What is the molecular weight of this gas
A sample of gas weighs 0.250 g and occupies a volume of 112 cm3 at STP. what is the molecular weight of this gas ?
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A multiple stage evaporator concentrates a weak solution of lithium hydroxide from 4.48 wt% to 26.78wt%. This evaporator processes 10 metric tonnes of solution each day. Determine:
What are some of the things in your life that you think might be influencing your current self-pitchure?
A disk, initially rotating at 149 rad/s, is slowed down with a constant angular acceleration of magnitude 4.23 rad/s2. (a) How much time does the disk take to stop? (b) Through what angle (rad) does the disk rotate during that time?
A toy car X of mass .200 kg moves along a frictionless surface with a velocity of .180 m/s. It collides with another toy car Y, with a mass .250 kg and a speed of .130 in the same direction. After the collision, toy car X continues to move in the
A 18.6 kg piece of zinc at 75 degrees Celsius is placed in a container of water. The water has a mass of 20 kg and has a temperature of 10.1 degrees Celsius before the zinc is added. What is the final temperature of the water and zinc?
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A stone S of mass 8 kg is attached to the other end of the rope. S is held at a point 6m vertically below A and then released. Find the initial acceleration of S.
A hypothetical molecule, X-Y, has a dipole moment of 1.64 D and a bond length of 165 pm. Calculate the percent ionic character of this molecule.
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