A person moves a book from a 30-cm high coffee
table to the top shelf of a bookshelf approxima...
Chemistry, 28.03.2020 06:27, novelty9274
A person moves a book from a 30-cm high coffee
table to the top shelf of a bookshelf approximately
2.5 m high. Which statement correctly describes
the gravitational potential energy of the book?
•It has more gravitational potential energy on
the table than on the shelf.
•It has more gravitational potential energy on
the shelf than on the table.
•Its gravitational potential energy is constant
regardless of its position.
Answers: 2
Chemistry, 22.06.2019 14:30, joejoefofana
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀ pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4. 0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
Chemistry, 23.06.2019 04:00, anonymous1813
Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?
Answers: 2
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