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In an AC series circuit the inductive reactance is 50 W and the frequency is 100 Hz. What is the inductance in the circuit?
Explain which element is the central atom, define how many bonds does the central atom form, is it polar or non-polar, define what the direction of negativity is
A 1-L flask is filled with 1.20g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.15 atm. A) What is the partial pressure of argon, P Ar , in the flask
how many joules are required to melt a 325 degrees Celsius ice cube at 0 degrees Celsius and to warm the liquid to 15 degrees Celsius
Suppose a student found a bottle of sodium chloride solution in the lab without a concentration written on the label. What is the concentration of the sodium chloride solution?
How many circular clarifers will be needed if each one is 90 ft in diameter and the surface overflow rate must be less than 575 gal/ft^2/day at the average daily flow rate?
three portions of the same liquid are mixed in a container that prevents the exchange of heat with the environment.
The enthalpy change for the following reaction is -185 kJ. H2(g) + Cl2(g)2HCl(g) Estimate the Cl-Cl bond energy in Cl2(g), using tabulated bond energies (linked above) for the remaining bonds.
Consider the reaction Fe + Sn^2+(1 x 10^-3 M) ? Fe^2+ (1.0 M) + Sn. Calculate the voltage theoretically generated by the cell.
1.3 Kg of Ethane gas (C2H6 ) was heated from 27.0 degree Celsius to 78.0 degree Celsius. Calculate delta E at constant pressure. ( Cp= 52.92 j / K mol)
Calculate the pH at the equivalence point in the titration of 50 ml of 0.10 M methylamine with a 0.20 M HCl solution.
a 2.50-g sample of a large biomolecule was dissolved in 37.0 g of carbon tetrachloride. the boiling point of this
Write a balanced chemical equation showing how it acts as an acid toward water. Express your answer as a chemical equation.
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