Determine the probability of getting a picture
You're dealt one card from 52 card deck. Then the card is replaced in deck, the deck is shuffled, and you draw again. Determine the probability of getting a picture card the first time and a heart the second time.
a) 1/13
b) 3/13
c) 1/4
d) 3/52
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A proton (having q = +1.6 x 10^-19C) moves 15 cm all along the direction of an electric field of strength 3.0 N/C. The electrical potential difference among the proton's initial and ending points is?
What is the ratio of the number of moles of cyclo-propane to moles of oxygen when a balloon contains an anesthetic mixture of cyclo-propane (cp) and oxygen (O2) at 172 torr and 570. torr, respectively.
The two point charges of values +3.4 and +6.6 micro-coulombs, correspondingly, are separated through 0.20 m. Determine the potential energy of the 2-charge system?
Determine the chemical equation for the dehydration of cyclohexanol? Determine the theoretical yield for the dehydration of 3.0ml of cyclohexanol.
Determine the numbers of monochlorination products are expected from the reaction of 2,4-dimethylpentane and chlorine in the presence of light?
What is the partial pressure of Xe in the mixture when a mixture of Kr and Xe has a density of 2.50 g/L at a total pressure of 0.500 atm and at 0 deg C.?
After mixing the two, the temperature rises to 21.21 degrees Celsius. Calculate the heat generated by the reaction, and then calculate how many kJ were released per mole of reactant.
The water temperature rises from 20.1 degrees Celsius to 22.6 degrees Celsius. A 23.9 gram sample of iridium metal is heated to 89.7 degrees Celsius and then dropped into the 20.0 grams of water in a Styrofoam coffee cup calorimeter.
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