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Calculate the amout of coke needed to be burned in order to heat 500kg of water from 20 celsise to 50 celsise/ The heat of combustion of cock is 36.15kj/g
What is the IUPAC name for Fructose. Not the 1,3,4,5,6- Pentahydroxyhex-2-
Describe the preparation of 1 liter of a 0.75M acetate buffer, pH 4.50, starting from a 1.50 M solution of acetic acid and solid KOH pellets, M.W.=56 (pKa=4.75)
What is the cell potential for the reaction Mg (s)+ Fe^2+(aq) rightarrow Mg^2+(aq)+ Fe (s) at 83\;^\circ C when [Fe ^2+] = 3.60 M and [Mg^2+] = 0.310 M.
A chemist was called to an abandoned aspirin factory to determine the contents of a badly corroded vat. Knowing that two salvage workers had become ill from breathing the fumes
Quantum number representations - What are the possible values of the four quantum numbers for one electron in a 5d orbital?
By what factor does the fraction of collisions with energy equal to or greater than activation energy of 100kJ/mol change if the temperature increases from 19.0 c to 50.0 c ? Give in scientific notation.
How many moles of NaOH must be added to 0.550 L of 0.191 mol/L HC3H5O2(aq) to obtain a solution with pH=4.7? Assume the temperature is 25oC. (For HC3H5O2, pKa=4.89 at 25oC).
A grad student made the news for all the WRONG reasons a few years ago when he synthesized a "nickel hydrazine perchlorate" compound (but didn't give any more detailed information) on a scale 1000 times larger than what his lab advisor told him to..
Give the structure of the major and minor organic products formed when HBr reacts with (E)-4,4-dimethyl-2-pentene in the presence of peroxides.
aluminum and 351 mL of 0.621 M solution of copper (II) chloride, how much of each substance will be present at the end of the reaction. If 10.6 g of the solid is formed, what is the % yield of the reaction?
A .483 mol sample of graphite was heated with 2.14 mol oxygen gas to form carbon dioxide. Graphite is the limiting reagent in this reaction. Calculate the total moles of gas present after the reaction?
How come when you add an electron to an anion, the ionic radius increases, but as you go right across a periodic table, atomic radius decreases
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