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At STP, air can be considered to be a mixture of ideal gases: 21.0% O2, 78.0% N2, and 1.00% Ar by volume. a. Calculate the partial pressure of each gas at STP. b. Calculate the density of air in g L-1 at STP.
Which has the larger hydration energy, AL+3 or Li+ (Both ions are about the same size)
If a system is warmed by its surrounding and the system compresses its surroundings then: A. Delta E system is negative B. Delta E system is positive C. Delta E total is negative D. Delta E total is positive
Predict the rate of change in the concentration of N2O over this time interval. In other words, what is dt [N2O]/ dt?
how many liters of C6H14(l) measured at 20 degC must be burned to provide enough heat to warm 26.9m^3 of water from 17.7 to 32.6degC .
What is the purpose of decalin when heating an alcohol with strong acid to produce an alkene
Use reduction-potential values to explain which halides can be oxidized by Fe3+ or by MnO4- in acidic solution?
For analysis, a short peptide seven residues long is treated with FDNB, followed by complete acid hydrolysis and amino acid chromatography. What are the products of these steps. What kind of information can be obtained by amino acid chromatography..
For the following reactants, predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation. NaHSO3(aq)+HI(aq)
a copper refinery produces a copper ingot weighing 75 kg. the density of the copper is 8.94 gcm3. if the copper is
How do you make a supersaturated solution. How is this different than a "saturated" solution
complete and balance the following redox equation. What is the coefficient of H2O when the equation is balanced using the set of smallest whole-number coefficients
What do the structures of a two-carbon acid, a two-carbon alcohol, a three-carbon aldehyde, a four-carbon ketone, and a two-carbon amide look like
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