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how does structure help predict and affect the Rf of each compound based on intermolecular forces?
A sample of oxygen that occupies 2.5 × 10-6 mL at 508 mm Hg is subjected to a pressure of 1.2 atm. What will the final vol ume of the sample be if the temperature is held constant?
What is the theoretical yeild of NO2 from the reaction of 43.9 g of NH3 with 258 g of O2?
A solution of 0.0041 M of an unknown acid has a pH of 3.195. Calculate the Ka value for the unknown acid, HA.
the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr and the temperature is 25 degrees C. Calculate the atomic mass of the metal.
What statement below best describes the graph representing the integrated 1st order rate law. plot of ln[a] vs t having a straight line negative slope equal to -k
The standard enthalpy change for the reaction below is -905.4 kJ (for the reaction as written). What is the standard enthalpy of formation of NO(g)
Malonic acid is a diprotic acid used in the production of pharmaceuticals. A 0.6561 g sample of a m ixture of malonic acid (C3H4O4) and NaCl was titrated to the equivalence point with NaOH. The titration required 54.94 mL of 0.1009 M NaOH. Malonic..
An X-ray has a wavelength 1.44A. Calculate the energy in J of one photon of this radiation.
If an allylic halide with formula C5H9Cl undergoes an Sn1 reaction with water, what are the two isomeric products
An ideal gas in a sealed container has an initial volume of 2.25 L. At constant pressure, it is cooled to 21.00C where its final volume is 1.70 L. What was the initial temperature
Calculate the membrane potential at 25°C. How would you calculate the membrane potential if it is permeable for Na+ ions in addition to K+
how many joules of heat are needed to raise the temperature of 591 grams of water from 25C to 55C?
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