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A gas at 763 mmhg and 31 degrees C occupies a volume of 4.98 L. Calculate its volume at STP in g/mole
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How many molecules of butane (C4H10) are contained in a 9.213 g sample? How many hydrogen atoms are contained in this sample?
A paint contains 180.0 ppm lead. Approximately what mass of lead will be in 1.00 cm ^3 of this paint when 1.00 gal is uniformly applied to 445.0 ft 2 of a wall. The density of the paint is 8.00 lb/gal.
There are five forces identified by porter their relevance will be necessary for evaluating companies identified in the pharmaceutical and tobacco industry in the Middle East. CAD Pharmaceuticals Middle East pharmaceutic ...
Interpretation of Reactions by Ionic Type Equations. Aqueous solutions of the following substances or their mixtures with water if they are only slightly soluble, are mixed. Write first the conventional equation , secon ...
C-14 analysis of the Shroud of Turin has shown that approximately 93% of the 14C present in living matter is still present in samples taken from the shroud. Based on this information, what is the approximate age of this ...
A chemist adds 370.0 mL of a 0.371M barium acetate (Ba(C2H3O2)2) solution to a reaction flask. Calculate the millimoles of barium acetate the chemist has added to the flask. Round your answer to 3 significant digits.
A power plant converts the heat energy in coal to electricity with 35% efficiency. Transmission losses are 10%. A factory then uses that electricity to make hydrogen with 50% efficiency, which is used in a fuel cell to m ...
H 2 (g) + I 2 (g) = 2HI Temperature = 731 K If 1.60 mol H 2 and 4.20 mol I 2 areplaced in a 1.08 L vessel What is the equilibrium concentration of H 2 in the gaseous mixture? The equilibrium constant is K = 49.7
Calculate the number of moles of barium chloride in 427g of a 3.17% by mass barium chloride solution?
a) Glucose is a carbonate that your body can burn for fuel. It is 40 percent C and 6.71 percent H by mass. The rest is O. What is the empirical formula of glucose b) The molar mass of glucose os 180.0 g/mol. what is the ...
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