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What should be the instantaneous rate of the first order decomposition of 3% H2O2 (3g H2O2 per 100g solution)? Assume the solution has a density of 1.00g/mL and that k=3.66E-3 s-1.
Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X)2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?
Write the expression for the reaction rate in terms of d[NOCl]. c. The concentration of NOCl drops from 0.580 M to 0.238 M in 8.00 min. Calculate the average rate of reaction over this time interval.
How many nucleotides are needed to code for a polypeptide with eleven amino acids
Draw the mechanism of the diel-alder reaction of 1,3-butadiene with maleic anhydride. Does the product have
Strawberries contain about 15 wt% solids and 85 wt% water.To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass.
Calculate the difference in molar entropy (a) between ice and liquid water at 5.00 °C, and (b) between liquid water and its vapor at 90.0 °C and 1.00 atm. The differences in molar heat capacities on melting and on vaporization
if the molar mass of the hydrocarbon is 126.3 gmol what is the molecular formula of the
A solution is prepared by dissolving 228 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
A 59.0-g sample of an alloy at 93.0°C is placed into 264 g of water at 22.0°C in an insulated coffee cup. Assume that no heat is absorbed by the cup.
why doen't the mass number decrease? (because there is one less neutron). But the atomic number increases due. What happens to the electrons?
Calculate the work done in Joules (for each case) when one mole of an ideal gas, initially at P = 9atm, T = 298K is expanded isothermally to P=1atm if
which of these compounds will be the most polar and which of the compound will have the largest London forces?
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