How many ml of 95% of ethyl alcohol should be added to sterile water for injection to make 1/2 liter of a 40% ethyl alcohol solution?

Which energy carries are formed by light dependent reaction

Which molecule has polar bonding and is nonpolar? 1) H2O 2) BF3 3) NH3 4) NCl3 5) CH2Cl2

how many neutrons does the most common isotope of hydrogen have? A) 1 B) 2 C) 0 D) cannot be determined

Why do things dissolve faster in hot water

List some common liquids that you think are acidic or basic. For example, do you think orange juice is acid or base? Why do you think each liquid is an acid or base?

Which organism is the carnivore in this food web? A. zooplankton B. marine phytoplankton C. Adélie penguin D. krill

Hudson is already 40 miles away from home on his drive back to college. He is driving 65 mi/h. Write an equation that models the total distance d travelled afther h hours. What is the graph of the. equation?

Jerry listed the following process on his notebook: 1. formation of dew on leaves 2. ice cubes turning into water 3. water drops on the outside of a glass of cold juice 4.

The recognized standard means of inquiry used by research scientists is the method

A student is titrating 50 mL of 0.32 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the ammonia?