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(a) What is the formal charge on E? O (33%) (b) What is the oxidation state of E? 4 (33%) (0) Which element could E represent? (Enter the correct atomic symbol.)
A beaker of nitric acid is neutralized with calcium hydroxide. Write a balanced molecular equation and a net ionic equation for this reaction.
sketch flow diagram amp explain the extraction process.1. what is the purpose of extracting the organic layer with
A balloon containing 34.5 L of a gas at room temperature (25.0 oC) is heated to 73.5 oC. What is the volume of the balloon at this new temperature?
Determine the activation energy in kJ/mol for a first order reaction if its specific rate constant 3.00e-05 s-1 at 350. K and 2.04e+02 s-1 at 510. K Ea= An Arrhenius plot (ln k vs. 1/T) for a second order reaction (2A -> C) produced a straight lin..
If each mole of gas occupies 55 L under the conditions of the explosion, how many liters of gas are produced? c) how many grams of N2 is produced in the detonation?
Problem- A vapor-compression refrigeration system, using ammonia (R-717) as the refrigerant, is operating with and evaporator temperature of -5 degree C and condenser temperature of 40 degree C.
Celsius and -125 degrees Celsius , respectively. Calculate the entropy changes for fusion ( solid to liquid) and vaporization (liquid to gas ).
a manufacturer of metal polishing compound which can polish SS items by buffing method. Currently am using Calcined Alumina Polishing grade as a main ingredient but i need much more polish.
One mole of an ideal gas, initially at 30 ºC and 1 bar undergoes the following mechanically reversible changes. It is compressed isothermally to a point such that when it is heated at a constant volume
A titration is performed in which 50.0 mL of 0.0463 M acetic acid (Ka = 1.8*10^-5) is titrated with 0.1000 M NaOH. Calculate the pH at the beginning of the titration
Calculate the molality of the solution and the molar mass of reserpentine.
How many grams of barium sulfate are produced if 25.34 mL of 0.113 M BaCl2 completely react given the reaction.
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