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Compute the volume (in mL) of a 0.320 M KOH solution that must be added to 4.500 g of HEPES MW=238.306 g/mol, pKa = 7.56 to give a pH of 7.64.
according to the given reaction c2h5oh3o2 reacts with 2co23h2o a 35.6g sample of ethanol c2h5oh is burned a bomb
What is the reducing agent and what has been reduced c. What quantity of iodine can be obtained if 20.0g of NaI is mixed with 10.0g of MnO2 ( and a stoichiometric excess of sulfuric acid)
When 7 mL of a solution containing 2.33 M Na3PO4 is diluted to 30 mL, a dilute solution is formed. How many moles of Na+ ions are contained in 18 mL of the dilute solution
Calculate the cell potential for the following reaction that takes place in an electrochemical cell at 25°C.
A 3.9336 g mixture sample of BaCl2.2H2O (244.26g/mol) and KCl (74.55g/mol) was dissolved in water and diluted to 500.00 mL. A 25.00 mL of the solution is titrated with 0.1250 M AgNO3 with K2CrO4 as an indicator.
What is responsible for the pH behavior of the following solution. Include a chemical equation in your explanation. Show by calculation the pH you would expect from the solution.
determine the heat released when (ethene) CH2 CH2 reacts with hydrogen gas and form CH3CH3.If Bond enthalpies given are H H : 436 kJ/mol,C Br : 276 kJ/mol,C C : 612 kJ/mol,C C : 348 kJ/mol,C H : 412 kJ/mol;
the thermite reaction is a very exothermic reaction it has been used to produce liquid iron for welding. a mixture of 2
When 1.0 m aqueous solutions of sodium carbonate as well as hydrochloric acid react it produces a carbon dioxide, water and sodium chloride. State the balanced chemical equation for the reaction described above (include states of matter)
What percent of bacetrial cell wall will be hydrolyzed at the end of 3 minutes assuming product formation is in 1st order of reaction? b) What will be a concentration of hydrolyzed product at the end of 4 minutes?
What is the function of EACH of the following components in a membrane phospholipid? Fatty Acids, Glycerol
The heater used to heat 1400 L of air in a hot air balloon is turned off. c) A balloon filled with helium at an amusement park is left in a car on a hot day.
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