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Compare and contrast empirical and molecular formulas. How are they similar? How are they different?
the volumes for both reactants were mistakenly and unknowingly reduced by 5 in all of the beers law plot solutions.
Problem- A current of 4.73 A is pass through a Pb(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 6.80 g of lead
kind of security from the cash using the lender they ought to choose the actual unsecured type of credit score. It's short term within character that the eye billed onto it is actually higher that they can can certainly conquer having a correct re..
Discuss the phase changes that occur in the liquid solid and liquid vapor boundary. Describe how the locations of phase boundaries are obtained. Discuss any assumptions used in the Clasius Clapeyron equation.
Henry's law constant for helium gas in water at 25 °C is 3.70·10^-4M/atm.
A mineral of a certain metal is a binary compound with sulfur. Analysis shows that a 181.5 g sample of the mineral contains 109.1g of metal. Calculate the mass percent of sulfur in the mineral.
In an investigation of the reaction between copper(II) ions, Cu2+, and hydrazine, N2H4, in alkaline conditions the following observations were made
when a pure sample of tert-butyl bromide is analyzed by gas chromatography two components are usually observed. one of
Give examples of a neutral salt, acidic salt and basic salt. Explain your choice.
What is the final concentration of copper in the flask b)what is the uncertainty in the value of the copper concentration?
Problem- Which of the following general electron configurations would correspond to an ad with four valence electrons a, ns^2 np^2 b, ns^2 np^4 c,ns^2 (n-1)d^4 d,ns^2 (n-1)d^10 np^4
Balanced chemical equation for the combustion of liquid ethanol c2h5oh, in oxygen, yielding gaseous carbon dioxide and water vapor.
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