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In a titrimetric chloride experiment, you determine that there are 0.005 moles of chlorine in an unknown sample. The unknown sample weighs 0.92 grams.
What is the percent Cl (mass/mass) in the unknown sample?
Now that you've theorized about what is happening to the photons of energy, hi-light the prediction button white and observe other scientist's theories about the atom.
Assume that the octet rule is followed for the N atom when you draw your structure(s). Pick the correct statement from the choices below.
Consider the following system in equillibrium CaCO3(s) = CaO(s) + CO2(g) How many phases are present. Explain.
describe the unit cell for potassium flouride, copper(I) flouride, and cadmium flouride. How many atoms of each type are in each unit cell?
When 8.0 g of magnesium was reacted with excess dilute sulphuric acid, 20 g of magnesium sulphate was obtained. What is the percentage yield of the magnesium sulphate
The Kc for the reaction of hydrogen and iodine to produce hydrogen iodide equals 54.3 at 430 C. Calculate the equilibrium concentrations of H2,I2
At a particular temperature the equilibrium constant for the reaction: H2(g) + F2(g) ? 2HF(g) is K = 36.0. A reaction mixture in a 10.00-L flask contains 0.42 moles each of hydrogen and fluorine gases plus 0.15 moles of HF.
If the temperature required for this process is 1600°C, what observations would you make considering the fact that the reaction occurs in biological processes
Given that the primitive unit cell of the f.c.c. lattice can be constructed by connecting the origin to the three adjacent face centers.
Butanol and Chlorobenzene form a minimum-boiling azeotropic system. The mole fraction of 1-Butanol in the liquid (x) and vapour (y) phases at 1.000 atm is given below for a variety of boiling temperatures.
The activity coefficients for acetic acid and the acetate ion are 1.000 and 0.775, respectively, in a solution with an ionic strength of 0.10 M.
Suppose you have a 250 mL glass bulb containing an unknown amount of PCl3 gas. If the bulb contains 1.5 atm of PCl3 at 25C
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