Question 27 (2 points) Which of the following heat transfer methods is how the sun’s solar energy reaches earth through the vacuum of space?
a. radiation
b. convection
c. conduction
d. solar flare

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

Explaining why atoms bondcomplete the sentence. atoms form chemical bonds to satisfy the    rule and to become  .

What volume of 24% trichloroacetic acid (tca) is needed to prepare eight 3 ounce bottles of 10% tca solution?