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In the following conditions calculate the moles of hydrogen and the pressure in each flask where the volume is negligible. Each flask is originally 275K with .455 mols of hydrogen gas and .7atm of pressure. Then one flask is heated to 500K while the other remains at 275K
Diamonds are measured in carats, where 1 carat=0.200 g. The density of diamond is 3.51 g/cm^3. What is the volume of a 2.50-carat diamond
Write the molecular, total ionic and net ionic equations summarizing the reaction between aqueous solutions of potassium chloride and silver nitrate.
Calculate kc for the reversible reaction and determine what is the activation energy
You are given the chemical reaction: 4AsF3 + 3C2Cl6 -> 4AsCl3 + 3C2Cl2F4.If 1.3618 moles of AsF3 are allowed to react with 1.000 mole of C2Cl6.
You are given solutions of HCl and NaOH and must determine their concentrations. You use 30.6 mL of NaOH to titrate 100. mL of HCl and 18.0 mL of NaOH to titrate 50.0 mL of 0.0796 M H2SO4. Find the unknown concentrations.
Consider what happens when a sample of the explosive TNT is detonated. (a) Is the detonation a spontaneous process (b) What is the sign of q for this process
State the methods by which a radiation oncologist can administer these therapies. Additionally, state four major differences between the two modes of treatment.
Urea, NH2CONH2, is a nonvolatile nonelectrolyte. Calculate the boiling point of a solution of 30.0g of urea in 250g of water
All ammonium compounds, that comprise the ammonium ion (NH4+) and negative ion, are thermally unstable. Explain two ways that ammonium compounds decompose when they are heated.
How many grams of HCl are required to react with the 344 grams of FeCl2?
A solution of 1-pentanol and butanoic acid in ether is shaken with aqueous sodium bicarbonate (NaHCO3) solution. Which of the following correctly describes the major organic contents of the two solutions? Can you explain the answer you chose
It takes 49.0 J to raise the temperature of a 9.60 g piece of unknown metal from 13.0 degrees celsius to 24.5 degrees celsius. what is the specific heat for the metal?
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