Calculate the numbers of kilograms of copper sulfide
Calculate the numbers of kilograms of copper sulfide could be formed from the reaction of .9 mol of copper with excess sulphur?
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Assuming that both of these compounds consist of molecules that contain only one atom of phosphorus per molecule, 2 compounds that contain only phosphorus and an unknown element x have ratios mass x/mass p of 1.84 and 3.06,
Estimate the minimum and maximum number of bonds that chlorine (Cl) forms? Assume chlorine bonds with hydrogen. Is the minimum 1and the maximum 7?
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At 25 degrees C 15.00 g of solid ammonium hydrogen sulfide is introduced into a 500ml flask, the flask is sealed, and the system is allowed to reach equilibrium.
To compare the users of Twitter to those of Facebook, the sociologist asked another 10 students to indicate the number of times they log in to their Facebook account each month. The average number of times a student accessed his/her account per mo
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A poll stated that 32% of those polled think economy is getting worse. An economist wanted to check this claim so she surveyed 750 people and found that 30% of them thought economy is getting worse. then if we are doing the 2 tail test and a= 0.05
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