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What will be the equilibrium temperature when a 245 g block of lead at 300oC is placed in 150-g aluminum container containing 820 g of water at 12.0oC?
A gas mixture contains 75.2% nitrogen and 24.8% krypton by mass. What is the partial pressure of krypton in the mixture if the total pressure is 884mm Hg
Dilute solutions of sodium chloride(NaCl), Sodium sulfate(Na 2 SO 4 ), and Sodium sulfide (Na2S) are available to separate the positive ions from each other., in which order the solutions should be added In order to effect separation?
When the body metabolizes glucose water and carbon dioxide are produced according to the following equation. C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O
How many grams of oxygen gas (O2) will it take to oxidize 1 pound of iron metal? Make sure to show the redox reaction and all work.
What is the hybridization of the nitrogen atom in sulfathiazole, and assuming the sulfur atom is sp2 hybridized how many electrons are there in the sulfathiazole ring
A lactic acid/lactate ion buffer solution contains 0.24 M HC3H5O3 and 0.82 M C3H5O3^-, respectively. The Ka value of lactic acid is 1.4*10^-4. Calculate the of this buffer. Express the pH numerically.
Butane (C4H10) reacts with oxygen in the air to from carbon dioxide and water. how many moles of carbon dioxide can be formed from 1.25 mol of butane and excess oxygen?
a certain compound has a half-life of 14 minutes at 25c. its decomposition is a first order process. how much time does
how much energy (MJ) can be obtained from incineration and how much CO2 (kg/year) may be released in that year? 2) How much of that energy (MJ) can be actually converted into electric power if the conversion efficiency is 23%?
Peroxydisulfate ion oxidizes iodide ion to triiodide ion, I3, The reaction is S2O82- (aq) + 3I- (aq) --> 2SO42- (aq) + I3- (aq). How is the rate of reaction that is expressed as the rate of formation of I3- related to the rate of disappearance of ..
The enthalpy of fusion of ethanol is 5.02 kJ/mol, and its enthalpy of vaporization is 38.56 kJ/mol.
If a 100.00 g sucrose solution has a boiling point of 101.5oC, how many moles of sucrose are in the solution. How many grams
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