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What is the molar concentration of chloride ions for each of the following solutions? Assume all these ionic salts are strong electrolytes
determine the kinetic energy of the emitted electrons when cesium is exposed to uv rays of frequency 1.3 x 1015 hz?
it is only through the study of isolated and purified elements and their combination that one can observe
A sample of 45.0 mg a perfect gas fills a volume of 320.0 cm^3 at a pressure of 256Torr and at a temperature of 298 K. Determine the molar mass of such a gas based on the above data and assuming perfect gas behavior.
Add electron dots and charges as necessary to show the reaction of potassium and bromine to form an ionic compound.
Using the perfect gas law, if the diver rapidly resurfaces to 1 atm of pressure, how much N2 in Liters will come out of their blood
is added to the flask so that the total volume of solid and liquid together is 54.00 . The solid and toluene together weigh 58.58 . The density of toluene at the temperature of the experiment is 0.864
How many times through the cascade does it take to form one molecule of palmitic acid (hexadecanoic acid, C16H32O2)
What is the percent hydrogen (H) by weight of a solution containing 53.5mL of CH3COCH3? The density of acetone is 0.788 g/mL.
1 what polymer is made from the monomer vinylidene chloride?2 what additional polymer is made from this alkene
The Ksp for PbSO4 = 2.53 X 10-8. What is the molar solubility of PbSO4 in a 4.20M solution of gallium sulfate?
Determine the heat of formation of sulfuric acid, H2SO4 (l) from the following thermochemical equations: S8(s) + 8 O2(g)-->8SO2(g) H= -2374.6 kJ S8(s) + 12O2(g)-->8SO3(g) H=-3165.8 kJ H2O(l)+SO3(g)-->H2SO4(l) H=-132.3 kJ 2H2(g)+O2(g)-->2H2O(l) H=..
Classify each reaction and give the name of all the chemical formula involved for each number
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