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A certain reaction has activation energy of 51.14 kJ/mol. Explain at what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 321 K?
which of the following reaction mechanisms proceeds with inversion of configuration at a stereogenic center?a. sn2b.
a sample of argon is at a pressure of 1.24*10^4 kPa of 24 degrees c in a rigid 25-L tank. How many moles of argon does this tank contain?
At a particular temperature, Kp = 0.25 atm for the reaction N2O4(g) 2NO2(g) a. A flask containing only N2O4 at an initial pressure of 4.5 atm
Elementary mercury was first discovered when a mercury oxide was decomposed with heat, foarming mercury metal and oxygen gas. Wehn 0.24-g sample of the mercury oxide is heated, 0.189-g of mercury metal reamins.
The water resulting from the melted ice reaches the temperature of your skin, 29.1 °C. Explain how much heat is absorbed by the ice cube and resulting water. Presume that all the water remains in your hand. Constants may be found here.
How much heat is required to raise the temperature of a 7.40-g sample of iron (specific heat = 0.450) from 25C to 79.8C?
State which of the following orbitals cannot exist according to the quantum theory 2s,2d,3p 4f and 5s
A 35.0-mL sample of 0.20 M LiOH is titrated with 0.25 M HCl. What is the pH of the solution after 23.0 mL of HCl have been added to the base?
which one of the following best describes the c3-c4 bond in 1-butene? a sp3-sp3 and sigma b sp2-sp2 and sigma c sp2-sp3
A beaker contains 0.964 grams of nitrogen. How many moles of molecular nitrogen does the beaker contain?
The Henry's Law constant of methyl bromide, CH3Br, is k = 0.159 mol/(L • atm) at 25°C. What is the solubility of methyl bromide in water at 25°C and at a partial pressure of 250. mm Hg?
the balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n 2
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