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What is considered to be the 'acceptable % error' for standard high school and college laboratories?
Consider a two state system with a difference in energy of 200 cm^-1. What is the temperature of the system if there are 5 particles in the ground state and 10 in the excited state
How can glycine act as a buffer at pH 6.00 and why? Please use chemical equations to show how it can act as a buffer at this pH specifically?
If the of a 1.00-. rainfall over 1500 miles^2 is 3.60, how many kilograms of sulfuric acid, , are present, assuming that it is the only acid contributing to the? For sulfuric acid, is very large and is 0.012.
A 13.00 g sample of an ionic compound NaA, where A- is the anion of a weak acid, was dissolved in enough water to make 100.0 mL of solution and was then titrated with 0.100 M HCl.
Problem- A quantity of 0.2 mol Kg^-1 of trimethylammonium hypochlorite [(CH3)3NHCl] is added to a water at 298.15 K. Compute the H3)^+ concentration in the solution.
What mass of KClO4 (in kg) can be obtained from 3.40 kg of KClO when these reactions are carried out and which reactant is the oxidizing agent and which reactant is the reducing agent?
Problem- There is a solution that is 3.8 x 10^-2 M in HCN (Ka = 4.9 x 10^-10) and 1 x 10^-2 M NaCN. Calculate the concentrations of all species present in the solution.
Question- For precipitation reaction of Mn2+ with NaOH What is the a. Chemical reaction b. Net ionic reaction c. Spectator ions
A reaction mixture initially contains 0.56 atm CO2 and 0.32 atm CO. Determine the equilibrium pressure of CO if Kp for the reaction at this temperature is 2.25.
question an experimental car uses hydrogen as fuel and the tank that can hold gaseous hydrogen. the designers have two
201.0 nm ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 3.54 eV. Calculate the binding energy of an electron at the metal surface
The atomic radius of main-group elements generally increases down a group because??
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