Vermilion, a very rare and expensive solid natural pigment that has been used to write an artist’s signature on works of art, is mercury(II) sulfide. What mass of vermilion can be produced when 50.0 mL of 0.02200 M mercury(II) nitrate is mixed with a solution containing excess sodium sulfide? Vermilion is insoluble in water.

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

How many moles of oxygen react with 12 moles of aluminum

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.