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A fixed quantity of gas at 21 C exhibits a pressure of 752 torr and occupies a volume of 5.12 L. a) Calculate the volume the gas will occupy if the pressure is increased to 1.88 atm while the temperature is held constant
A 100. mL sample of 0.200 M aqueous hydrochloric acid is added to 100. mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity (excluding any water) is 480. J/K. The following reaction occurs when the two solutions are mixed.
A 1.996 gram sample of unknown monoprotic acid is dissolved in some water. This acid solution is then titrated to the end point with 27.38 mL of a solution of 0.4165 M KOH.
How many moles of N2 are produced by the decomposition of 1.80 mol of NaN3?
Propose a detailed mechanism for the acid - catalyzed Fisher esterification of propanoic acid
what is the volume of 1 mole of Helium gas when the pressure is 1.47 atm and the temperature is 287 K.
If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams?
If a raindrop weighs 53 mg on average and 5.1 105 raindrops fall on a lawn every minute, what mass (in kg) of rain falls on the lawn in 3.0 h.
What is the resulting temperature when 35 g of water at 75C is mixed with 15 g of water at 15C? (The specific heat of water is 4.184 J/g x C.)
A 60.0 g sample of an alloy was heated to 96.0 °C and then dropped into a beaker containing 87.0 g of water at 24.1 °C. The temperature of the water rose to a final 27.63 °C.
Lysine is an amino acid that is an essential part of nutrition but which is not synthesized by the human body.
The reaction of 2.5g of Al with 2.5g oxygen (actually) produces 3.5g of Al oxide. Calculate the % yield of aluminium oxide.
What is the approximate Na+ ion concentration in a 0.75 M Na2CO3 solution? a. 0.375 M b. 0.75 M
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