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What is w per mole for a reversible isothermal expansion of an ethane from 5-10 L/mol at 298k assuming
a) ethane is an ideal gas and
b) it follows the Van der Waals equation?
The remaining white solid in the filter paper has ammonia water poured through it. This turns the precipitate in the filter paper black. The new filtrate is treated with hydrochloric acid (HCl), giving a white precipitate. What metal ion or ions a..
Sodium sulfate dissolves as follows: Na2SO4(s) 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M.
Calculate w (in kJ) when 265 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 358 K
density generally increase decrease or remain unchanged when items are heated,Briefly explain your answer?
When 20 mL of a 120 mL stock solution containing 2 M BaF2 is diluted to 80 mL, what is the concentration of F- in the new solution.
The air pollutant NO is produced in automobile engines because of the high-temperature reaction below. If the initial concentrations of N2 and O2 at 1000 K are both 1 M
State three acids, bases, and salts used in therapeutic processes. Describe how one of each is used in therapeutic processes.
00,000 gallon spill of 10 M HCL into 379,000 L lake. Carbonate alkalinity = 150 mg/L CaCO3. Initial pH of lake is 7.50. What is the new pH of the lake after the spill?
What volume of carbon dioxide gas will be produced at 25 degrees Celcius and 590 mmHg, when 65.0 mL of 0.200 M HCl is treated with excess sodium bicarbonate?
A new soft drink on the market is prominently labeled as "caffeine-free". Based on the nature of complaints filed by several consumers, it appears that the "caffeine-free" claim might actually be fraudulent.
the pH of the two equivalence points and the volume
A turbine operates adiabatically with super-heated steam entering at T1, and P1, with a mass flow-rate, m(dot). The exhaust pressure is P2 and the turbine efficiency is gamma
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