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1. A sample of argon gas at STP occupies 56.2 litres. Determine the number of moles of argon and mass in the sample.
2. At what temperature will 0.654 moles of neon gas occupy 12.30 liters at 1.95 atmospheres?
Problem- Use data from Appendix IIB in the textbook to calculate the equilibrium constants at 25oC for each of the following reactions.
How many moles of hydrochloric acid were added to the flask? The molar mass of hydrochloric acid is 36.3094 g/mol. Remember that the 6 M HCl solution was diluted by half with water. (molar mass = mass/moles) Choose the closest answer.A. 0.03 ..
Calculate your quantities of starting materials requaired in order to obtain a yield of 0.5 g of aspirin (acetylsalicylic acid). Reaction: Salicylic acid + Acetic anhydride --> acetylsalicylic acid + acetic acid
use standard reduction potentials to find the equilibrium constant for the following reaction at 25 degrees C.
The high resolution mass of a compound was measured to be 187.0878, Determine a likely molecular formula for this compound and explain how you arrived
Write down the securlar determinants for (a) linear H3, (b) cyclic H3, within the Huckel approximation. Estimate the binding energy in each case.
carbon monoxide and 10% remains undurned. Calculate the compostion of the exhaust gas on a wet basis.
The tallest living man today, as recorded, is Allam Chamna of Pakistan. He is 8 feet and 3 inches tall. What is his height in meter - Light travels with a speed of 3 x 108 m/s. Express speed in km/hr - Identify the functional group of the given org..
Question- What is the density in (g/L) of a sample of nitrogen gas that occupies a volume of 6.78L at a pressure of 2.43 atm and temperature of 40.6 degrees Celsius
A sample of zinc weighing 2.077 g is dissolved in 2.00 M HCl. What (minimum) volume of HCl is required to dissolve the Zn? (Zn dissolves in HCl to form Zn2+
A compound that is 43.64% P and 56.36% O by weight has a molecular weight of 283.88 g/mol. What is the molecular formula of this compound
A buffering system in the blood is H2CO3/HCO4. At the normal blood pH (7.4) a solution of H2CO3 and HCO3 will change the pH abruptly if small amounts of acid or base are added since the pKa of H2CO3 is 6.4.
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