Which of the following problems is answered to the correct number of significant figures? a. 14.0 / 2 = 7.0 b. 14.0 / 2.0 = 7 c. 14.0 / 2 = 7 d. 14.0 / 2.0 = 7.00

How much heat would be required to warm the Earth's ocean by 1 degrees Celsius?

According to the second law of thermodynamics, the entropy of any system always increases. According to the second law of thermodynamics, the entropy of any system always increases. True False

What ion forms when an acid is dissolved in a solution?

A scientists claimed that he had cloned a guinea pig to produce two offspring, a male and a female. The claim is not valid because

How does the water cycle renew the supply of freshwater on Earth?

Classify each substance as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. a. Sweat b. Carbon dioxide c. Aluminum d. Vegetable soup

Which describes energy changes during nuclear fission? A very large amount of energy is produced from a tremendous mass. EEUU A very large amount of energy is produced from a very small mass. G .

For 2H2 + O2 → 2H2O: 4 moles of H2 will react with moles of O2 to produce moles of H2O

Rutherford's experiment showed that subatomic particles a. are the same size and shape as the atom. b. don't take up most of the space in an atom. c. all have similar sizes and characteristics. d. do not influence the behavior of an atom.

Why are electrolytes important in your body? Do you need to drink Gatorade to get them?