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The following lab requires water free conditions as well as reflux for reaction to be successful. Draw a schematic and label your reaction set up. What preparatons are needed for your reaction to be successful?
Maintenance of pH is vital to the cells of all living organisms because enzyme activity is influenced by pH. What is the intracellular pH range of most cells?
what is the chemical equation that describes both these reactions? Please give the chemical equations of what happens in this situation
A .76g sample of polyvinyl chloride (PVC) is dissolved in 250mL of a suitable solvent at 25C. the solution has an osmotic pressure
The net charge of a polypeptide at a particular pH can be determined by considering the pK value for each ionizable group in the protein
Calculate the mole fraction of ethylene glycol in the solution.
190 mL of an HCl solution with pH of 3.60 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
A cylinder contains 975 grams of chloroform, CHCl3, How many atoms of carbon are in the sample? How many atoms of chlorine are in the sample?
If 5.50 g of the unknown compound contained 0.183 mol of C and 0.367 mol of H, how many moles of oxygen, O, were in the sample?
Benzoic acid, 1.25g , is reacted with oxygen in a constant volume calorimeter to form H2O(l) and CO2(g) at 298 K. The mass of the water in the inner bath is 1.40×103g . The temperature of the calorimeter and its contents rises 2.83K as a result of..
A balloon is filled to a volume of 9.00 multiplied by 102 mL at a temperature of 18.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 multiplied by 102 K. What is the final volume of the balloon?
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water.
calculate the molecular mass of the nonionic sloutes. 6403 grams of solute in 3.90 x 10^2 grams of water raises the boiling point to 100.680 c.
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