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Problem- Place the following gases in order of decreasing average molecular speed at 34?C: Ne, HBr, SO2, NF3, CO.
I am not able to solve the above problem somebody help me to get the correct answer
draw lewis dot structure and predict molecular geometry.dataelement atomic wt electronegativityh 1.01 2.1 b 10.81 2.0 c
For the reaction BrO3- + 5Br-+ 6H+ ? 3Br2 + 3H2O at a particular time, -?[BrO3-]/?t = 1.5 ? 10-2 M/s. What is -?[Br-]/?t at the same instant
superheated steam at a pressure of 40 bar and a temperature of500degc is supplied to the turbine of a rankine cycle.a
The heat capacity of copper is 0.382 J/g C. A 22.6 g sample of copper at 93 C is placed in 50 g of water at 23.9 C. What is the final temperature of the system
A sample of gas occupies 175ml at 10C and 750torr. What volume will the gas have at 25C and 790 torr?
How and why is the average enthalpy of the reaction changed when a different concentration of sodium hydroxide is used
Compound A has the molecular formula C14H25Br and was obtained by reaction of sodium acetylide with 1,12-dibromododecane. On treatment of compound A with sodium amide, it was converted to compound B (C14H24).
Predict the electronic configurations of (a) the benzen anion, (b) the benzene cation. Estimate the pi-electron binding energy in each case within the Huckel Approximation.
A new soft-drink on the market is prominently labeled as "caffeine-free". Based on the nature of complaints filed by several consumers, it appears that the "caffeine-free" claim might actually be fraudulent.
Calculate the pH of a buffer that is 0.058 M HF and 0.058 M LiF. The Ka for HF is 3.5 x 10^-4. Calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Ka for HClO is 2.9 x 10^-8.
A 0.2678g sample of an unknown acid requires 27.21mL of 0.1164 M NaOH for neutralization to a phenolphthalein endpoint. There are 0.35mL of 0.1012 M HCl used for back-titration. What is the molar mass of the unknown acid
The temperature of the calorimeter increases from 24.56 *C to 32.01 *C. What is the heat of combustion per gram of quinone and per mole of quinone?
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