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A 15-gram sample of neon is placed in a sealed container with a constant volume of 8.5 liters. If the temperature of the container is 27ºC, which of the following expressions gives the correct pressure of gas? The ideal gas constant, R, is 0.08 L·atm/mol·K.
a) The Universal Gas Constant is 8.314 J mol-1 K-1. Express this value in units of atm·ft3 (lb-mol)-1 °R-1 b) A fuel with a composition 89 mol% methane, 7 mol% ethane and 4 mol% carbon dioxide is supplied to a boiler at a temperature of 68ºF and a g..
What is the value of rate constant k? b.) What is the half life of the reaction? c.) What concentration will remain after 25 minutes?
alculate (Triangle Hof f) for the hypothetical compound A2B2 which is formed by the following reaction: A2 (g) + B2 (g) --> A2B2 (g) given the following calorimetry data: mass of calorimeter= 2300g mass of water in the calorimeter
The NaOH Solution with a concentration of .188M is used to titrate a diprotic acid of unknown concentration. 25.00 mL of the acid solution requires 26.54 mL of NaOH solution. What is the concentration of the acid solution
at 298k 125 ml of 0.60 m potassium hydroxide koh is added to 175 ml of 0.40 m hydrochloric acid hcl. what is the final
A food staple is one that makes up the dominant part of a population's diet. They are regularly consumed, even on a daily basis; hence, they supply a major proportion of energy and nutritional energy.
What are the restrictions on free rotation?free rotation : N-Cα-C
Write an equation for the dissociation or ionization in water of each of the following weak acids or weak bases.
What is the formula for the compound formed between germanium with a valency of (IV) and iodine? a. Ge4I2 b. Ge2I4 c. GeI4 d. GeI2
"disappeared" from a rock face that is adjacent to a lake (original pH=6.7) with dimensions 100 m x 40 m x 10 m. You think that the "disappearance" is due to leaching of the pyrite into the lake. To prove your point, what would the new pH of the l..
Calculate the fractional concentration (Y) at an initial protein concentration of 1.3x10*-6 M and an initial ligand concentration of 1.8x10*-6 M
Calculate the number of grams of anhydrous sodium oxalate needed to prepare 250 mL of .04500 M sodium oxalate solution.
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