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Complete combustion of 7.70 g of a hydrocarbon produced 24.8 g of CO2 and 8.44 g of H2O. What is the empirical formula for the hydrocarbon?
A sample consisting of various gases contains 3.4 10-6 mole fraction of radon. This gas at a total pressure of 33 atm is shaken with water at 30°C. Calculate the molar concentration of radon in the water.
How many milliliters of O2 measured at 24C and 757mmHg , are released from solution in the first minute of the reaction? Please find volume
Atomic orbitals of carbon relative to methane in a cubic frame of reference.
An 11.0 gram sample of CO2 exerts a pressure of 50.0kPa. What mass of CH4 must be added to the CO2 in order to increase the pressure of 75.0 kPa? Assume no CO2 escapes.
Write the balanced net ionic equations for each of the following compounds with aqueous NH4OH 1. HCl (aq) 2. H2SO4 (aq) 3. HNO3 (aq) 4. NaOH (aq)
A solution containing an unknown quantity of A plus 930 nM B gave a relative detector response (peak area of A)/(peak area of B) = 1.21. Find the concentration of A in the unknown.
In a particular redox reaction, Cr is oxidized to CrO42 and Ag is reduced to Ag. Complete and balance the equation for this reaction in acidic solution. Phases are optional.
Determine the volume of sulfuric acid solution needed to prepare 37.4 g of aluminum sulfate, Al2(SO4)3, by the following reaction 2Al(s)+3H2SO4 (aq)= Al2(SO4)3 (aq) +3H2 (g)
A canister is filled with 390 of ice and 100 of liquid water, both at 0.0 . The canister is placed in an oven until all the has boiled off and the canister is empty. How much energy in calories was absorbed?
calculate the total heat (in J) needed to convert 20.0g ice at -8.00 c to liquid water at 0.600c? melting point at 1 atm
What is a specific example that exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?
At an altitude of 30 km, the temperature in the stratosphere is approx. -45.3 degrees F. What is the average kinetic energy of a single CF2Cl2 molecule at this temperature?
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