Choose the scientific notation for this number: 031451 O 3.1451 x 102
O 3.1451 x 10-2
0 3.1 x 102
O 31.451 x 10-2

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.