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Write the balanced chemical equation for the preparation of hydrogen and carbon dioxide gases by the reaction of water and methane gases. Caclulate the Enthalpy, Entropy, and Free Energy changes for this reaction in the standard state. What does each value tell you about the reaction in the standard state.
a solution of 0.312 m koh is used to titrate 15.0 ml of a h2so4 solution. write the balanced chemical equation. what is
A patient needs 2.70×10^-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
how much energy would be required to raise the temperature of 75.0 g of water from 25 c to 75 c
When 9.00 grams of Al react with an excess of H3PO4, 30.0 grams of ALPO4 are produced.What is the percentage yeild of this reaction.
Write a Lewis structure for each atom or ion. Draw the particle by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons and nonbonding electrons.
The protein in a 1.285-g sample of an oat cereal is determined by the Kjeldahl procedure for organic nitrogen. The sample is digested with H2SO4, the resulting solution made basic with NaOH
Molecular equation reaction for copper sulfate penta-hydrate with heat (state of reactants and products must be shown) then when the anhydrous copper sulfates with water
Calculate the concentrations of Co+3 and Oh- in the solution at equilibrium at 20C regardless of whether precipitation occurs or not.
A buffer solutions contains .120 M acetic acid and 0.150 M sodium acetate. How many moles of acetic acid and of sodium acetate are present in 50.0 ml of solution ? = 0.0075 moles.
Discuss the merits and disadvantages of dispensing a drug as a reacemic mixture or as a single enantiomer.
A first order decomposition reaction has a rate constant of 0.0418yr-1. What is the half-life of the reaction in yr
Dehydration upon heating with concentrated sulphuric acid without carbocation rearrangement?
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