A 128-gram sample of copper is heated with sulfur to
A 1.28-gram sample of copper is heated with sulfur to produce 1.60 grams of a copper sulfide compund. Calculate the mass percentages of copper and sulfur in the compund.
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an object is 20 cm to the left of a thin diverging lens having a 10 cm focal length what is the image distance find the
predict the average rise in sea level due to thermal expansion based on temp changes of 12 and 35 degrees c given that
a block of mass m is attached to a cord that is wrapped around the rim of a flywheel of radius r and hangs vertically
a 128-gram sample of copper is heated with sulfur to produce 160 grams of a copper sulfide compund calculate the mass
you stand on a frictionless platform that is rotating with an angular speed of 72 revs your arms are outstretched and
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how many grams of formaldehyde h2co are in a 500 ml of a 40 solution of formaldehyde in water assume for this problem
a block of solid water m 12g ti -5 degress c is placed as ammo inside a spring loaded cannon the spring in this
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