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Imagine a friend invites you to play a game of chance that costs $1 to play each time. You get to choose one card. You win if your card is the Ace of Spades. Otherwise, you lose. The amount of money you could win is $(40 + the day of your birth). For example, if you were born on July 4th, you could win $40 + $4 = $44 if you chose the Ace of Spades in your draw. What is the expected value of the amount you will win from each turn? Would it be a good idea to play this game only one time? Would it be a good idea to play 1,000 times, assuming the card you chose is replaced and the deck is reshuffled on each play?
Compute the molarity of the final solution of Erythrocin B (MW 879.9 g/mol) if a .5028g sample is dissolved in water diluted to 100mL in a volumetric flask Solution 1, as well as then a 5mL aliquot of the stock solution is diluted to 100mL utilizi..
What is the skateboard's velocity relative to the sidewalk at this instant? Be sure to include the correct algebraic sign with your answer.
Define the Lewis Dot-Dash Structure of the molecules and ions below. Indicate the AXE notation, a Lewis structure and the electron and molecular geometry of the underlined atom.
A gas pressure of 2.0 atm is in a closed container. Indicate the changes in its volume when the pressure undergoes the following changes at constant temperature: a) the pressure increases to 6.0 atm. b) the pressure drops to 1.0 atm. c) the pressu..
What is the approximate value of the equilibrium constant, Kn, for the neutralization of hydrochloric acid with sodium hydroxide, shown in the equation below? HCL(aq) + NaOH(aq) --> H2O (l) + NaCl (aq)
A weak monoprotic acid is titrated with NaOH and the following data is recorded. Calculate the molar mass of the weak acid.
Determine the following by referring to your laboratory procedures. Give special consideration to the section dealing with calculation. Calculate a value for the enthalpy change H during the reaction between HCl and Mg?
525mL of 1.50M NaCl is added to a beaker containing 378mL of 2.22M AgNO3, resulting in the formation of AgCl precipitate.
the density of an unknown metal is 8.94gcm3 and its atomic radius is 0.126nm . it has a face-centered cubic
What mass of solid sodium formate (of MW 68.01) must be added to 110 mL of 0.55 mol/L formic acid (HCOOH) to make a bu?er solution having a pH of 3.84? Ka = 0.00018 for HCOOH
What are the differences between short-term memory and long-term memory. Give an example of how managers can use their knowledge.
A 10.0 mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization.
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