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Question- A cylinder of length 6.93 in and radius 1.14 cm has a mass of 2.24 pounds. What is the density of the material in grams per cubic centimeter?
Please take care to answer the question as mark are equally granted for each point
derive an expression for the compression factor of a gas that obeys the equation of statenbsp pv - nb nrt where b and
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).
Environmental engineers utilizes alkalinity as a measure of the capacity of carbonate buffering systems in water samples Alkalinity (mol/L)= [HCO3- ] + 2[CO32- ]+ [OH - ] + [H+]. Determine the alkalinity of a water sample that has a pH of 9.9,26.0..
in a quench hardening process steel rods rho 7830 kgm3 cp 444 jkg.k and k 70 wm.k are heated in a furnace to 900oc
During a strenuous workout, an athlete generates 1950.0kJ of heat energy. What mass of water would have to evaporate from the athlete's skin to dissipate this much heat?
How do I express quantities using significant figures to imply errors. An example question is 1.989 +/- 0.0003
A reaction has a first order rate constant of 4.31x10-5 s-1 at 25oC and 0.00111 s-1 at 65oC. What is the value of the rate constant at 43oC
What would happen to the A450 value for a smaple which include : 1mL of 0.0025M Fe(NO3)3 + 1mL of 0.0025M KSCN + 5.0mL of 0.1M HNO3 , if you accidentally added 5 drops of disodium hydrogen phosphate
14.0 moles of gas are in a 6.00 L tank at 22.6 C. Calculate the difference in pressure between methane and an ideal gas under these conditions.
A sample of nitrogen gas in a 4.9 L container at a temperature of 51 C exerts a pressure of 5.1 atm. calculate the number of moles of gas in the sample
you are holding 2 balloons, an orange balloon and a blue balloon. the orange balloon is filled with neon gas and the blue one is filled with argon gas. The orange balloon has twice the volume of the blue ballon. What is the mass ratio of Ne:Ar in ..
a what safety precaution should you follow when working with thegas chromatogram injection port?b what will raising the
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