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How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor?
If a bottle of nail polish remover contains 181 g of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 g/mL
A metal bulb is filled with 10.2 g of CHCl3 and 0.322 g of CH4 (two gases). What is the total pressure in the bulb if the temperature is 345 C and the volume is 50.0 mL.
A 20.0 ml sample of 0.200 M Hbr solution is titrated with 0.200M of NaOH solution. Calculate the pH after 16 ml of NaOH has been added.
Find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
What is the origin of the charge neutrality requirement in solids? Why must solids have charge neutrality in the bulk,
Write the expression for the equilibrium constant, Kb, for methylamine also compute the molar concentration of OH- in the 50.0 mL sample of the CH 3 NH 2 solution.
Given the unbalanced equation: Ag2CO3 ® Ag + O2 + CO2, how many moles of Ag can be produced from 2.5 moles of Ag2CO3.
explain Why this separation occur and which solvent will be on top - the temperature of twenty degree Celsius. When hexane is added with H 2 O, there is a separation
55.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139 mL portion of that solution is diluted using 175 mL of water. What is the final concentration.
Imagine that you have a 6.50L gas tank and a 2.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
Calculate the percent by mass of calcium carbonate in the rock, assuming that it is the only substance reacting with the HCl solution.
For the equation: C (s) + CO2 (g) -> 2CO (g); the value of Kp is 167.5 at 1000 oC. If a 5.00 L container initially contains 2.99 atm pressure of CO2 (g) at 1000 oC, what are partial pressure of CO2 (g) and CO (g) at equilibrium?
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