woops i meant 0.005250707, still wrong.
DrBob's solution for the molar fraction is wrong. I did what he said moles Na2SO4/ total moles: 0.293/55.802.... to get 0.00250679 and in my online quiz it was wrong.
A platform rotates at an angular speed of 2.2 rad/s. A block rests on the platform a distance of 0.3m from the axis. Static friction coeffient= 0.5. Without any external torque acting on the system, the block is moved towards the axis. Ignore the m...
a tank of helium gas used to inflate toy baloons is a pressure of 15.5 x 10 Pa and a temp of 293 k. The tank's volume is 0.020 m. How are a baloon would it fill at 1.00 atmosphere and 323 k
why should heating a content containing Zn and HCl be heated in fume hood.
No, they are extra for a reason. It is more important to focus on your education than sports and things you do for fun.
4th grade math fractions
three different improper fractions that equal 4 1/2
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