Alake has water quality as follows: dissolved oxygen, 60; nitrate, 6.10 (mg/l); phosphate, 0.8 (mg/l); and ph, 5.5. answer the following: what is the wqi of this water if the weighting factors of the corresponding water quality parameter are 0.3, 0.2, 0.2, and 0.3, respectively? what is the wqi of this water if the weighting factors of the corresponding water quality parameter are 0.5, 0.2, 0.2, and 0.1, respectively? why are they different? how would one determine the weighting factors of each water quality parameter?

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

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?

What substance has a mass of 9.5g and volume of 2.1cm^3