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In terms of uncertainty, why is an endpoint volume of 9 mL less preferred than an endpoint volume of 35 mL? In terms of uncertainty, why is an endpoint volume of 55 mL less preferred than a volume of 35 mL?
For the equation gKHP=(.10M of NaOH)(35ml)(1ml/1000L)(MW of KHPg/mol)
the MW of KHP is about 204.23
A certain second-order reaction (B--> products) has a rate constant of 1.40×10^-3 M^-1*s^-1 at 27 Celsius and an initial half-life of 280s . What is the concentration of the reactant B after one half-life?
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
Draw a flow sheet to show how you would separate the components of a mixture containing an acid substance, toluic acid; a basic substance, p-bromo-aniling and a neutral substance, anthracene.
Use the Nutritional information on the food bag to calculate the calories per gram? How does this information compare to your information? How do you explain the discrepancy? How could you do the experiment differently to get a more accurate value..
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Write thermochemical equations for the decomposition of one mole of sodium fluoride into the elements in their stable states at 25 degrees celcius at 1 atm.
Calculate the average molecular weight of a gaseous mixture with the following composition on a mole % basis: CH4= 30%, H2= 10% and N2= 60%.
a sample of 0.600 moles of metal M reacts completely with excess of flourine to form 46.8g of MF2. How many moles of F are present in sample of MF2 that forms?
The dipole moment of SO2 and CO2 are 5.37x10-30 C.m and zero, respectively. What can be said about the shapes of the two molecules.
Define Ideal gas law, Calculate the free energy of mixing when 1 mole of liquid A is mixed with 4 moles of liquid B at 25 degrees C to form an ideal solution. What is the change in chemical potential of component A?
Nitrogen dioxide reacts with water to form ammonia and oxygen. At a temperature of 23.0 degrees Celsius and a pressure of 1.01 atm, how many grams of ammonia can be produced when 9.00L of nitrogen dioxide react?
Calculate the concentration of acid(or base) remaining in solution when 5.39mL of 6.93M HNO3 is added to 9.37mL of 8.37M NaOH. Note the final volume is the sum of two added volumes. which of the following statement is true for the solution after m..
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