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Calculate the standard free energy change at 25 degree Celsius with F=96,500 for 3Fe^2+(aq) + 2Cr(s) --> 3Fe(s) + 2Cr^3+(aq)
A 24.9 mL volume of HCl reacts completely with 55.0 mL of aqueous Na2CO3. The reaction is as follows: 2HCl (aq)+ Na2CO3(aq) ->CO2(g)+H2O(l)+2NaCl(aq) The volume of CO2 formed is 141 mL at 27°C and 742 mmHg.
How many grams of hydroxyapatite will dissolve in 1.00 L of H2O? Ksp= 2.34*10^-59; Molar mass=502.3 g/mol Ca5(PO)3OH = 5Ca^2+ +3 PO4^3- +OH^-
Compare trials 1 and 2 to determine the order of reaction with respect to iodide ions. How did the concentration of iodide ions change in these two trials, and how did the rate change accordingly? What is the reaction order for iodide?
Complete and balance the following equation: BrO3^-(aq)+N2H4(aq) -> Br2(l)+N2(g) And identify the oxidizing and reducing agents from the resulting balanced equation.
Assume you carry out an experiment when the atmospheric pressure is 765mmHg and the temp in 24 degrees C. you collect Hydrogen gas and want to know the pressure of the gas
caclculate the number of grams of Fe formed when 0.300kg of Fe2O3 reacts.
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?
How much energy is required to vaprorize 150 ml of c6h6 at 25 c? the density of c6h6 is 0.87 g/ml and the enthalpy of vaporization is 30.8 kj/mol
Consider the reaction A+2B = C whose rate at 25 C was measured using three different sets of initial concentrations as listed in the following table: Trial Rate 1 0.25 0.010 7.5×10?4 2 0.25 0.020 1.5×10?3 3 0.50 0.010 3.0×10?3 Part A What is the r..
Why do the group 5A elements have relatively small electron affinities compared to the neighboring nonmetals in the corresponding rows
Draw a Newman projection of the most stable conformation of (2R, 3S)-dibromobutane sighting down the C2-C3 bond.
What is the balanced equation for copper (II) hydroxide + acetic acid (HC2H3O2)? and what is it's reaction, single, or double replacement.
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