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At 25.0°C, a sample of Xe gas occupies 545 mL in a piston-cylider apparatus when the external pressure is 751 torr. At what pressure (torr) will its volume become 673 mL if the temperature does not change?
Calculate the heat released as 115 grams of water cool from its normal boiling point (100 degrees C) to a temperature of 33 degrees C.
Hydrogen gas can produced in the laboratory through the reaction of magnesium metal with hydrochloric acid. What is the volume, in liter, of H2 gas produced at 24°C and 835 mmHG, from the reaction of 12.0 g of Mg
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0824 M), V2(SO4)3 (0.395 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.
How many ATPs are synthesized for every cytoplasmic NADH that participates in the glycerophosphate shuttle in insect flight muscle?
What is the resonance structure that best describes the overall structure of the SNO+1 ion
As pH increases, hydronium ion concentration increases. As pH increases, hydroxide ion concentration increases
The mass spectrum of an organic compound shows the relative abundances of M to be 62.87% and M 1 to be 4.760%. Assuming the peaks are caused by 12C and 13C isotopes,
The polarogram for 20ml of solution that was 3.65*10^-3 in Cd2+ gave a wave for that ion with a diffusion current of 31.3µA . calculate the percentage in change in concentration of the solution
A system comprised of chloroform, 1,4-dioxane, and ethanol exists as a two-phase vapor/liquid system at 50 degrees C and 55 kPa.
If 1/2 mole of oxygen are reduced at the end of electron transport, how many moles of electrons and protons are needed in order to accomplish that conversion?
how many rotational levels are there, approximately, between v=0 and v=1 vibrational levels, which are 559.71 cm-1 apart in energy? B=0.2441 cm-1.
a photometer with a linear response to radiation gave a reading of 595 mV with a bank in the light path and 139 mV when the blank was replaced by an absorbing solution. Calculate
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