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Determine the pH and pOH for each of the following solutions: a)[OH^-]=1.0x10^-7 M b)[H3O^+]=4.2x10^-3 M c)[H3O^+]=.0001 M d)[OH^-]= 8.5x10^-9 M
If the mass of helium-3 is 5.0064 x 10^-24 grams and the mass of a deuteron is 3.34370 x 10^-24 grams. Calculate the energy released by this reaction using Einstein's equation.
a highly radioactive element is determined to contain 0.3256 mol of the element. What is the element?
when atoms lose more than one electron, the ionization energy to remove the second electron is always more than the ionization energy to remove the first.
(a)What is the coordination geometry about the vanadium ion incrystals of the alum? Write balanced equations for each reduction step
Show the mechanism for the preparation of 1-bromobutane from 1-bromobutanol reacting with NaBr and sulfuric acid. an sn2 mechanism and one step.
How many moles of H2SO4 must be present to react completely with the NaOH delivered from the buret.
Write the equation(s) that describe the synthesis of (NH4)2PbCl6 starting from Pb(II) [i.e Pb(NO3)2]. Hint:There is a redox reaction in the first step, where the bleach (ClO^-) is the oxidising agent.
A 1- flask is filled with 1.45 of argon at 25 . A sample of ethane vapor is added to the same flask until the total pressure is 1.30 .What is the partial pressure of argon, , in the flask?
Which of the following hand tools would be classified as "chiral?" Ignore any writing that might normally appear on the tool
A sweet beverage drink contains sugar labeled as having 95 Calories (95kcal) of energy. how many kilojoules are there in 95.0 Calories?
A glucose molecule is labeled at carbon-3 with 13C. How many turns of the citric acid cycle are required to remove the carbon as CO2?
Carbon and silicon belong to the same group and are known to have similar properties. Do you think that silicon can replace the role that carbon
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