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Two Evacuated bulbs of equal volume are connected by a tube of negligible volume. One bulb is placed in a 200 K constant temperature bath and the other in a 300 K constant temperature ath, and then 1.00 mol of an ideal gas is inected into the system. Find the final number of moles of gas in ech bulb.
What NaCl concentration results when 214 mL of an 0.680 M NaCl solution is mixed with 592 mL of a 0.230 M NaCl solution
the compound sucrose is commonly known as table sugar. the chemical formula of sucrose is C12H22O11. How many hydrogen atoms are resent in 1.50 x 10^-4 mol of sucrose
a scientist watns to make a solution of tribasic sodium phosphate na3po4 for a laboratory experiement. how many grams
Predict the physical state of ammonia at -95 degrees C (mp =-77degrees C, Bp =-33 degrees C) and normal atmospheric pressure.
Use the Henderson and Hasselbalch equation to calculate the pH of a buffer solution that is 0.45 M in NH4Cl and 0.15 M in NH3
At what temperature will a gas be at if you allow it to expand from an original 456 mL at 65 celcius to 3.4 L?
A particular metallic element, M, has a heat capacity of 0.36 J * g^-1 * K^-1. It forms an oxide that contains 2.90 g of M per gram of oxygen. (a) Using the law of Dulong and Petit (Cp x M = 25 J per mole per Kelvin), estimate the molar mass of th..
What mass of NaOH can this buffer neutralize before the pH rises above 4.00?
Suggest at least one characteristic absorption each in the IR spectra of 9 fluorenone and 9 hydroxyfluorene that could be used to distinguish between these two compounds
the second-order reaction 2 mnco5 mn2co10 has a rate constant equal to 3.0 x 109 m-1s-1 at 25degc. if the initial
A sample of unknown material containing C,H,& O is analyzed to determine the molecular weight. A 1.25g sample is burnt and produces 1.72g of CO2.
calculate the difference between the Gibbs free energy and Helmholtz free energy for this reaction at normal temperatures and pressures.
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