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Why does cold water boil faster than warm water? Does it have to do with pressure?
How much heat is required to warm 1.20 kg of sand from 26.0 0C to 100.0 0C?
What is the approximate value of the equilibrium constant, Kn, for the neutralization of hydrochloric acid with sodium hydroxide, shown in the equation below? HCL(aq) + NaOH(aq) --> H2O (l) + NaCl (aq)
Part a) Assuming volumes are additive, how much water (in mL) should be added to 12.4 mL of a 1.68 M solution of hydrochloric acid (HCl) to produce a 0.100 M solution
Examine the Lewis structure of methylene blue and explain why it is a cation instead of a neutral species. Where would the extra electron otherwise reside
1.an unknown gas has a mass of 1.36 kg and occupies a volume of 0.628cubic meters at 198 kpa and 35oc. determine the
For each pair of compounds below, indicate the more reactive in the type of mechanism specified. Briefly state why. Explain the smallest molecular dipole moment
Sketch a titration curve for the titration of 100mL of 1.25x10^-2 M ascorbic acid with 1.00x10^-2 M NaOH, given that Ka= 8.0x 10^-5 and Ka2= 1.6x10^-12. How many equivalence points should the curve have and what color indicator(s) could be used?
what is the mole fraction and b) what is the molality of this compound in the solution? the molar mass of the unknown compound is 45.0 g/mol
Calculate the concentration of each substance when mixing 40.0 mL of 0.1 M CH3COOH and 10.0 mL of 0.1 M CH3COONa
A unique iron ore (Fe3O2) produces metallic ion (Fe) and carbon dioxide when heated in carbon monoxide atmosphere. The unbalanced equation for this process is: Fe3O2(s) + CO (g) → Fe (s) + CO2(g).
The value of Kf for cyclohexane is 20.0°C/m, and its normal freezing point is 6.6°C. A mass of 1.604 g of a waxy solid dissolved in 10.000 g of cyclohexane results in a freezing point of 4.4°C. Calculate the molar mass of the solid.
is it possible for some of the aldehyde to not have reacted and beseen in the product mixture? or does the reaction
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