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The value that should be reported for the number of moles of gas calculated from the ideal gas equation given the following data (R=0.08206L*atm/mol*K, P=76.00cmHg, V=1.000L and t=1degC)is.
.04.044475.04448.044.0445
What is the molar mass of the gas in a glass bulb with a volume of 2.50 L at a temperature of 22 degrees C and a pressure of 110 mm Hg. The gas weighed 505 mg.
if 32.78 ml of sodium hydroxide solution is needed to neutralize 20.00 ml of 0.2500 m of h2so4aq determine the
mixtures of helium and oxygen are used in scuba diving tanks to help prevent the bends. for a particular dive 29.0 l of
magnesium hydroxide is 54.87 oxygen by mass. how many grams of oxygen are in 175g of the compound? how many moles of
what is the structure of an ester of 2-methylpropionic acid that has the molecular formula: C8H13ClO2 and 5 signals in its 1H NMR spectrum?
Complete this equation to show how hydrofluoric acid, HF, acts as a Brønsted-Lowry acid in water. HF+H2O=?
A piece of silver with a mass 415 g has a heat capacity of 98.4 j/degrees celsius. what is the specific heat of silver
A pipet delivers 10.5, 10.3, 10.9 and 10.7 ml .(a)find the mean volume and deviation from the mean for each and calculate the average deviation from the mean (b) calculate the relative deviation (in %) for this set of data. Relative deviation (%) ..
A 0.200 M solution of a weak monoprotic acid HA is found to have a pH of 3.00 at room temp. What is the ionizaiton constant of this acid?
0.151 g ofpiperonaldehyde, and 0.80 mL of ethanol, and added 0.10 mL of NaHOsolution (0.60 g/mL), what is the theoretical yield of theresulting chalcone, in grams?
Give the systematic names of these compounds. Spelling counts! (a) CuI(s) (b) Fe2O3(s) (c) CoF2(s) (d) FeO(s)
Pressure of 0.923 atm is allowed to expand at constant temperature until its pressure reaches 0.377 atm. What is its final volume?
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