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Use the molar volume of a gas at STP to determine the volume (in L) occupied by 15.1 g of neon at STP.
If 6.0 moles of ethene and 6.0 moles of hydrogen are introduced into a 2.0 L sealed vessel and allowed to equilibrate at 200ºC, what is the equilibrium concentration of the ethene
What is the pH of a sulfadiazine sodium solution containing 0.5 M of the drug in 1000 mL of solution?
A piece of pure aluminum is placed in contact with a piece of pure copper. At what temperature should diffusion ooccur for the concentration of copper in aluminum to be 600 kg>m
You have a sample of a white crystalline substance from your kitchen. You know that it is either salt or sugar. Although you could decide by taste, suggest another property that you could use to decide.
Oxalic acid is a diprotic acid that occurs naturally in some plants. Calculate the pH and the concentrations of all species present in a 0.36-M solution.
calculate the molecular weight of Isoamyl acetate with a density of 0.876. Then calculate the theoretical yield of isoamyl acetate in ml, grams and moles. Show all work and calculations.
what compounds would you use and how would testing these two compounds contribute in your knowledge of the above mentioned subjects
Explain how a redox reaction involves electrons in the same way that an acid-base reaction involves protons.
How long would it take for a radioactive isotope with a half life of 2 weeks to lose at least 70% of its radioactivity? Describe two clinical uses of Radioactivity.
The atmospheric oxidation of nitrogen monoxide was studied at 183C with initial partial pressure of 1.000 atm of NO and 1.000 atm of O2. At equilibrium, Po2= .50-6 atm. Calculate Kp. 2 NO(g) +02 ->
0.50 of hydrogen chloride () is dissolved in water to make 5.5 of solution. What is the of the resulting hydrochloric acid solution?
calculate the molar quantity of N2 that must be generated.What molar quantity of sodium azide is required to generate this much nitrogen?
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