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For each of the following mixtures, choose the letters in which a reaction will occur. (A.potassium bromide and chlorine) (B. sodium chloride and bromine) (C.potassium iodide and bromine) (D.potassium iodide and chlorine) (E.sodium bromide and iodine) (F. sodium chloride and iodine)
what would you expect to see if you performed a benedits and fehlings tests on manosse and galactose?
Write out the chemical equation and the equilibrium constant expression based on the concentration.
write the net ionic equation for a solution of calcium chloride and a solution of mercury(1) nitrate
Give some values of pressure and temperature at which you are sure that the substance called zinc exists in an equilibrium state as a) solid and b) vapor
Calculate in how many years these signs will have to be replaced. Assume that the end lifetime is when the emission from the tritium is down to only 37% from the initial emission when installed
Calculate the molar solubility of iron sulfide in a solution that is saturated with hydrosulfuric acid, H2S ( [H2S] = 0.1 M) and has a pH of 2.0. Ka1 = 8.9 x 10^-8 and Ka2 = 1.2 x 10^-13.
Compute the difference in the ionization energies for the 1H 2H atoms(The ionization energy is the energy of the transition from the n=1 to the n=infinity energy levels for the hydrogen atom. )?
To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. A chemical engineer places a mixture of noble gases consisting
The isothermal compressibility of graphite is 1.56 × 10-7 bar-1. At what pressure is density equal to density of diamond?
How many atoms of carbon are present in 73 g of a compound that is 83.3% carbon, by weight?
A stainless steel spoon weighs 25.2 g and is at a temperature of 18.5 oC. It is immersed in 81.7 mL of hot coffee (T = 84.0 oC) in a Thermos flask.
Estimate the temperature where ?G=0 for the following reaction: (giving ?H= -176 kJ, and ?S= -284.5 J/K) CAUTION Beware of units. NH3(g)+HCl(g)--->NH4Cl(s)
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