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Consider a hydrogen atom in its ground state. What is the energy of its electron? Consider the hydrogen atom in an excited state of 3s^1. What is the energy of its electron?
Write equations for the folowing seperations. indicate any condition required for the reactions to occur, such as p.H 5. Fe2+ and Cr3+ ions from Ni2= ion
the substance B. Both are liquids at room temperature. Which of the statements are true for these liquids under the same conditions of temperature and pressure?
A 29.0-g sample of water at 260. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
An environmental chemist obtained a 200 mL sample of lake water believed to be cntaminated with a single monoprotic strong acid.
Given that the enthalpy of formation is -277.7 kJ/mol for C2H5OH(l) and -393.5 kJ/mol for CO2(g), find the enthalpy of formation for C6H12O6.
Write the formula for each of the following compounds, being sure to use brackets to indicate the coordination sphere.
calculate the enthalpy change for an isobraic change of steam from 0.8 MPa and 250 C to saturated liquid
If you fill the larger tank with oxygen to a pressure of 135 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
What are the advantages of the Stock system of nomenclature over the former one?
A 2.30 L sample of O2(g) was collected over a liquid at a total pressure of 785 torr and 25°C. When the O2(g) was dried (vapor of that liquid removed), the gas had a volume of 1.86 L at 25°C and 785 torr.
Calculate the work, heat, energy and enthalpy change upon: a) expansion by 3.3 L at p=const (isobaric). b) isothermal expansion by 3.3. L against a constant external pressure of 30.0 kPa c) reversible isothermal expansion by 3.3 L.
Predict the products when cyclohexanol is heated in the presence of H+. Show both the organic product and the byproduct
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