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At 25 C, an unknown gas Q, diffuses at a RATE 1.65 times faster than that of propane, C3H8. Explain which of these gases is most likely to be Q and why explain?a. O2b. Hec. Ned.H2Oe. CH4
how much energy in kilojoules is required to change 47.6g of ice at 0 degrees C to liquid water at the same temperature? In kilocalories?
12.0 moles of gas are in a 7.00L tank at 25 degrees Celsius. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a= 2.300L^2 and b=.0430mol.
what is the concentration m of ch3oh in a solution prepared by dissolving 16.8 g of ch3oh in sufficient water to give
If you report two measurements of mass, 7.42 g and 7.56 g, are the measurements accurate. are they precise
C.A. Yates was given a 50.0mL sample of the weak acid. The known concentration of the weak acid is .25M. After preparing a buret he delivers 25.0mL of the weak acid into a 100mL Erlenmyer flask. He then titrated this solution using a standardized ..
A gaseous mixture of O2 and N2 contains 36.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 545 mmHg ?
Working with partition function and entropy what is the ratio of the number of particles in the J= 14 to the J=4 level at a temperature of 1900 K?
A meat loaf (moisture content = 85%) took 20 hours to freeze in a blast freezer. What is the thickness of the meat loaf assuming infinite plate geometry. The convective heat transfer coefficient
At 580 nm the wavelength of its maximum absorption, the complex FeSCN2+ has a molar absorptivity of 7X10^3 L cm-1 mol-1 calculate
a chemical reaction takes place in a container of cross-sectional area 100 cm2. as a result of the reaction a piston is
the reaction 2al 3mno ----gt al2o3 3mn proceeds till the limiting substance is consumed. a mixture of 220g al and
Upon isolation of the product it appears to be optically inactive. Explain what must have happened mechanistically. If your goal is to synthesize (S)-2-iodobutane, how might you modify the experiment to ensure that you do so in your next attempt
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