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A monoatomic ideal gas has a temperature of 300 K and a volume of 0.1 m3 at a pressure of 1 bar.
a) Calculate the internal energy U of the gas.
b) What is the mean energy ? per gas particle?
calculate the molalities of the following aqueous solutions.a 1.40 m sugar c12h22o11 solution density of solution 1.12
State electron configurations for the subsequent ions and determine which have noble gas configuration: a) Zn2+ b) Te2- c) Sc3+ d) Rh3+ e) Ti+ f) Bi3+
Magnesium can be obtained by precipitating Mg^2+ as Mg(OH)2(s). The Ksp of Mg(OH)2 is 6.0*10^-10. The magnesium ion concentration is 0.059M. If a sample of solution is treated so its [OH-] concentration is maintained at 2.0*10^-3M
A mixture consisting of 0.130 mol N2, 0.041 mol O2, 0.100 mol CH4, and an unknown amount of CO2 occupies a volume of 8.90 L at 25°C and 1.09 atm pressure. How many moles of CO2 are there in this sample
A calibrated flask was filled to the 25.00 {\rm mL} mark with ethyl alcohol. By weighing the flask before and after adding the alcohol, it was determined that the flask contained 19.7325 {\rm g} of alcohol
Predict the intensities of the peaks at masses 57 and 114 in the spectrum of 2,2,3,3-tetramethylbutane. Support your answer with its corresponding fragmentation reaction.
HCFC-123 has been proposed as a substance for CFC-11. Explain how would you expect the following environmental properties to compare
What is the molarity of NaCl in Sea water if sea water is 15.0% (m/m) and the density of sea water is 1.18 g/mL
Draw the estructures of benzoic acid and hydroxide ion, use electron pushing arrows to show how they react, and draw the structure of the products.
Question- A 100.0mL aliquot of 0.100 M weak base (pKb=5.00) was titrated with 1.00 M HClO4. Find the pH after 11.9mL is added.
Sparkling wine is bottled under a CO2 pressure of 4.1 atm. The solubility of CO2 at 4.1 atm is 0.70 g/100 g H2O. What is its solubility after the bottle is opened if the partial pressure of CO2 is 3.4x 10-4 atm
If Bromine has two naturally occurring isotopes .The average mass of bromine is 79.904 u. If 50.54 % of bromine is found as bromine 79(78.9183), Define what is the mass of the other isotope.
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