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Explain what is the temperature at which the solution of KI will boil if the solution contains 126.15 g of KI dissolved in 350.9 grams of water. Kb of water is 0.512 C/m
Which of the following molecules do you think would be subject to the Pauli principle's effects on rotational levels? (Check all that apply) a. methane b. dihydrogen c. HCl d. water e. dinitrogen f. dinitrogen where one atom is isotope 14 and the ..
Of the list below, which of the following compunds will have the lowest boiling point and which of the compound will have the highest boiling point?
Describe how you would make 2.35 g of a mixture of sand,clay and ash in the following percentages, respectively : 24.64%, 4.23%, and 71.13%
How would I do that? I have a diagram for a trigonal bipyramidal crystal field and two values are on the diagram. There's a delta 0.19 and a delta 0.79.
An experiment requires 46.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder.
A metal crystallizes in a face-centered cubic lattice. The radius of the atom is 128 pm and the density of the element is 8.92 g/cm3. What is the identity of the metal?
The SO2 produced in copper recovery reacts in air with oxygen and forms sulfur trioxide. This gas, in turn, reacts with water to form a sulfuric acid solution that falls as rain or snow. Write a balanced overall reaction
is an electron ever even momentarily found between the first and second energy levels? explain based on the wave
Ignoring any side reactions and assuming the reaction occurs completely, how large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine
Calculate the frequency of the light emitted by hydrogen atom during transition of its electron from n=6 to the n=3 principal energy level.
suppose that 500 g of water vapor condense to make a cloud about the size of an average room. if we assume that the
In the presence of excess oxygen, what mass of NH3 is required to release 2175 kJ of enthalpy to the surroundings with this reaction at standard temp and pressure
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