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For the following reactions, identify the type (combination, combustion, decomposition, displacement, methathesis [double-displacement)] neutralization), balance the reaction, and for the redox reactions identify the oxidizing agent and reducing agent.
(a) CH4 + O2 ? CO2 + H2O
(b) HCl + NaOH ? H2O + NaCl
(c) H2 + O2 ? H2O
(d) CaCO3 + HCl ? CaCl2 + CO2 + H2O
(e) Zn + HCl ? ZnCl2 + H2
(f) NaCl ? Na + Cl2
the density of iron is 7.874 g/cm^3 at 300K. If iron forms a body-centered cubic lattice, what is the radius of an iron atom?
A solution contains 1.0 x 10-5 M Na3PO4. Calculate the minimum concentration of Ag+ that would cause precipitation of solid Ag3PO4.
Calculate the final temperature when a 20.4 gram sample of ice at 0oC is placed into a styrofoam cup containing 111 grams of water at 72.7 oC. Assume that there is no loss or gain of heat from the surroundings.
electrons and the quantity of electrons it has is the maximum. Calculate its mass number and a number that matches with the 34 neutrons it has.
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%
draw structural formula for protien synthesis by the sugar arrangement using AATCGTATGG
Determine the osmotic pressure (in Torr) for a 50 mL solution containing 30.22 mg of protein with the molar mass
Suppose that the gas in a storage tank exerts a pressure of 55.125 lb/in2 . What is the pressure of the gas in units of torr?
What is the latent heat of vaporization Tsat in kJ/mol? (Answers are 1366 kW and 28.4 kJ/mol) Please show work for good rating.
A water sample has a pH of 8.21 and a total calcium concentration of 143 ppm. What is the total alkalinity of the water?
What volumes of the 0.10 M HA and 0.10 M NaA solution should be mixed to prepare the buffer?
gasoline has the density of .73g/cm^3. how many liters of gasoline would be required to increase the mass of an automobile from 1271 kg to 1305 kg.
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