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Keep 500g of aluminum chips in a tea cup calorimeter also then add 100.0mL of 1.00 M HCL.
State the balance equation for the reaction and compute the enthalpy change for this reaction (in kJ/mol) if the temperature of the solution increases from 22.2 degrees C to 44.8 degrees C? Presume the specific heat of the solution is 4.20 J/g*C also the density of the HCL solution is 1.00 g/cm3.
Write the overall balanced equation of potassium permanganate with sodium oxalate in acidic solution using the half reaction method. Indicate the oxidation states for each species as well as the oxidizing agent and reducing agent.
a 93.7 g 5.20 mole sample of water is heated to exactly 94.4 celsius. it is then added to 90.1 g 5.00 mole of water at
A compound of carbon, hydrogen, and oxygen contains 54.5% carbon and 9.10% hydrogen. what is its empirical formula
The mixture is cooled to the temperature of liquid nitrogen at which ammonia freezes out and the remaining gas is removed from the vessel. Upon warming the vessel to 0.00°C and one atm, the volume is 98.7 cm3
How many mL of 0.450 M NaOH are needed to react completely with 25.0 mL of 0.250 M Fe Cl3 solution? FeCl3 aq + 3NaOH arrow to Fe(OH)3 aq +3NaCl aq
Citric acid, represented by H3Cit, is a triprotic acid. A student mixes together the following solutions in a styrofoam coffee cup: • 5.00 mL of 0.64 M citric acid
Name two amino acids that are mostly positively charged at neutral pH. A Lysine and arginine B Histidine and arginine C Cysteine
what mixing proportion is required for lime stone with 91% CaCO3, and clay with 31% CaCO3 to get a raw mix with a CaCO3 content of 76%.
provide the newman projections across the c2-c3 bonds for the major conformers after drawing the zig-zag structures of
1. calculate the root square mean velocity of cl2 at 25 ordmc.2. an unknowngas effuses at a rate that is 0.462 times
an ecell consists of a ag electrode in contact with 346 ml of 0.1 m silver nitrate solution and a mg electrode in
As per the Haber Process(N2(g)+ 3 H2(g)= 2 NH3(g) ) ,what mass of nitrogen should you see in the reaction If you must produce 700g of ammonia? Percent yield of this reaction = 70%
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