As a technician in a large pharmaceutical research firm, you need to produce 200.mL of 1.00 M a phosphate buffer solution of pH = 7.19. The pKa of H2PO4− is 7.21. You have 2.00 L of 1.00 M KH2PO4 solution and 1.50 L of 1.00 M K2HPO4 solution, as well as a carboy of pure ...
A flagpole and a building stands on the same horizontal level.From the point P at the bottom of the building.the angle of elevation of the top T of the flagpole is 65 degrees from the top Q of the building the angle of elevation of the point T is 25 degrees.If the building is ...
help please anyone? i'm having a hard time solvig these problems LOGIC CONDITIONAL PROOF. HOMEWORK HELP PLEASE!? A. 1. A -> (B -> C) 2. (C ^ D) -> E 3. -F ->(D ^ -E) / :. A -> (B -> F) B. 1. (A v B) -> -(C ^ D) 2. (-C v -D) -> (E <-> F) 3. (E ...
frank tosses a baseball card into the air. the card lands face up 30 out of 50 times. how many times can you expect the card to land face up in the next 75 tosses?
In your "C" answer, second line, you should have used 0.08m, not 0.0888m (that was the K constant). Therfore, the result is W=Fd= 71*0.08= 5.68 Joules
Determine the molar concentration of Ca^2+ and Cl- in a .075 M CaCl2 solution
Describe in Hamlet, Prince of Denmark the representative of the literature in the culture from which it comes.
Describe how the representative of the literature in the culture of Hamlet, Prince of Denmark.
I need the english translation of the story PAPA SIEMRE TIENE RAZON
I need Help to Answer the following paragraph.(Exam389808 From Penn Foster) Part 4 Instructions: Listen to the passage and fill in the blanks with the words that you hear.Youll hear the poem two times. En la 11. ___________ te llamé. De la oscuridad me llamaste. R...