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Topic 1: Chemistry: The Science of Change, Topic 2: Atoms and the Periodic Table, Topic 3: Quantum Theory and the Electronic Structure of Atoms. Please note: I would need someone who really knows this stuff well as I am really trying to get a 100%.
Calculate the pH during the titration of 30.00 mL of 0.1000 M KOH with 0.1000 M HBr after 30.26 mL of the acid
a what is the shortest possible wave length of light that can beemitted by such an atom? assume all transitions are
For the reaction what is the cell potential at 25 if the concentrations are 0.653 , 0.173 , and 0.852 and the pressure of is 6.80
What is the change in entropy for the system, surroundings, AND total for the following processes
Titration of a 360 mg sample of synthesized aspirin with 0.100 M NaOH solution needed 20.30mL. Explain what is the EMM of the sample and what is the % ASA
Hydrogen peroxide decomposes to give water and oxygen gas according to the equation below. If 3.0 moles of hydrogen peroxide decompose
The mean velocities of HCl gas and NH3 gas at 25 degrees Celsius are 450m/s and 660m/s respectively. With these speeds in mind, briefly explain why so much time was required
When an aqueous solution of K2CrO4 is mixed with an aqueous solution of AgNO3, a brown precipitate forms. a) Write the balanced molecular equation (including all products and phases) for this reaction.
A dilute electrolyte solution is prepared by dissolving iron(III) chloride in water. It is found to have a freezing point
Problem- Henry's law constant for CO2 at 38 degrees Celsius is 2.28x10^-3 mol/L*atm. Calculate the pH of a solution of CO2 at 38 degrees Celsius in equilibrium with the gas at a partial pressure of 4.95 atm.
the reactant concentration in a first-order reaction was 6.80times10-2 m after 10.0 s and 4.40times10-3 m after 65.0s.
A 9.20-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.315atm and 0.803 atm. If 0.180 mol of a third gas is added with no change in volume or temperature, define what will the total ..
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