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A certain automobile of mass 1920 kg travels on a German autobahn at 120 km/h. What is the wavelength of the automobile?
A pound of coffee beans yields 48 cups of coffee. How many milliliters of coffee can be obtained from 1 g of coffee beans?
If the titrant has a molarity of 0.2750 M and there are 5.00 mL of analyte present, what is the molarity of the analyte
Determine the mass of propylene glycol neded to substitute one gallon of ethylene glycol and also find out the volume of propylene glycol, required to get the same antifreeze protection as one gallon of ethylene glycol.
What is the total pressure of a mixture of gases made up of CO2, O2, and H2 if the partial pressures are 2.2atm, 400mmHg and 112kPa respectively.
A first order reaction has an activation energy of 65.7 kJ/mol and a frequency factor (Arrhenius constant) of 2.36 x 1013 sec -1. Calculate the rate constant at 18 oC
Conductivities are often measured by comparing the resistance of a cell filled with the sample to its resistance when filled with some standard solution, such as aqueous potassium chloride. The conductivity of water is 76 mS m^?1 at 25°C
draw the Lewis structure with all bonds and lone pairs (b) indicate directions in all bond dipoles (c) indicate the molecular dipoles and (d) indicate the shape of each molecule.
HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous water
7.65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH after 65.50 mL of base have been added? (Ka for HF is 6.8 x 10-4)
if you dissolve the weighed mass of zinc in water which had not been deionized, how would the volume of EDTA required to reach the indicator end-point
At a certain temperature, the root mean square speed of CH4 molecules is 1610 km/h. what is the root mean square speed of CO2 molecules at the same temperature ?
What is the energy of a C-C bond in kJ/mole? Explain. How does this amount of energy compare?
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