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What is the half-reaction of P(s) going to the most common ion for O? Hint: P is under N in the periodic table so, their most common charge should be the same.
If the heat of combustion for a specific compound is -1310kj/mol and its molar mass is 60.87 g/mol, how many grams of this compound must
CO2 has a mol wt of 44 Da. 5.0 micro liters of CO2 is added to 525 mL of air. The pm of CO2 by volume and weight is/are?
How many circular clarifers will be needed if each one is 90 ft in diameter and the surface overflow rate must be less than 575 gal/ft^2/day at the average daily flow rate?
At what pressure does the mean free path of argon at 25 C become comparable to the diameter of a spherical vessel of volume 1.0 dm^3 that contains it? Take ? =0.36nm^2.
How much heat is produced by the complete combustion of 256 CH4 of ? CH4+2O2=CO2+2H2O Hrxn=-802.3kJ
After the addition of a large excess of acid (in comparison with the acid volume needed to reach the equivalence point) D) tell how many millileters of acid are required to reach the equivalence point
Elements are always arranged in order of increasing atomic weights. Metallic properties increase going from bottom to top in a family of elements.
Metallic COpper is formed when aluminum reacts with copper(ii) sullfat. How many grams of metallic copper can be obtained when 54.0 G 0f Al react with 319 G of CuSO4?
It requires 20.65 mL of 0.3000 M NaOH solution to titrate both acidic protons in 40.00 mL of the tartaric acid solution Write the net ionic equation.
Determine the volume of 0.890 M NaOH needed to reach the equivalence point in the titration
what is the pH solution if 100 mL of the solution is .15 M acetic acid CH3CO2H and contains 1.56g of sodium acetate, CH3CO2Na? Ka=1.8x10^-5
What are q and w (in kJ) for the reaction of 53.0 g of Na(s) and 48.0 g of Cl2(g) to produce NaCl(s) at 1 atm and 298K
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