Match the set of measurements of the boiling point of water with the best description.

Measurements

Description

6. 103 °C, 90 °C, 101 °C

a.

Precise

7. 100 °C, 99 °C, 100 °C

b.

Accurate

8. 105 °C, 106 °C, 105 °C

c. Both accurate and precise

9. 99 °C, 101 °C, 100 °C

d. Neither accurate nor precise

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)