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Arrange the following gaseous substances in order of decreasing root mean square velocity at 25°C. argon, fluorine, carbon dioxide, oxygen, helium A. carbon dioxide > fluorine > argon > oxygen > helium B. carbon dioxide > argon > fluorine > oxygen > helium C. argon > oxygen > helium > carbon dioxide > fluorine D. helium > oxygen > fluorine > carbon dioxide > argon E. helium > oxygen > fluorine > argon > carbon dioxide
A sample of steam with a mass of 0.550grams and at a temperature of 100 degrees celcius condenses into an insulated container holding 4.30grams of water at 6.0 celcius
The partial pressures of gas A and gas B, respectively, are 0.379 atm and 0.675 atm. If 0.190 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.65 M B(aq) with 0.65 M HCl(aq} (a) before addition of any HCl
A sample of neon has a volume of 470 mL when it is at a pressure of 685 mmHg. What will be the volume when the pressure is increased to 1212 mmHg?
How many mL of 6.0M H2SO4 are required to react with .80g of CuO according to the equation CuO
Given that the sample is a mixture of multiple chemicals and you are NOT given a mixture of KNOWN quantities, what experiement(s) should we do to create our own KNOWN data
Calculate the rms (average) speed of NF3 atoms or molecules at 202 oC. Use R = 8.314 kg-m2/K-s2-mol for the value of the gas constant.
Example of reducing agent mechanism, Using Curved arrows to symbolize the flow of electrons, write the mechanism for the steps involved in the conversion of 9-fluorenone
For the reaction 2 HCl + Na2CO3 → 2 NaCl + H2O + CO2 what volume of 0.45 M HCl solution would be needed to produce 2.5 L of CO2 at STP
a) What is the reducing and oxidizing agents? b) What are the reducing and oxidation products?
Volume increases isothermally? Two pure gas species are mixed at constant temperature? Temperature increases isobarically? Pressure increases isothermally?
Given the reaction 4Al(s)+302(g)--2Al2O3(S), what is the minimum number of moles of oxygen gas required to produce 1.00 mol of aluminum oxide?
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