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Solid potassium hydrogen phthalate is dissolved in approximately 25 mL of distilled water. Calculate the grams of potassium hydrogen phthalate required to react with approximately 25 mL of 0.1 M NaOH
Draw the product that is formed when the compound shown below is treated with an excess of hydrogen gas and a platinum catalyst.
Write a balanced equation to show the polymerisation of the molecule CF2CF2. Show two repeat units of the polymer.
Benzene and biphenyl are typical by-produdcts of these grignard reactions. Give mechanisms for their formation. IR would not be of much use in differentiating these two byproducts
How many moles of CH_3_COOH are present in the beaker? What is the concentration of acetic acid?
C2H4+3O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2 a. identify the limiting reagent
A mixture of acetone and toluene is boiled at 60 C and at 760 mm Hg. What is the ratio of acetone to toluene in the vapor phase?
One of the treatments for gangrene and the bends, is hyperbaric oxygenation. This occurs in a chamber in which oxygen is used at higher-than-normal pressures.
The corresponding densities of liquid water and water vapor are 0.958 kg/L and 0.000598 kg/L, respectively. Calculate the change of pressure for a one degree change in temperature.
A sample of 1.0 mole of a perfect gas with cp= 20.8 J K-1 is initially at 3.25 atm and 310K. If it undergoes reversible adiabatic expansion until its pressure reaches 2.50 atm. Calculate the final volume and temperature and the work done.
How many grams of Ammonium phosphate need to be combined to 500 and
Calculate the percent error in the experiment using the experimental and theoretical values of the mass percent of oxygen.
sodium chloride dissolved in 225 g of water has a density of 1.98g/ml. Calculate the molarity of sodium chloride.
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