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What is the empirical formula of a compound with the following percent composition: 40 percent sulfur and 60 percent oxygen?
The energy levels the electron can occupy in the Be3+ ion can be calculated using the energy level equation. Calculate the energy in J of the electron when it is in the n= 4.00 level.
Calculate the mass of sugar and salt in the original mixture. The other answer posted to the other time this questionw as posted seems to be incorrect.
a muon is a fundamental particle equivalent to a one electron atom. the particle has z 2 and a negatively charged
Determine the repeat distance, linear density, and Packing fraction for BCC lithium, which has a lattice parameter of .35089 nm, in the [100], [110], and [111] directions. Which of these directions is close packed
For a hypothetical gas-phase reaction that is second order in A and third order in B, by what factor does the rate change if pA is decreased by 4 times and pB is doubled
explain why nitration occurs more rapidly in a mixture of concentrated nitric and sulfuric acids than in concentrated nitric acid alone
Calculate the number of grams of solute that would be needed to make each of the following solutions
Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration and without rearrangement give 1-methylcyclohexanol as the MAJOR product.
We are enabling the trans to cis isomerization of E-1,2,-bidenzoylethylene by irradiating the alkene with light. Why does light allow for the isomerization. What does light do to the alkene.
If you mix 10 mL of a 0.1 M HCl solution with 8 mL of a 0.2 M NaOH solution, what will be the resulting pH? If a weak acid, HA, is 3% dissociated in a 0.25 M solution, calculate the Ka and the pH of the solution.
Write a complete balanced equation for the neutralization reaction between HCl and NaOH.
In the reaction BaCO3 + 2HNO3 -> Ba(NO3)2+CO2+H2O, what mass of Ba(NO3)2 can be formed by combining 55g BaCO3 and 26g HNO3?
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