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A hydrate of calcium sulfate CaSO4.XH2O contains 20% water. calculate the ater of crystallization (X), and write the formula of the hydrate
Calculate the percentage of alcohol in the patient's body. State the chemical reaction that took place in the patient's body.
Acetylene (C2H2) can be produced from the reaction of calcium carbide (CaC2) with water. Draw the localized electron orbital model (hybridized orbital model) for the acetylide anion (C22-), showing ?, ?, and lone pair electron orbital.
The air in a laboratory was measured with a barometer to be 7.40 x 10^2 mm Hg. What is the laboratory air pressure in atm?
Calculate the equilibrium constant of the reaction I2(g)52 I(g) at 1000 K from the following data for I2: # = 214.36 cm
0.40 moles of a diprotic acid h2a is dissolved in 250 ml of water. the ka1 of this acid is 1.0 x 10e-5 and ka2 is 1.0 x
Since the periodic table currently has 7 periods (and will have 7 until element 119, which will be the first element of the 8th period, is "discovered"), consider the electron shell with principle quantum number, n = 7.
A laser pulse of light with a frequency of 1.14 × 1020 Hz contains 2000 photons. Calculate the energy in J of the pulse.
Estimate the vapor pressure at 45 degrees C using the Clausius-Clapeyron equation and the two given data points.
The reaction is 2-methyl-2-butanol and HCl to 2-cloro-2-methylbutane and water. Why polar solvents would be expected to increase the rate of the reaction
A and B are two species which react in the presence of an acid catalyst. Would you expect the catalyst to appear in the rate law
Consider the reaction Cl2(g) + I2(g) 2 ICl(g), which is endothermic as written. What would be the effect on the equilibrium position of increasing the volume of the reaction container
Which of these reactions are unimolecular and elementary, which are bimolecular and elementary, and which are not elementary?
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