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An aqeous solution of oxalic acid is 0.688m, H2C204. Explain the density of the solution is 1.022g/ml. Define what is the molar concentration?
Write a balanced equation for the combination reaction described using the smallest possible integer coefficients.
George is measuring pH in a lab where the temperature is 58 C. If the pH goes up by one pH unit, what will be the change in mV of his glass electrode?
How much time (in s) is needed for NOCl originally at a concentration of 0.0194 M to decay to 0.0026 M
Give the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by the element.
Barium peroxide decomposes when heated to give BaO and O2. Write the balanced equation for this reaction. How many moles of O2 is formed when 0.500 mole of BaO2 is decomposed
what is the volume of a 12.0g sample of water. a piece of gold has a mass of 5.2g and it displaces 4.16 ml of water. calculate its density. which molecule are moving fast on average a swimming pool of water or a cup of water.
Explain the half-life of 18-F is 16 minutes. It takes 132 minutes to label deoxyglucose to make the PET scanning reagent Fludeoxyglucose. Explain how many curies of radioactivity remain in the product
a gaseous compound is composed of 85.7% by mass carbon and 14.3% by mass hydrogen. its density is 2.28 g/L at 300 K and 1.00 atm pressure.determine the molecular formula of the compound.
Which is the best counter ion of metal (II) -bpy complexes on the yields of aldol condensation of benzaldehyde with acetone. It would be helpful if you can provide some extra material for this topic
Use data from appendix iib in the textbook to calculate the equilibrium constants at 25 degrees Celsius for each of the following reactions:
Compute the half-life for the decomposition of CO2 which is first order with respect to CO2 at 1000 Kelvin with K=1.8x10-13 sec.
The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione, better known as luminol, is used by forensic scientists in analyzing crime scenes for the presence of washed-away blood.
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