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Problem- Write a chemical equation to describe the reaction of metallic lead with hydroiodic acid, HI(aq). Include correct reactants and products, phase labels, and balanced coefficients
Explain each and every step in detail. I need proficient help in the above problems.
What weight of sodium formate must be added to 400mL of 1M formic acid to produce a buffer solution that has a pH of 3.50
A solid contains X, Y, Z atoms in a cubic lattice with X atoms in the corners, Y atoms in the body-centered positions, and Z on the faces of the cell. if we write the empirical formula of the compound as XaYbZc, what are the values of the coeffiec..
Problem- Ammonia gas is synthesized by combining hyrdogen and nitrogen. If you want to produce 562g of NH3, what volume of H2 gas at 56 degree Celsius and 745 mmHg is required? (r=0.08206 L(atm)/ mol(K), also assume the reaction is not an equilibr..
What is the alkalinity of the river, What concentration of acid, for example, HCl, would result in a pH of 7.5
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.
A 2.00 x 10^-3 mole sample of actylsalicylic acid was dissolved in 15.00 ml of water and titrated with .100 M NaOH. The equivalence point was reached after 20.0ml of NaOH solution had been added.
Another hypothetical molecular compound, Y 2(g), has a bond energy of 750 kJ/mol, and the molecular compound XY(g) has a bond energy of 1500 kJ/mol. Using bond-energy information, calculate ?H for the following reaction:
for a helium aton in a one-dimensional box calculate the value of the quantum number of energy level for which the energy is equal to 3/2kt at 25 degrees c for a 1nm long box
If the E(cell) measured of Cu vs. Zn is .652 and the E(cell) meausered of Zn vs. Sn is .302. what is the E(cell) of Cu vs. Zn
69.6 grams of ice initially at -5°C is added to 301 grams of liquid water initially at 39.1°C in a thermally insulated container. What is the temperature of the water once the contents of the container reach thermal equilibrium
A sprinter set a high school record in track and field, running 200.0 \rm m in 20.7 s. What is the average speed of the sprinter in kilometers per hour
c6h5nh3cl is a cation chloride salt with acid. a if 50.0 g of c6h5nh3cl are dissolved in water to prepare a solution
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