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Nitric acid is not merely a strong acid however also a strong oxidizing agent. In the hot concentrated acid solution, the reaction with zinc is 3 Zn(s) + 8 HNO3? 3 Zn(NO3)2(aq) + 2 NO(g) + 4 H2O
Compute the mass of Zn(s) necessary to produce 4.3 g of NO(g) when the metal comes into contact with excess nitric acid.
A nurse is asked to deliver morphine bt IV to a patient at a rate of 20 mg every four hours. The concentration in the IV bag is given as 0.13%. How many milliliters
How many mL of 2.56M solution of KCl are required to prepare 500.0 mL of 1.33 L of a 0.175M KCl solution
A 15.00 mL sample of unknown concentration of sulfuric acid is precititated with excess lead(II) nitrate and a precipitate of lead(II) sulfate is collected.
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.150 M HClO(aq) with 0.150 M KOH(aq). The ionization constant for HClO is 4.0*10^-8
a gas cylinder witha volume of 3.00 dm^3 contains 8.00 moles of oxygen gas at a temperature of 50.0k. what is the pressure inside the cylinder.
nickel has a face-centered unit cell with all atoms at lattice points and an edge length of 352.4 pm. the density of
A round plate having a diameter of 30.0 cm is being silver plated on one side, by electrolysis of silver nitrate, where the plate is the cathode
A 0.050 M CaCl2 solution is adjusted to a pH = 8. Will Ca(OH)2(s) precipitate.
Suppose 28.3 g of ClF3(g) and 24.4 g of Li(s) are mixed and allowed to react at atmospheric pressure and 25 C until one of the reactants is used up, producing LiCl(s) and LiF(s). Using the NIST value for the enthalpy of formation of ClF3 (webbook...
1. what is the formula of a compound if a sample of the compoundcontains 0.537 mol x 0.358 mol y and 0.895 mol z?2.
Calculate the wavelength in meters of light absorbed by an electron in an atom of hydrogen as it moves from n = 3 to n = 6.
Some atomic properties depend on the average value of 1/r rather than the average value of r itself. Evaluate the expectation value of 1/r for a hydrogenic helium 1s orbital.
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