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Forty-four grams of carbon dioxide occupies 32.68 L at 65°C and 645torr. Explain what is its volume at STP?
A gaseous compound containing hydrogen and carbon is decomposed and found to contain 85.63% C and 14.37 H by mass. The mass of 258 mL of the gas, measured at STP is 0.646 g. What is the molecular formula of the compound?
At 46°C a sample of ammonia gas exerts a pressure of 5.3 atm. What is the pressure when the volume of the gas is reduced to one-half (0.5) of the original value at the same temperature
From the following list of aqueous solutions and water, select the one with the lowest melting point. A. 1.0 M KNO3 B. 0.75 M NaCl C. 0.75 M CuCl2 D. 2.0 M C12H22O11 (sucrose) E. pure water
add the angular wave function for a 2s electron of carbon to that of a 2py electron of the same carbon atom. subtract
Using the standard values for the fundamental charge and the mass of the proton and neutron, what is the charge to mass ratio of the 5He nucleus, in Coulombs per gram?
The radius of a uranium atom is 149 pm. How many uranium atoms would have to be laid side by side to span a distance of 4.55 mm?
Calculate the corresponding entropy for each state. d) Calculate the temperature for each state.
If the following substance is dissolved in pure water, will the solution be acidic and Explain Ammonium sulfate-((NH4)2SO4)
Explain titration of a strong acid with a strong base. The pH curve for titration of 50.0mL of a 0.100 M solution of hydrochloric acid with a 0.100 M solution of NaOH (aq). For clarity water molecules have been absent from the molecular art.
Explain why bromination of cyclohexene produce trans 1,2-dibromocyclohexane
1. Write all of the resonance structures for m-bromonitrobenzene. 2. Write all of the resonance structures for o-bromonitrobenzene.
What weight of A would be removed by four successive extractions with 25-mL portions of ligroin? How much ligroin would be required to remove 98.5% of A in a single extraction?
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