When 2 grams of powdered lead (iv) oxide was added to 100 cm3 of hydrogen peroxide, water and oxygen were produced. lead (iv) oxide was not used up in the reaction. based on the information, which of the following is likely to decrease the rate of formation of the products?
replacing the powdered lead oxide with its large crystals
removing lead (iv) oxide from the reaction mixture
using 50 cm3 of hydrogen peroxide
using 1.0 gram of lead (iv) oxide
Answers: 2
Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
Answers: 2
When 2 grams of powdered lead (iv) oxide was added to 100 cm3 of hydrogen peroxide, water and oxygen...
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