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Calculate the pressure of a sample of gas collected over water at 25 degrees Celsius if the atmospheric pressure id 0.948 atm. 1 atm= 760 mm Hg.
The vapor pressure of water at 16 degrees Celsius is 13.6 torr and it is 15.5 torr at 18 degrees Celsius. Whats the vapor pressure at 17 degrees Celsius?
50.0-gram sample of impure zinc reacts with exactly 129 mL of hydrochloric acid which has a density of 1.18 g/mL and contains 35.0% HCl by mass. What is the percent of metallic zinc in the sample
What is the pH of the solution during the titration when the following volumes of the NaOH have been added to 34.5-mL of the acid.
As part of a soil analysis on a plot of land, you want to determine the ammonium content using gravimetric analysis with sodium tetraphenylborate, Na B(C6H5)4-. Unfortunately, the amount of potassium, which also precipitates with sodium tetrapheny..
How could you convert each of the following compounds into butanoic acid? Write each step showing all reagents. (a) 1-Butanol (b) 1-Bromobutane (c) 1-Butene
The half-life for the first-order reacion of HCl with ethylene is 15.4 s when the initial concentration of HCl is 0.67 M. What is the rate constant for this reaction?
In the NMR Spectra there is : 2 quartet( one has 2 hydrogens and the other has 3 hydrogens they are both located in the range 7.5-6.5) and there are two triplets at 4.5-3.5 and they both have two hydrogens, and there is a singlet located at 2.0 th..
what is the composition in atom percent of an alloy that consists of a 91.5 wt ag and b 8.5 wt cu? assume that the
Methane is completely burned with 20.0% excess air, with 25.0% of the carbon going to CO. What is the partial pressure of CO in the stack (exit) gas if the gas exits at a pressure of 740 mm Hg and a temperature of 300°F
how much heat in kj would be required to vaporize 1.00 l of diethyl ether c4h10o density is 0.714gml at 298 k if the
70.0 l stainless steel container was charged with 3.00 atm of hydrogen gas and 4.00 atm of oxygen gas. a spark ignited
Polonium crystallizes in a simple cubic lattice (the Po atoms are at the lattice points only). If the density of the metal is 9.31 g/cm3, what is the unit cell edge length in pm
When 1 mole of H2(g) reacts with C2H4(g) to form C2H6(g) according to the following equation, 137 kJ of energy are evolved. What is the value of q?
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