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When 0.187 g of benzene, C6H6, is burned in a bomb calorimeter, the surrounding water bath rises in temperature by 7.48 C. Assuming that the bath contains 250.0 g of water and that the calorimeter itself absorbs a negligible amount of heat, calculate combustion eneergies (change of energies) for benzene in both kj/g and kj/mol.
Was measured at several temperatures and the following data was collected, Using this data, graph ln k 1/T. using your graph determine the value of Ea please show work and show a graph
consider the following reaction. Mg+H3PO4 magnesium phosphate and hydrogen. what is the molecular formula for magnesium phosphate.
Write the structure of a different product that could have been formed if you used ethanol containing substantial amount of water instead of the absolute ethanol
Explain what will happen when the Ag/AgCl gel of an ECG electrode used to monitor a patient in the ICU dries
Write equations illustrating the reactions with water of the following acids. Indicate strong acids with a single arrow and weak acids with equilibrium arrows. Use hydronium ion in you answer if needed.
A student ran the following reaction in the laboratory at 689 K H2(g) + I2(g) 2 HI(g)
if iodine gas reacts with excess fluorine gas to produce 7.575 g of iodine penta fluoride gas, what was the pressure of the iodinee gas before reacting if it was kept in a 1.5L flask at 298 k
How many molecules of HCCH react with 143 molecules of oxygen to produce carbon dioxide and water?
Which do you think would be larger and why? The first ionization energy, IE1, of Ne,The second ionization energy, IE2, of Na
acetic anhydride C4H603 to form aspirin C9H8O4 and acetic acid CH3C00H. What mass of acetic anhydride did the student use? What is the limiting reactant?
Write down the electron configurations for C2 and F2. What is the bond order for each? Which one is likely to have larger bond dissociation energy.
Calculate the percentage of chlorine in a sodium hypochlorite powder (disinfectant for pools) if 5.0 kg of powder gives off 2.3 kg of chlorine.
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