subject
Chemistry, 16.12.2020 20:50 rgilliam3002

A scientist sets up an experiment to test which substance (caffeine, nicotine, alcohol, or water) affects plant growth the most. Figure 1 shows how the experiment was set up. The plants, containers/pots, soil, and sunlight were kept the same. Control variables (the things that are kept the same) in this experiment are:


A scientist sets up an experiment to test which substance (caffeine, nicotine, alcohol, or water) a

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 04:00
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?
Answers: 1
question
Chemistry, 22.06.2019 05:00
Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%
Answers: 1
question
Chemistry, 22.06.2019 05:30
Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean
Answers: 3
question
Chemistry, 22.06.2019 19:50
If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
Answers: 2
You know the right answer?
A scientist sets up an experiment to test which substance (caffeine, nicotine, alcohol, or water) af...
Questions
question
History, 18.09.2019 07:00
question
Mathematics, 18.09.2019 07:00
question
Mathematics, 18.09.2019 07:00
Questions on the website: 13722360