Which of the following is a correct procedure for the operation of a microscope?
a.
use the fine focus knob with the low power lens and use the coarse focus knob with the high power lens.
b.
remove and add slides while the high power lens is selected.
c.
first, put the specimen into focus using a high power lens, then switch to a lower power lens, if needed.
d.
first, put the specimen into focus using a low power lens, then switch to a higher power lens, if needed.

How can you use chemical equations to predict the products of the reaction you can carry out?

Actual ingredients of lab (the cookies i am actually making) 1/2 cup sugar 1/2 cup brown sugar 1 1/3 stick margarine 1 egg 1/2 tsp salt 1 tsp vanilla 1/2 tsp baking soda 1 1/2 cup flour 1 1/3 cup chocolate chip can you answer the questions below ? discussion 1. suppose you are given the following amounts of ingredients: 1 dozen eggs 24 tsp. of vanilla 1 lb. (82 tsp.) of salt 1 lb. (84 tsp.) of baking soda 3 cups of chocolate chips 5 lb. (11 cups) of sugar 2 lb. (4 cups) of brown sugar 1 lb. (4 sticks) of margarine a. for each ingredient, calculate how many cookies could be prepared if all of that ingredient were consumed. (for example, the recipe shows that using 1 egg- with the right amounts of the other ingredients- yields 24 cookies. how many cookies can you make if the recipe is increased proportionately for 12 eggs? ) b. to determine the limiting reactant for the new ingredients list, identify which ingredient will result in the fewest number of cookies. c. what is the maximum number of cookies that can be produced from the new amounts of ingredients?

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.