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Atmospheric pressure yesterday was given as 0.875 atm. Express this pressure in units of torr as well as also in kilopascals (kPa) respectively.
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
Using the entropies at 298 K, the heat capacities of the substances involved, and such other data as are necessary, calculate the standard entropy of reaction (ΔS°) at 1000 K for the reaction:
If vitamin A is 83.86% Carbon and 10.56% Hydrogen by mass then determine the the molecular formula this vitamin A.?
The volume of .05 M KOH solution that contains the same number of mmol as .1 mL of tert-butyl bromide? For the number of mmol of tert-butyl bromide, I got .8912 mmol.
Write a balanced chemical equation for the first reaction in the airbag gas generator (the decomposition of NaN3).
Compare the amounts of reactants and products that will be present when the system reaches equilibrium. c.What will happen to the amount of Cl2 in the system if HCl is removed from the mixture. d. For this reaction, will the value of DG be positiv..
Identify the lattice type and all symmetry operations that are indicated by the space group symbol for the orthorhombic pbc21. Describe each of these fully.
How to illustrate a 3-D structure from a Newman projection. as well, each atom how to know if to put the atom on top bottom, wedged or dashed
A student determined the Ca^2+ ion content of a 100 mL sample of calcium-fortified orange juice. After adding 2.0 M HCl solution to the sample, the student filtered the juice to remove the pulp and other particulate matter.
10.0 mL of a 0.30 M sodium phosphate solution reacts with 20.0 mL of a 0.20 M lead(II) nitrate solution (assume no volume change)What mass of Pb3(PO4)2 will form
A sample of neon gas occupies a volume of 2.8 L at 1.8 atm. What would it's volume be at 1.2 atm
in an experiment 1.65g of leadii nitrate react with .327g of zinc. what is the mole relationship between the lead
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