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How many kcal come from 200g of water?
calculate the molarconcentration of oxygen in water at 25 celsius for a partialpressure of 0.23 atm. the henry's law constant for oxygen
A solution was prepared by dissolving 432 mg of K4Fe(CN)6 in water and diluting to 1.5L. Calculate the K+ concentration in ppm
Using the same assumptions and approximations you used in lab, determine the molar enthalpy change (in kJ/mol) for the reaction below, assuming that CH3CO2H dissociates completely in water.
Mitochondria are isolated from a cell and plunged into a solution containing a high concentration of radioactive protons (tritium). You remove the the mitochondria quickly so that each ATP synthase complex would only have enough time to make one m..
The resultant reaction produced a precipitate of barium sulfate, which was collected by filtration, washed, dried, and weighed. If 0.2635g of barium sulfate was obtained, what was the mass percentage of barium in the sample
Question- How many grams of water can be formed when 1.396L of Hydrogen has at STP completely reacts with Oxygen
A compound containing only boron, nitrogen, and hydrogen was found to be 40.3% boron, 52.2% nitrogen, and 7.5% hydrogen by mass. If 3.301 grams if this compound is dissolved in 50.00 grams of benzene
Is it theoretically possicle to separate 99.99% of 0.10M KI from 0.10M KBr by controlled-potential electrolysis
Write the balanced chemical equation for the neutralization reaction that occurs when an aqueous solution of nitric acid (HNO3) is mixed with an aqueous solution of sodium hydroxide (NaOH).
Use bond enthalpies to estimate the enthalpy change for the following gas-phase reaction.
A 10 ml sample of gastric juice was obtained from a patient several hours after a meal. The gastric juice was then titrated with 7.2 ml of 0.1 M NaOH to neutrality
Synthesizing ethers via acid-catalyzed condensation reactions has limited usefulness. The conditions (sulfuric acid and heat) are also conducive to elimination products. Clarification of Organic Chemistry
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