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1. Gaseous dinitrogen tetroxide (N2O4) decomposes to form nitrogen dioxide gas (NO2). Write a balanced equation for this reaction. 2. In carrying out an experiment based on this reaction, 2.45 L of dinitrogen tetroxide were used. How many liters of nitrogen dioxide are produced? Temp and pressure were constant. Must show work.
although aspirin solutions do not absorb visible light, we are still able to use visible light in an experiment to analyze the purity of aspirin. Why?
if 1 mol of solute particles raises the boiling point of 1 kg of solvent by 3.63 degrees celsius then calculate the
Give the bond angle and describe the shape around the central atom designated in this molecule.
The delta Hvap of a certain compound is 15.39 kj*mol^-1 as well as its delta S vap is 58.08 J*mol-1*K-1. Explain what is the boiling point of this compound
Starting with a 10% solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare 0.1 ppm (part per million) solution. How many ppb's (parts per billion) is this concentration
Combustion of 3.00 g of this compound produced 7.06 g of CO2 and 1.93 g of H2O. What is the empirical formula of the unknown compound?
An element occurs as a mixture of isotopes. The atomic mass of the element is based upon
Given that the density of chloroform is 1.48 g/mL, and the molar mass is 119.38 g/mol, how many moles of chloroform did the student measure?
Calculate the lattice energy (kJ/mol) of the hypothetical ionic compound MX2 from the information given below. IE1+ IE2 (M) = 1,487 kJ/mol M(s)
Which precipitates 1st, 2nd, and 3rd. When the third one to precipitate begins, what percent of the first two ions to precipitate still remain undissolved in the sol'n
In one of the Einstein-Szilard letters, it is mentioned that Leo Szilard has submitted a paper with details of setting up a uranium chain reaction
a compound has the empirical formula ch2o. when 0.0866 g is dissolved in 1.000 g of ether the solutions boiling point
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