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Consider the following unbalanced equation H1+(aq) + Fe(s )--> H2(g) + Fe2+(aq)
a.) Write the half-cell reaction for the oxidation.
b.) Write the half-cell reaction for the reduction.
c.) Write the balanced equation for the cell reaction. Keep substances in the order given in the original equation.
Calculate the mass of water formed by the complete reaction of 935 g of propane (C3H8) with excess oxygen. (Write a balanced equation)
What is the amount of energy packaged in a photon with a wavelength of 310 nm. Calculate the frequency of EM radiation with a wavelength of 1.2 x 10-7 m
Based on the solubility rules, which one of these is insoluble in water?
Choose the answer that shows a correctly balanced equation.
Describe the attractive and repulsive forces between an atom of oxygen and an atom of sodium .
In the reaction of aluminum metal and oxygen gas to make aluminum oxide, how many moles of aluminum will react with 0.80 grams O2?
If 3.0 ml of distilled water is added to 2.0 ml of 0.35 M CoCl2 solution , what is the concentration of the resulting solutions?
Consider the following reaction for the dissociation of benzoic acid (MW=122 g x mol^-1) in water where Ka for benzoic acid is 6.5 x 10^-5. C6H5COOH(aq) + H2O (l) C6H5COO-(aq) + H30+(aq)
The experiment all you observed rate law is rate =k [NO]^2 [Br2]. Show this mechanism is valid by deriving the rate law expression and showing that it is equal to the experimentally observed rate law
what is the change in enthalpy for 2.854 moles of the liquid?
How much does the molar enthalpy change when 147 g. of water cools from 90.0 C to 17.0 C when 20.0 g. of KCL is added to the water? Is this reaction exothermic or endothermic?
A 65 L sample of dry air cools from 133°C to -16°C while the pressure is maintained at 2.85 atm. What is the final volume?
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