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Problem- What is the specific enthalpy of steam at 163.0°C and the subtract the specific enthalpy at 25 c?
I need proficient help in the above problems.
If 4.50 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
An oligomeric protein has a molecular weight of 168000. A 420 mg sample was treated with an excess of 1-fluoro-2,4-dinitrobenzene (Sanger\'s reagent) until the reaction was complete
each quarter produced by the u.s. mint is made up of copper and nickel alloy. in each coin there is 0.00740 moles of ni
A solution contains some or all of the ions Cu^{2+}, Al^{3+}, K^+, Ca^{2+}, Ba^{2+}, Pb^{2+}, and {NH_4}^+. The following tests were performed, in order, on the solution
The barometric formula relates the pressure of a gas of molar mass M at an altitude h to its pressure Po at sea level. Derive this relation by showing that the change in pressure dp for an infinitesimal change in altitude dh where the density is P..
Determine the molarity of acetic acid in a 15 ml sample of vinegar that requires 22.7 ml of a .550 M solution of NaOH
(a) Explain how the following factors affect spectrum linewidth of atomic spectroscopy shorter lifetime of excited state of the atom, decreasing temperature, increasing pressure. (b) Define the Doppler's effect on spectrum linewidth.
when 9.8 g of aluminum oxide (Al2O3) decomposes, how many grams of aluminum metal are produced?
Explain An aqueous solution containing barium iodide (BaI2) is electrolyzed in a cell containing inert electrodes and the products at the anode and cathode are
question a reverse osmosis unit is used to obtain drinkable water from a source that contains 0.870 g nacl per liter.
A coin dealer, offered a rare silver coin, suspected that it might be a counterfeit nickel copy. The dealer heated the coin, which weighed 18.0 g to 100°C in boiling water and then dropped the hot coin into 26.5 g of water at T = 16.5°C
What quality of heat is required to change the temperature of 30.0g of water at 10Cto 25C
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