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Write the chemical symbols for 3 different atoms or atomic cations with 3 electrons
Problem- What is the solubility of oxygen in lake water at 28celsius?? Assume that the pKH of oxygen at this temperature is twice that of CO2. Give your answer in mg/L.
Given that an atom of a semiconductor has a diameter of 3.33 , what is the maximum number of moles that fit in the channel of a processor chip that is 76.5 long, 74.1 , wide and 545 thick. Assume that the atoms stack in a simple cubic arrangement...
Calculate the fraction of particles attached to the top plate. Sketch this as a function of: (a) T, (b) V. Discuss the physical meaning of your results.
aqueous solution has an osmotic pressure of 6.35 torr at 23.1 C. What is the molar mass of the protein.
aluminum has a face-centered cubic lattice with all atoms at lattice points and a unit-cell edge length of 405.0 pm.
A student used 20.0 mL of 0.1035 M NaOH to titrate 20 mL of orange juice. How many grams of citric acid were present in the sample? The molar mass of citric acid, H3C6H5O7, is 192.12 g/mol.
If the titration of 0.8094g of 100% pure KPH requires 40.25mL of NaOH, what is the concentration of the NaOH solution
When 0.100 mol of carbpon is burned in a closed vessel with 8.00 g oxygen, how many grams of carbon dioxide can form. Which ractant is in excess, and how many grams of it remain after the reaction
Calculate the final pH when 2.6 mmole NaOH is added to 1 mmole phosphoric acid, given pKa1 = 2.1, pKa2 = 7.2 and pKa3 = 12.4
Calculate the broadcast wavelength of the radio station 90.10 FM.
Identify the change in state that does not have an increase in entropy. Identify the change in state that does not have an increase in entropy. Water freezing Dry ice subliming Water evaporating Ice melting Water boiling
The mixture is added to 130g of water. If the solution described in the introduction is cooled to 0 degrees celsius, what mass of KNO3 should be cystallize
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