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A patient needs 2.80×10-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
If the minimum energy required to break the C-Cl bond in CF3Cl is 540 kJ/mol, what is the longest wavelength of radiation that will break this bond?
When 7 mL of a solution containing 3 M KNO3 is diluted to 21mL, a dilute solution is formed. What is the NO3- concentration in 10mL of the dilute solution?
if the total amount of energy emitted by a carbon sample is 1.98x10^5 J, determine the number of carbon atoms present in the sample, assuming that each atom emits one photon
Determine the Osmotic Pressure for the following aqueous solutions @ 25 degrees Celsius. (a.) 1.0. M Glucose, and (b.)1.0 M NaCl. Explain which solution has the greater osmotic pressure if any and why.
For the first-order reaction 2N2O5 ---> 2N2O4 + O2, the activation energy is 106kJ/mol. How many times faster will the reaction go at 100 degrees C than at 25 degrees C?
"Given the following standard reduction potentials, E°redAl3+/Al = -1.66 V. E°redCr3+/Cr = -0.74 V.
When 0.062 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 200 milliliters of solution, how many ammonium ions are present.
An electron traveling at the velocity of 3.7 105 m/sec has an uncertainty in its velocity of 2.34 105 m/s. determine the uncertainty in its position?
When 83.6 joules of heat is added to 2 grams of water at 10 degrees Celsius, the temperature of the water increases to what value?
Determine the value of work (w) when a piston of volume 0.2 litres expands against an external pressure of 200 kPa to a volume of 3.4 Litres?
A gas occupying a volume of 263 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?
how many grams of vinegar are required to react completely with 25.0g of baking soda.
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