How many moles of oxygen are consumed
Gaseous germane reacts according to the balanced equation. If a total of 5240 kJ of heat is produced in the reaction as written, how many moles of O2 are consumed?
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Suppose you have 0.001 M solution of a dye with pka of7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
What is the formula for solving the following problem? The specific heat of Ti is .523 J/gcelcius. What is the final temperature of 62g of Ti intially at 41celcius after 8.5kj of heat is added?
Say you removed an ice cube at -10 ºC weighing 36 g from your freezer. Now you place the ice cube in a 90 g sample of liquid water at 20 ºC in an insulated (thermally isolated) container. Describe the final state of the system in terms o
Then 25 mL of the solution are reacted with excess AgNO3 and 0.3800g AgCl precipitate formed. What was the mass percent of D2O in the original sample of enriched water?
39.5 mL of this solution is titrated to the stoichiometric point with 12.3 mL of 0.0611 M HCl(aq). What's the percent purity of the original sample?
What volume of water was added to the 350 mL of NaOH solution? Assume volumes are additive. Answer in units of mL.
The carbonyl carbon of the amide to form another molecule (where the central carbon is attached to a hydroxyl group and two amines)? Is this a plausible mechanism?
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