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Write the mass balance equation and charge balance equation for a solution that is 0.1 M FeCl3 and 0.2 M FeCl2
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.718 V. If the silver-silver chloride electrode is replaced with a saturated calome..
A copper wire (density = 8.96 g/cm3) has a diameter of 0.26 mm. If a sample of this copper wire has a mass of 43 g, how long is the wire?
a sample of nitrogen occupies a volume of 600 ml at 60 celcius and 650 mm hg of pressure. what will be its volume at stp?
Using the inverse square law of radiation, what Geiger counter reading would you get for a radioactive material when you are 3 feet from the source (assume an initial reading of 6300 R at a distance of 1 foot from the source)
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
Explain why light intensity is dependent on the distance the detector is from the light source. Describe the mathematical relationship. Explain why all comparative measurments for this experiment should be made with the optical cable the same dist..
what product would you obtain after evaporation of the water from the sodium hydroxide layer before acidifying and filtering the layer
find the molarity of 0.5 grams of sodium chloride is dissolved to make 0.05 ml of solution
suppose that a cars starter draws 225A of current for 6.3 s to start the car. what mass of Pb is oxidized in the lead-acid battery to supply the electricity?(in grams)
Calculate the number of lines per centimeter that should be etched in the grating for each of the following conditions:(a) A first order diffraction angle (?) of -27° for visible light of 600 nm wavelength
Na3PO4+CaCl2 ---> Ca3(PO4)2+NaCl if 0.996 g of Na3PO4 are provided, how many grams of Ca3(PO4)2 should be formed?
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