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Why is hydrogen is place in group one not seven
The measured pH of the deionized water is very likely not 7, it will be slightly less.
Calculate the predicted change in boiling point, in °C for your solution. What is the calculated boiling point of the solution? Compare this with the actual boiling point.
The reactant concentration in a zero-order reaction was 9.00×10^-2 M after 100s and 2.50×10^-2 M after 390s . What is the rate constant for this reaction
15 g of steam at 373 K is added to 250 g of H2O (liquid) at 298K at onstant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate changes in entropy for the process.
calculate the ph of a solution that is made by combining 125 ml of 0.050 M hydrofluoric acid with 50 mL of 0.10 M sodium fluoride
How much PV work is done, and what is the value of ?E for the reaction of .50 mol of H2 with .25 mol of O2 at atmpospheric pressure if the volume change is -5.6L
Explain why an object whose color is purple actually absorbs visible light in the green wavelength region.
Water in an enclosed vessel at 17°C contains a concentration of dissolved oxygen of 6 mg/L. At equilibrium, determine the concentration of oxygen in the space above the water in molal fraction. and the total pressure in the vessel. Henry's law con..
in reacting anthracene and maleic anhydride, does the structure of the product make sense in terms of the aromaticity of anthracene and the product?
What volume in mL is needed for the solution of HCl to react with a sample of Al 16.0? 2Al +6HCl => 2Al + 3H2. Calculate the molar concentration of ions in a 0.0200M solution is in Al(NO3)3
How many grams of hydrochloric acid are in 500.0 mL of a 5.000 M solution? 1. 36.50 g 2. 54.75 g 3. 73.01 g 4. 91.25 g
What happens to the body that allows it to compensate (over this period of time) for the reduced pressure , so that the athletes will not become lightheaded?
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