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Consider the following reaction: Na(s)+H+ (aq)→Na+ (aq)+H2(g).
Write the half reactions involved in this process.
Calculate the standard emf for the reaction and indicate whether this process is spontaneous.
Calculate the equilibrium constant for the reaction inat 298K.
What is the Kp equalibrium constant expression for the following equalibrium? S8 (s) + 24F2(g) 8SF6(g) Kp=
Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Balance the equation.
A person has been accussed of severely injuring another person in a barroom brawl. The accused was arrested and samples of hair and skin were take from under the person's fingernails. The hair matched the color of the victim's hair.
When 2.150 g of AX (s) dissolves in 200.0 g of water in a coffee-cup calorimeter the temperature rises from 21.2 oC to 32.3 oC. Calculate the enthalpy change (in kJ/mol) for the solution process AX (s) --> A+ (aq) + X- (aq) Assumptions for this calcu..
Calculate the work done in Joules by the reaction 2 Na + 2 H2O>>> 2NaOH + H2 when 0.23g of Na reacts with excess water in a container to form hydrogen gas at 300. K and 1.0 atm.
For this assignment, write about a hazardous materials incident or an environmental health and safety (EHS) project that involves a material(s) with a hazard(s) that falls under the hazard classification that we have studied so far (water/air reac..
calculate the energy in the form of heat in kj required to change 75.0 g of liquid water at 27.0 degc to ice at -20.0
The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. Explain by what factor does the rate of this reaction enhance as the temperature rises from 243 to 278 oC. The factor is the ratio of the rates.
What is the expression for Kc for the following equilibrium. CaCO3(s) yields CaO(s) + CO2 (g). please explain
A goose is flying south for the winter at a constant speed. Keep in mind that one mile is 1.61 , and one pound is 454 .The goose has a mass of 20.1
Lab Assignment: Beer's Law- Create a Beer's law plot and best fit line for the data in Table 1. Describe possible sources of error in this experiment.
Consider the Bohr model of the hydrogen atom. What would the visible emission spectrum of hydrogen look like if electrons transitioned from a higher orbit to a lower orbit by way of slowly falling into the lower orbit over time while releasing ene..
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