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Florine is so reactive that it forms compound with material insert to other treatment when 0.448gm of plantinum is heated in florine, 0.71gm of dark red, volatile solid forms. What is emperical formula?
In a titration experiment, a 12.5 mL sample of 0.0500 M KOH neutralized 14.7 mL of HNO3 solution. Calculate the molarity of the HNO3 solution.
(heatcapacity of water : 4.184 j/g/k) if the final temperature of the system is 30c, what is the specific heat capacity of the alloy
A catalyst decreases the activation energy of a particular exothermic reaction by 59 kJ/mol, to 51 kJ/mol. Assuming that the mechanism has only one step, and that the products are 94 kJ lower in energy than the reactants
Suppose you have a sample of sodium weighing 11.62 g. How many atoms of sodium are present in the sample?
write an individual balanced equation for the dissolving of each salt in solution, including phase labels B) what was the concentration in molarity if each ion in solution, Mg 2+, Na+, Cl-?
Ca(OH)2 (aq) was prepared) wasn't truely saturated (it was unsaturated) how would this affect the calculated value of the Ksp?
Although there are a great variety of lipid structures, most lipids contain: A) A large hydrocarbon portion and no polar groups B) A large hydrocarbon portion and a few polar groups
Thirteen grams of titanium react with 60.0 g of bromine. How many grams of titanium(IV) bromide are produced, assuming 100% yield? How many grams of excess reagent are present after the reaction?
You are given 10.0 of aluminum and 15.0 of chlorine gas. Part A If you had excess chlorine, how many moles of of aluminum chloride could be produced from 10.0 of aluminum
Given 6.4 mL of sulfuric acid (98%) calculate the number of mmols. (MW H2SO4: 98.08 g/mol, density: 1.840 g/mL)
Find the equilibrium pH of a 10^-3 M NaCN solution by using graphical methods, try to find the equilibrium pH with the charge balance and separately with the proton condition.
1.0678g of a standard iron(ii) ammonium sulfate, (NH4)2Fe(SO4)2. 6H202 requires 35.50mL of permanganate solution for titration. calculate the molary of the permanganate solution.
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