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A 4.00g sample of an ideal gas occupies 1.24L at 23 degrees Celcius and 1.12bar. What will be its volume at 14 degrees Celcius and 1.50bar?
The vapor pressure of water at 25 o C is 23.8 mm Hg. a. Write the balanced chemical equation. b. Calculate the mass (in grams) of zinc metal that was consumed in the reaction.
Determine the molarity of the solution that is prepared as follows: 73.0 g of magnesium of nitrate is dissolved in enough water to make 550.0mL of solution. molarity
Explain which of the compounds have just bonding pairs of electrons as well as around the central atom. Explain which have a single nonbonding pair of electrons around the central atom
Glass tempering can be accomplished by both thermal and chemical means. Each puts the near surface region of the glass piece into compression, thereby suppressing growth of surface cracks.
what happens to the amine group? Most classical organic chemistry literature is devoted to reactions in solvents or at much lower temperatures but reactions at higher temperatures are rarely studied.
solid aluminum reacts with aq h2 so4 to form h2 gas and aluminum sulfate. when a sample of al reacts 425 ml of h2 gas
calculate the molarity of an nh3 solution made up of 37.5 g of nh3 in 70.0 g of water. the density of the solution is
A Zeolite Softener was completely exhausted by passing 20,000 litres of water sample through it. If the Zeolite requires 150 litres of 5.5% NaCl solution for complete regeneration, calculate the hardness of the water sample.
if a sample of gas is at 2 atm and is at 15 degrees celsius, what would be the new pressure in the gas if the gas is heated to 100 degrees celcius?
A galvanic cell consists of a Mg electrode in a 1.0 M Mg(NO3)2 solution and a Ag electrode in a 1.0 M AgNO3 solution. Calculate the standard emf of this cell at 25 °C
How much heat in kilocalories is required to melt 1.70 mol of isopropyl alcohol ? The heat of fusion and her of vaporization of isopropyl
What is the difference between a monoprotic acid and a diprotic acid, and a weak acid and a strong acid,
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