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The standard molar heat of fusion of ice is 6020 J/mol. Calculate q, w, and E for melting 1.00 mol of ice at 0C and 1.00 atm pressure.
When you heated the hydrated compound this process starts slowly at first find out the reason behind this and compute k for this acid if A 0.020 M solution of weak acid HA is 0.60% ionized.
Ttotal ammonia concentration = 0.400 M. determine What is the concentration of NH 4 + ?
Find the mass of the substance and the volume of a gas in a reaction - determine the mass of solid ammonium nitrate that must be used to obtain 0.145 L of dinitrogen oxide gas at STP.
How many molecules of acetylene (HCCH) react with 123 molecules of oxygen to produce carbon dioxide and water.
Determine how many milligrams of H 2 O are present in sample If the freezing point of 100.0 grams of sample of 2-methyl-2-propanol =24.59C, (2methyl-2propanol has Kf=4.68Ckg/mol
A compound is heated to produce gas whose molecular mass is to be determined. The gas is collected by displacing water in a water filled flask inverted in a trough of water
A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.
How many milliliters of 6 M HNO3 would you add to 300 mL of the buffers solution to change the pH from 5.09 to 5.03?
How to Name and Define Acids, How can you know that HNO3 is nitric acid and HNO2 is nitrous acid? How do you know the difference in endings?
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2, and 12.0 g of He at 14 oC is in a 50.0 L container. What is the partial pressure of N2.
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
Conversion of aqueous formaldehyde to methylene glycol? Assuming that you have formaldehyde, CH2O, fully solubilized in water at a temperature of 200 degrees F, is the first order and natural reaction
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