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What is the difference between a one dimensional array and a two dimensional array, how would you call a specific point in the array for each?
The diameter of a neutral helium atom is about 1.0 multiplied by 102 pm. Suppose that we could line up helium atoms side by side in contact with one another. Approximately how many helium atoms would it take to make the distance from end to end 1 ..
sodium bisulfite is a reducing agent. write a balanced oxidation reduction reaction equation for the reaction that occurs
What is the potential of an electrode consisting of zinc metal in a solution in which the zinc ion concentration
a 0.187-g sample of a co32- antacid is dissolved with 25.0 ml of0.0984m hcl. the hydrocloric acid that is not
White phosphorus is a molecular solid made of molecules of P4. A 3.05 g sample of white phosphorus starts at 20oC. Calculate the amount of heat (in J) required to melt the sample.
What are the common Rf values that need to be known in biochemistry?
Description of physical chemistry, Find delta Smix, delta Gmix, delta Hmix, and delta Vmix if 125 g of benzene and 25 g of naphthalene are mixed at 60 degrees C.
A 25.00 mL sample of this solution was withdrawn and treated with 50.00 ml of 0.1186 M Ce^+4 in acid solution, and after a few minuted the excess Ce^+4 was black-titrated, requiring 31.13 mL of 0.04289 M Fe^+2 solution. Calculate the weight percen..
If the solution had 100mg of trans-lycopene in it, how many moles of elemental bromine would be required to completely react at all possible reaction sites? How many total stereocenters are formed. How many different products are there
When all of the liquid was turned to vapor, the stopper was pushed down tight as well as it was determined later on that only 0.570 grams of liquid condensed in the flask when the apparatus returned to room temperature. Find out the composition of..
how much heat in joules is gained by the water where a chemical reaction takes place in 100 ml aqueous solution and has
Iron(III) oxide reacts with carbon to give iron and carbon monoxide; Fe2O3(s)+3C(s)-->2Fe(s)+3CO(g). a) How many grams of C are required to react with 2.50 mol of Fe2O3
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