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Think about the types of forces holding the atoms together in different chemicals. Are there any patterns that can be drawn from the data? Explain.
compute the mass of h2o formed when 22 grams of propane are burnt if 4.4grams of propane are burnt in excess o2 7.2g of
The relationship between the temperature of a reaction, its standard enthalpy change, and the equilibrium constant at that temperature can be expressed as the following linear equation: In K = -ΔHo/RT + constant, Explain how this equation can be ..
Keq is 1.60 at 933 K for this reaction. H2(g) + CO2(g) H2O(g) + CO(g) Calculate the equilibrium concentration of hydrogen when [CO2] = 0.290 mol/L, [H2O] = 0.250 mol/L, and [CO] = 0.210 mol/L.
KOH was used to titrate 25.0ml of HF. How many moles of KOH were used? How many moles of acid were titrated? What is the concentration of the HF?
calculate the percent (by volume) of air that is displaced if all of the liquid nitrogen evaporates.(liquid nitrogen has a density of 0.807 g/mL)
If the sample of the complex ion compound that you prepared had not thoroughly dried, but contained traces of water or ethanol would this make your value of x too high or too low? Or would it not affect your results at all? Explain.
After 3.2 hours 1/64 of the preliminary amount of a particular radioactive nuclide remains unchanged. Explain what is the half life of the nuclide
a certain metal oxide has the formula mo. when 39.46 grams of mo reacts with excess hydrogen gas according to the
the Cu^+ and I^- ions in equilibrium at 298 K are both equal to 1.03 x 10^-6 M, what is the value of delta G for the reaction?
Problem- Alkanes are hydrocarbons containing only single bonds. Acyclic alkanes have carbon atoms arranged in chains, whereas cycloalkanes have carbon atoms arranged in one or more rings. A) How many hydrogen atoms are in an acyclic alkane with 7 c..
the standard recipe used in an exercise uses 3.0 ml of 0.25 phenanthroline solution in 100 ml of final solution to
A certain technique is known to have a mean of 0.500 and standard deviation of 1.84*10^-3. itis also known that Gaussian statistics apply. How many replicate determinations are necessary if the standard error of the mean is not to exceed 0.100%
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