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A gas occupies 4.04 L at 860 torr and 10C. What volume will it fill if the pressure is changed to 731 torr and the temperature is raised to 43C
Multiple choice questions in nuclear chemistry - which equation represents the balanced nuclear equation
A compound has the empirical formula CH2O. When 0.0866 g is dissolved in 1.000 g of ether, the solution's boiling point is 36.5°C. Determine the molecular formula of this substance.
Calculate the change in pH when 5.00 mL of .100 M HCL is added to 100 mL of a buffer solution
A 26.0-g sample of ice at -11.0°C is mixed with 123.0 g of water at 90.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A solution is prepared by dissolving 0.60g of nicotine in water to make 12mL of solution. The osmotic pressure of the solution is 7.55atm at 25 degrees C
If 24g Mg is used and the percentage yield is 95%, how many grams of magnesium hydroxide should be recovered?
Dehydration upon heating with concentrated sulphuric acid without carbocation rearrangement?
A lime-soda softening plant treats a flow of 150 MGD, and the water has 86 mg/l CO2. The commercial grade of quicklime has a purity of 85% and the soda ash has a purity of 95%.
Which molecular species would be necessary for the formation of the product in the reaction; a primary carbocation, a tertiary carbocation, a primary carbanion, a secondary carbanion or SO4?
Determining System Equilibrium, A one-litre cylinder at 458'C is found to contain 0.36 moles of HI (g), 0.15 moles of I 2(g), and 0.18 moles of H2(g). Is this system at equilibrium?
Calculate the heat of formation, Hof, of pentane given that the Hof of H_2O(l) is -285.3 kJ mol-1 and Hof of CO_2(g) is -393.5 kJ mol-1
Calculating Delta H, Use some or all of the following reaction enthalpies to calculate delta H for the reaction:
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