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1. If a 2.5 A current is run through a circuit for 35 minutes, how many coulombs of charge moved through the circuit? How many electrons moved through the circuit?
2. Given the following pairs of balanced half-reactions, determine the balanced reaction for each pair of half reactions in an acidic solution.
3. Balance the following in basic solution. Identify the species that was oxidized, the species that was reduced, the oxidizing agent, and the reducing agent in each of the reactions.
when 50.0 gram of metal at 75.0 C is added to 100 grams of water at 15.0 C the temperature of the water rises to 18.3 C. Assume that no heat is lost to the surroundings. What is the specific heat of this metal
Draw all stereoisomers having molecular formula C6H12 that contain one double bond and give the IUPAC name for each compound
use the values for delta G to calculate Kp for the above reaction at 500 degrees celcius.
Propose hydrogen bonding patterns that will explain how either U or C in a codon 3'-terminal position could wobble with G at the 5' terminal of an anticodon (structural diagrams are required). Which hydrogen bonded pair will be the more stable? Wh..
Problem- For the following balanced equation, determine how many grams of water are produced from 6g of N2H4: 2 N2H4(g) + N2O4(g) --> 3 N2(g) + 4 H2O(g) A. 6.75 g B. 1.69 g C. 3.37 g D. 10.67 g
The Ksp of lead(II) hydroxide, Pb(OH)2, is 1.43 × 10-20. Calculate the molar solubility of this compound.
A calorimeter contains 17.0 mL of water at 15.0 degrees celcius When 1.40 g of (a substance with a molar mass of 69.0 g/mol) is added, it dissolves via the reaction X(s)+H2O(l)->X(aq)
what speed would this quasar seem to be receding from us? Give your answer in km/s and as a fraction of the speed of light.
Determine At what temperature does C 6 H 6 boil when the external pressure = 470 torr?
The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10..
What volume of 5.00 x 103 M HNO3 is needed to titrate 100.00 mL of 5.00 x 103 M Ca(OH)2 to the equivalence point
After mixing 2.00g of H2S with 2.00g of NaOH, a 92.0% yield of sodium sulfide is obtained. Calculate the experimental yield in grams obtained in that reaction
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