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The vapor pressure of water at 20 degrees celcius is 17.5 mmHg. What is the vapor pressure of water over a solution prepaired from 2.00 g of surcrose(C6 H22 O11) and 3.50g of water?
A given quantity of electricity passes through two separate electrolytic cells containing solutions of AgNo3 and SnCl2, respectively. If 2.00 g of silver is deposited in one cell, how many grams of tun are deposited in the other cell
Calculate the number of grams of NaOH per 100ml to give a pH8.0 solution if pure water at pH7.0 is used in the experiment. Repeat this calculation for a pH6.0 solution using HCl.
A 25.35g piece of iron and a 27.40g piece of gold at 100C were dropped into 920ml of water at 19.45C. The molar heat capacities of iron and gold are 25.19 J/(mol C) and 25.41 J/(mol C). What is the final temperature of the water and pieces of meta..
Calculate the Pickering series wavelength associated with the excited state ni = 8. B)What region of the electromagnetic spectrum does this transition fall in? gamma ,x-ray ,visible ,radio ,microwave ,infrared ,ultraviolet
Calculated the volume of 1 M solution of HCl needed for 1 unit shift of the pH of the following solutions
Which of the following is correct? A) Solubility is the concentration of unsaturated ions in solution. B) Ksp is the same as the solubility. C) Ksp is an equilibrium constant and solubility is the concentration of a saturated solution
Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide.
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients.
Write an overall, balanced equation for the reaction of Na2SO3 with CH3CO2H, and name the reactants and products.
The temperature of a 150 gram drinking hlass decreased from 25 to 14 * C as 200 grams of water were added
diazomethane and ozone both behave as 1,3 dipoles. Indicate, by drawing their resonance forms, how they can behave as 1,3 dipoles and draw the products of the reaction with styrene.
How much heat energy, in kilojoules, is required to convert 61.0 g of ice at -18.0 C to water at 25.0 C ?
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