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What is the heat change (KJ) when 2.31 moles of chlorine reacts with methane?
Why do lipid insoluble drugs need active transport for absoption
Acid base extraction
Write down all the chemical equations that took place in the extraction of benzoic acid, pnitroaniline and azobenzene.
Write down all the chemical equations that occur in the extraction of benzoic acid, pnitroaniline and azobenzene.
Topic : acid-base extraction
At what temperature will salt solution boil if 20 g salt (NaCl) is added to 1.5 kg of water?
Note: Remember that NaCl is a strong electrolyte and dissociates to Na+ and Cl- , respectively.
Compound X contains only carbon, hydrogen and oxygen. A 0.2000 g sample of compound X was burnt completely in a combustion vessel to yield 0.3906 g of C02 and 0.200 g of H20. Determine the empirical formula of compound X.
Learning Task 3
Determine if liquid water will spontaneously freeze at -10.00 oC? Is it spontaneous at +10.00 oC? What can you say about
the values of ΔSuniv?
Determine the number of moles of oxygen required to burn 12 moles of ethane (C2H6); 2C2H6 + 7 O2 = 4 CO2 + 6 H2O
Calculate the theoretical yield of AlF3 obtained from the reaction of 0.45 mole of Al in the reaction: 2 Al + 3F2= 2 AlF3
Using the chemical reaction, Xe(g)+F 2 (g) XeF 4 (g) , how many ml of xexor tetrafluoride will be produced from 2.65 mL of xenon and 1.74 mL of fluorine?
