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If 20.8 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
Consider the following equilibrium process at 686°C: CO2(g) + H2(g) ? CO(g) + H2O(g) The equilibrium concentrations of the reacting species.
Determine the half- life, in hours of iodine-123 If the amount of radioactive Iodine-123 in a sample decreases from 0.4 grams to 0.1 grams in 26.4 hours?
The dimerization of Nitrogen Dioxide has a rate constant of 2.45 x 10-2 L/mol min at 25 °C. What will be the concentration of NO2 after 2 minutes? given a starting concentration of NO2 = 11.5 mol/L
Upon resonding to a 2am domestic transportation mishap, your hazmat team determines that a liquefied compressed gas is leaking from a 5lb steel cylinder.
A 4.90 g nugget of pure gold absorbed 266 J of heat. What was the final temperature of the gold if the initial temperature was 23.0°C? The specific heat of gold is 0.129 J/(g·°C).
Statements correctly describe(s) the relationship between the structure of a fatty acid and its melting point? a. Saturated fatty acids have melting points that increase gradually with molecular weight.
a certain liquid has dH(vap)=26.0kJ/mol. calculate the q,w,dH and dU when 0.50 mol is vaporized at 250K and 750torr
Calculate the molarity for: A.0.5g CO2 in 652 g of water. B. 56g of NH3 in 500 g of water. C. 3.21 g of NaOH in 3405 ml of water.
The volume of a drop of rain was found to be 0.448 ml at N.T.P. How many molecules of water and number of atoms of hydrogen are present in this drop.
14 g of Si reacts with 16 g of O to produce SiO2, the only product, with no reactant left over. How much SiO2 would be produced from 34 g of Si and excess O?
the ratio of the no of molecules in the excited state at the temperature of 213 K to the number of ground state molecules and the percent of the excited molecules at 213 K.?
Calculate the value of delta S when 1.85 mol CH3OH (l) of is vaporized at 64.7 C. The normal boiling point of methanol is 64.7 C.
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