that has a pH = 3.25? Ka of HNO2 = 7.1 x 10?4
When 5.00g of copper reacts with oxygen, the copper oxide product has a mass of 5.62g. What is the empirical formula of this copper oxide? MM Cu= 63.5, O= 16.0
Do the atoms of the peptide group lie in the same plane?
how many milliliters of .1229 M NaOH are needed to completely neutralize 50.00mL of .1012M H2SO4 solution
Acetic acid, CH3COOH, is a weak monoprotic acid (pKa=4.74 at 25oC). What is the pH of 0.191 mol/L CH3COOH(aq) at 25oC
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