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Literally, the pH measurement is the electrochemical cell potential measurement. Can one use a normal multimeter to measure the cell potential and then convert it to solution pH? Why?
in a controlled greenhouse at 30.0c and 1.0 atm a crop of seeding tomato plants was found to consume 380 l of carbon
Draw an energy level diagram for the interaction of two atom each with an s orbital. Show how the MO's would be occupied if the two atoms in question were H atoms and if they were He atoms. What conclusions are to be drawn about the formation of a..
A 95.0 gram piece of ice at 0.0 degrees celcius is added to a sample of water at 8.0 degrees celcius. All of the ice melts and the temperature of the water decreases to 0.0 degrees celcius. How many Kg of water were in the sample?
An unknown metal M reacts with S to form a compound with a formula M2S3.If 3.12g of m reacts with exactly 2.88g of sulphur, what are the names of metal M and compound M2S3
At high pressures, real gases do not behave ideally. Use the van der waals equation and data in the text to calculate the pressure exerted by 18 gram of H2 at 20C in a 1.00L container.
The mass of an average blueberry is 0.78 and the mass of an automobile is 2200kg.Find the number of automobiles whose total mass is the same as 1.0 blueberries.
A solution of selenium-75, a radioisotope used in the diagnosis of pancreatic disease, is found just prior to administration to have an activity of 44 uCi/mL. How many milliliters should be administered intravenously for a dose of 175 uCi
quantitative analysis of cl- ion is often performed by a titration with silver nitrate using sodium chromate as an
A 12.4 g sample of CaCl2 is dissolved in 112 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C·..
The molecular weight of the protein is 3.4e4 grams per mole. What is the molar concentration of the protein?
determine the number of moles of hydrogen atoms when you are given 2 moles of
Self contained self rescue breathing devices convert CO2 into O2 according to the following reaction: 4KO2(s) + 2CO2(g) -> 2K2CO3(s) + 3O2
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