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What mass of calcium hydroxide is needed to completely react with stomach acid?
A hydrogen molecule in it's ground vibrational state with KE=10eV coollides with heavy atom metal surface and no energy is transferred to the surface. The surface can be modeled as an infinite potential wall.
Problem- What is the concentration of Flouride ions (in M) in a 5.09 M solution of (CoF3) cobolt (iii) fluoride
Discuss the similarities and differences between competitive and noncompetitive enzyme inhibition.
Calculate the pH of a dilute solution that contains a molar ratio of potassium acetate to acetic acid (pKa = 4.76) of 5:1? Enter answers with 2 decimal points.
Balance each of the following equations and choose the appropriate expression for its equilibrium constant. a. NO(g)--> N2O(g)+NO2(g)
For the unbalanced redox reaction, identify the substance oxidized, the substance reduced, the oxidizing agent, and the reducing agent. SO2 + 2HNO3 --> H2SO4 + NO
A 20.00 mL sample of the standard KHP (KHC8H4O4) solution requires 24.16 mL of your base to reach the end point. Write the equation for the reaction.
The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. what is the specific heat of this substance.
CsF has a lattice energy -744kJ/mol . Consider a hypothetical salt XY. X^3+ has the same radius of Cs^+ and Y^3- has the same radius as F^- . Estimate the lattice energy of XY
Calculate the Gibbs free energy change of transformation at 286 K and 1 atm. Tin transforms from gray tin to white tin at 286 K and constant pressure of 1 atm. The following data are given for both gray and white tin:CP = 21.6 + 18.2 x 10-3 T
Calculate the initial molarity of Ba(OH)2 and the molarities of Ba2+, OH -, and H3O+ in an aqueous solution that contains 0.70 g of Ba(OH)2 in 0.173 L of solution.
Administration of digitals, a drug used to control atrial fibrillation in heart patients, must be carefully controlled because even a modest overdosage can be fatal. To take differences between patients into account, drug dosages are prescribed in..
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