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Suppose a cup of coffee at the campus coffee shop is $1.50, and a cup of hot tea is $1.25, and a student's beverage budget is $20 per week. What is the most cups of tea the student could buy?
Consider a steel tank whose volume is 65.0 L and which contains O2 gas at a pressure of 18100 kPa at 22°C. What mass of O2 does the tank contain?
What is the volume of the air space when the bell has been lowered to a depth of 50m? Take the density of sea water to be 1.025gcm^-3 and assume that the temperature is the same as on the surface
Tetrahedral complexes of Co2+ are quite common. Use a d-orbital splitting diagram to rationalize the stability of Co2+ tetrahedral complex ions.
Calculate ?G° for the reaction of ammonia with fluorine. 2NH3(g) + 5F2(g) ? N2F4(g) + 6HF(g) Substance: NH3(g) F2(g) N2F4(g) HF(g) ?G° f (kJ/mol): -16.4 0 79.9 -275.4 179.1 kJ -179.1 kJ 1539.7 kJ -1539.7 kJ None of these choices is correct.
If the heated copper is then placed into the water in the insulated container, given that the specific heat of copper is 0.385J/(gC), calculate the maximum temperature of the water after the copper metal is added.
What did you observe in the reactions of zinc with 4 different acids: HCL, H2SO4, H3PO4, and CH3COOH
Balance the following equation in basic conditions. Phases are optional. SO3 2- + Co(OH)2 yields Co + SO4 2-
Consider ethanal (acetylaldehyde) which can exist as a pair of tautomers in equilibrium. Calculate the SCF energies of keto and enol forms, convert to Kcal/mole and calculate their relative energy values.
Add 1mg of alcohol dehydrogenase. Assuming all of the ethanol is converted to acetaldehyde, what will the final concentration of NADH be in the solution
Gaseous ammonia reacts with oxygen gas to produce gaseous nitrogen monoxide and liquid water. If 750 grams of ammonia and 750 grams of oxygen gas were mixed
A student measures 0.2452 g of a monoprotic solid acid, and dissolves the solid in water to make 100.0 mL of solution. The entire solution is titrated to a phenolphthalein endpoint with 45.09 mL of 0.1752 M KOH.
A 19.91 g sample of Mo2O3(s) is converted completely to another molybdenum oxide by adding oxygen.
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