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A mixture of He, Ne, and Ar has a pressure of 26.1 atm at 28.0 degrees C. If the partial pressure of He is 3.69 atm and that of Ar is 3.90 atm, what is the partial pressure of Ne?
At 710.mm hg a sample of nitrogen gas occiuped 625 ml.what volume does gas occupy if the temperature remains constant and the pressure increases to760.mm hg?
Compute the theoretical amount of CaCl2 that would be needed to change the temperature of 50ml of water from room temperature 20degreesC to 45degreesC.
How many mL of .360M HNO3 are needed to neutralize a 22.5mL sample of .240M KOH.
Use a table listing the ordinate and area for the normal or (gaussian) distribution error curve to find the fraction of a gaussian population within the following boundaries for each one: 1) mu to -0.5sigman 2)-sigma to -0.5sigma
A mailman needs to start at the office A and visit all locations B, C and D and then back to A. How do I write an algorithm/pseudo code using the brute force method to find the best route.
the oxidizing power of household bleach solutions can be lost when they are exposed to heat or sunlight or due to
CH3OH(g) is decomposed by this reaction at constant pressure. (c) For a given sample of CH3OH, the enthalpy change during the reaction is 82.1 kJ
suppose that ethanol of 130 g at the normal temperature of 25 degrees celsius is combined with ethanol of 250 g at 81
1) What is the strongest metal? 2) The strongest alloy? 3) Which salt has the highest vaporization point? 4) Which covalent molecule has the highest vaporization point?
(i) Arrange the following compounds in the order of increasing melting points: (a) He, (b) NH3, (c) LiBr, (d) Ar, (e) CsBr, (f) PH3, (g) CsI, and (h) RbBr.
Consider the following chemical equations: A) Fe2O3(l) + Al(l) ---> Fe(l) + Al2O3(s) If 25.0 g of molten iron(III) oxide reacts with 475 g of aluminum, what is the mass of the iron produced. B) Al(OH)3(s) + H2SO4(l) ---> Al2(SO4)3(aq) + H2O(l) If ..
These are characteristics of the titration curve for 25.0 mL of 0.400 M NH3(aq) titrated with 0.335 M HI(aq). (For NH3, Kb = 1.8x10-5.) (1a) The initial pH : (1b) The volume of HI(aq) required to reach the equivalence point : (1c) The pH at the ha..
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