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Question: Hydrogen and helium atoms near the surface of the Sun are at a temperature of about 6000K. What is the average kinetic energy of one of these H atoms? Of one of the He atoms?
Problem- Why is the protonation of carboxylic acid happening on lone pair electrons of carbonyl oxygen (C=O) instead of OH group, even oxygen of OH has lone pair electrons
A sealed container holding 0.0255 L of an ideal gas at 0.991 atm as well as 69 °C is placed into a refrigerator also cooled to 41 °C with no change in volume. Compute the final pressure of the gas.
The pressure of gas and the atmosphere are equalized. ThE atmospheric pressure is 745 mm Hg. The temperature of water and the gas are identical to 26°C. The vapor pressure of water at 26°C is 25.209 mm Hg. How many moles of gas were collected? Sho..
How to do I calculate the pH of original buffer given mass of NaC2H3O2*H2O (FW =136 g/mol) = 3.507 g
The molar heats of fusion and vaporization of argon are 1.3 kJ/mol and 6.3 kJ/mol respectively, and argon's melting point and boiling point are -190°C and -186 °C, respectively. Calculate the entropy changes for the fusion and vaporization of argo..
Determine what will be the major product expected from chronological treatment of propylbenzene with 1) KMnO 4 , 2) 3)H 3 O + , Cl 2 and FeCl 3 , and iv) Br 2 and FeBr 3 ?
considering the given reaction nog o3g-no2g o2g and determine the rate constant for the reaction at 75 degreesnbspif
Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH-] is 1 x 10-11 mol/L. Is this solution acididc, basic, or neutral?
isooctane a fuel used in gasoline engines because it has an antiknock octane rating of 100 has a density of 0.6919 g
A sample of the Dead Sea Scrolls gives a ^14C decay rate of 731 disintergrations/h. A modern sample gives 920 disintergrations/h. Estimate the age of the Scrolls from these data.
A CD player and its battery together do 500 kJ of work, and the battery also releases 250 kJ of energy as heat and the CD player releases 50 kJ as heat due to friction from spinning
What is the mechanism to synthesize diethyl n-butylmalonate from diethyl malonate, potassium carbonate, 1-bromobutane, and tricaprylmethylammonium chloride
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