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A person weighing 77kg jogs at 1.5m/s. Calculate the momentum and wavelength of this person. Can you observe the wavelength of this person?
Write a net ionic equation for the reaction that occurs when sodium sulfite (aq) and excess nitric acid (aq) are combined. Note: Sulfites follow the same solubility trends as sulfates.
the mileage for a motorcycle with a fuel tank capacity of 22 l is 35 miles per gallon. the density of gasoline is 0.74
Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which demonstrates the type of substituition which occurs. Explain how this mechanism accounts for the relative rate of reactivity for 1 degree, 2 degree and 3 deg..
Determine the pH at the equivalence (stoichiometric) point in the titration of 31.4 mL of 0.899 M HF by 0.886 M NaOH. The Ka of HF is 3.5 x 10^-4.
determine what amount of heat is required to increase the temperature of sixty grams of ethylene glycol from 15.1
A student adds an excess (more than she needs to react completely) of solid sodium hydrogen carbonate to a beaker containing exactly 675 mL of 0.220M coper(II)nitrate aqueous solution.
Does the reaction occur spontaneously at the temperature of 298 K and standard state conditions also Calculate the value of S°univ.
Assuming the following reaction proceeds in a forward direction Cu2+(aq)+Ca(s)----> Cu(s) + Ca2+(aq) Which one is oxidized and which one is reduced
solution is diluted to a total volume of 278 mL. A 139-mL portion of that solution is diluted by adding 155 mL of water. What is the final concentration?
what is the percent yield of a reaction in which 228 g phosphorus trichloride reacts with excess water to form aqueous
If you have 375 molecules in a 10^-4 dilution, how many molecules were in the original solution
18.6 grams of a solute with moecular mass of 8940 grams are dissolved in enough water to make 1.00 dm^3 of solution at 25 ^0C. What is the osmotic pressure of the solution?
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