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Define the mass fraction of HCl in a process stream is 0.37. Define the other component in the process stream is water. Explain what is the mass fraction of water in the process stream?
Explain why two layers formed when 3 M NaOH was added to the ether solution after the initial separation. What solvents do the two layers represent? Which solvent forms the upper layer? Why?
The enthalpy change for melting ice at 0°C and constant atmospheric pressure is 6.01 kJ/mol. Calculate the quantity of energy required to melt a moderately large iceberg with a mass of 1.39 million metric tons. (A metric ton is 1000 kg.)
What will happen to the retention time if the temperature of the column is increased. Calculate the following peak areas from your GC chromatogram.
Calculate the work done by the gas if it expands against a constant pressure of 5 atm. -Answer is -1.14x10^4 J but just need to know how to get there.
We place 1.32 mol PCl5 in a 1.0L flask and allow it to reach equilibrium at a given temperature. What is the final concentration of Cl2 in the flask? PCl5 = PCl3 + Cl2 K= .47
One of the requirements for a Primary Standard is a high molecular weight. Why is this a requirement for a substance to qualify as a Primary Standard.
Suflur dioxide may be catalytically oxidized to sulfur trioxide. How many grams of sulfur dioxide could be converted by this process if 100.0 grams of oxygen are available for the oxidation?
A sample of ammonia, NH3, contains 3.3x10^21 hydrogen atoms. What is the mass of the sample in milligrams
you accidentally mixed up 3 beakers of solutions. one iswater one is pure ethanol one is pure hcl.how would you not
1. what is the formula of a compound if a sample of the compoundcontains 0.537 mol x 0.358 mol y and 0.895 mol z?2.
For a particular redox reaction MnO2 is oxidized to MnO4- and Ag is reduced to Ag. Complete and balance the equation for this reaction in basic solution
Bh3 No3 O3 PCl5 SF6 How many of the molecules have no dipole moment. Which of the molecules obeys the octet rule
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