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Calculate the boiling point (in Celsius) of 25% of an antifreeze in water. The antifreeze is a covalent compound with a molar mass of 62.1 grams and water's Kb is .51 C.
Use the van der Waals parameters for chlorine to calculate approximate values of (a) the Boyle temperature of chlorine and (b) the radius of a Cl2 molecule regarded as a sphere.
The decomposition of dimethyl ether (CH3OCH3) to methane, carbon monoxide, and hydrogen gases is found to be first-order.
Calculate how many moles of nitrogen will be required to make 10.0 moles of NH 3 and calculate what is energy of each pulse If each pulse contains no of photons =1.20 x 10 18
A large number of polycyclic benzenoid aromatic hydrocarbons are known. One of these, benz/a/pyrene, is a powerful carcinogen found in tobacco smoke.
A system at equilibrium contains I2(g) at a pressure of 0.16 atm and I(g) at a pressure of 0.20 atm. The system is then compressed to half its volume
what is the freezing point of an aqueous solution that has 25.0 g of glucose, C6H12O6 per 100.0g H2O (Kf=186C/M)
A mixture of 2.00 moles of H2, 3.00 moles of MH3, 4.00 moles of CO2, and 5.00 moles of N2 exert a total pressure of 350kPa. What is the partial pressure of each gas?
Draw a diagram showing the stratification in a body of water. Label the different layers and describe the type of chemistry (and species) that occurs at each level.
Exact potential difference in the concentration cell, What will be the exact potential difference in the following concentration cells?
How are the opposing pathways of glycolysis and gluconeogenesis prevented from extensive
Determine the expression for the rate of reaction with respect to each of the reactants and products
magnesium undergoes a single displacement raction with hydrochlic acid. how many grams of hydrogen gas will be produced from the reaction of 3.00 g of magnesium with 4.00 g of hydrochloric acid? identify the limiting and excess reactants.
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