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In the experiment "Separation of the Components of a Mixture" A student found that her mixture was 13% NH4Cl, 18% NaCl, and 75% Sio2. Assuming that her calculations are correct, what did she most likely do incorrectly in her experiment?
Consider a voltaic cell at 25o C consisting of a Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell ([Pb2+] and [Mn2+] are 1.0 M). If you want to convert this voltaic cell into an electrolytic cell, how many volts must you supply
The alcohol content of hard liquor is normally given in terms of the "proof," which is defined as twice the percentage by volume of ethanol (C2H5OH) present. Calculate the number of grams of alcohol present in 1.00 L of 81-proof gin. The density o..
How much heat is liberated by the combustion of 183 g of hydrogen? ΔHcomb = -286 kJ/mol.
a solution is prepared by mixing 50.0 ml of 0.17 m pbno32 with 50.0 ml of 1.9 m kcl. calculate the concentrations of
The final temperature of the calorimeter is 24.4 °C. What is the specific heat capacity of the unknown metal. The specific heat capacity of water is 4.184 J/g-1 °C-1.
If a solution containing 46.46 g of mercury(II) acetate is allowed to react completely with a solution containing 7.410 g of sodium sulfide, how many grams of solid precipitate will be formed?
What is the acceptable maximum compression ratio and discharge pressure for the discharge temperature not to exceed 250 F to 300 F. What is the corresponding required compression horsepower
Solid benzoic acid, C6H5COOH(s), is often used to determine the heat capacity of a bomb calorimeter, because the constant volume heat of combustion of this compound is known with high precision
Any feedback/how to would be great Calculate the concentrations of all species present in a 0.25 M solution of ethylammonium chloride (C2H5NH3Cl). [C2H5NH2]_____ M [H+]____M [C2H5NH3+] ___ M [Cl -] ___M [OH -] ____M
What mass of oxygen (in grams) reacts when 13.2 g of methanol (CH3OH) are combusted in oxygen to produce carbon dioxide and water
Draw 2 resonance structures for the anion -CH2CHO formed from ethanol. Show all valence electrons as bonds or lone pairs and indicate any formal charges.
What volume will 1.56 liters of a gas at 27°C and 745 mmHg of pressure occupy at 100°C and 700 mmHg of pressure?
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