Conclusion: 1. List any observations for the experiment you noticed, details about caffeine or any other substance.

2. Based on calculated percent yield and data, and the video, was the experiment successful? Was the desired product obtained?

3. What potential sources of error could have occurred? DO NOT write human error! What is the human error, at what points in the experiment could product have been lost and resulted in low yield?

Which description best characterizes the motion of particles in a solid?

Complete each row of the table below by filling in the missing prefix or missing exponent.

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c. vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false