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Problem- For how many minutes would 8.55 A of current need to flow to produce 3.17 x 10^4 C?
Give your answer with short explanation
Suppose the physician has ordered 1.0 g of tetracycline to be given every 6 hours to a patient. If your stock on hand is 500-mg tablets, Explain how many will you need for 1 days treatment
Draw the six conformers in newman projection for the 60 degree intervals from 0 to 360 degrees for carbon atoms 3 and 4. Clearly show which carbon is represented by the "dot" and the "circle" Show which C
Averge frequency of light emitted a 100 w lightbulb is 5.5x10^14 Hz. How many photons per second does the light bulb emit?
A white powdery solid, and asked to evaluate its purity and to determine whether it might be identical to a given sample of an illegal drug, a white crystalline solid. Clearly explain what you would do, and how you would interpret your results.
Predict which substance in each of the following pairs has a greater molar entropy. 1. P4 (g) vs. P2 (g) 2. HNO3 (aq) vs. HNO3 (l) 3. CuSO4 (s) vs. CuSO4 * 5H2O (s)
A 34.5-g sample of an alloy at 93.0 degrees Celsius is placed into 50.0 g of water at 22.0 degrees Celsius in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/K. If the final temperature of the system is 31.1 degrees Celsius, what..
1. what are some possible sources of error in your calculated atomic weight for mg?a. calculate the absolute error.b.
If 5.45mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram
Write a nuclear reaction for the neutron-induced fission of U-235 to produce Te-137 and Zr-87? How many neutrons are produced
Draw the skeletal structure of the major organic product resulting from the following reaction. (All hydrogen atoms are implied, but any deuterium isotopes must be shown where appropriate.)
assume you dissolve 6.73 grams na2co3 in enough water to make 250 ml of solution. what is the molarity of the sodium
Define what is the Hrxn° for the reaction of an aqueous solution of lead(II) chloride with an aqueous sodium sulfate solution to make a precipitate of lead(II) sulfate Hrxn°= in kJ.
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