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Dissolved salts are not the only solute that affects the pH of water. Gases may also dissolve in aqueous solutions and affect the pH of the solution. For example, gaseous CO2 can react with H2O and affect the pH of the solution. Write the balanced chemical reaction that occurs. Use this reaction to describe why solutions of distilled water will test slightly acidic.
This Tetris ice cube game is available to play as long as the ice cubes remain ice. The game pieces weigh 178 g, and the heat capacity of the room air,
When one mole of solid NaOH is dissolved in 1L of solution, 44.5kj of heat are released. How much heat is released when 1.00g of NaOH is dissovled in 100.0mL of water?
converted completely to another molybdenum oxide by adding oxygen. The new oxide has a mass of 17.63 g. Add subscripts below to correctly identify the empirical formula of the new oxide.
Express the concentration of a 0.0280 M aqueous solution of fluoride in mass percentage and in parts per million.
a helium-filled weather balloon is launched from the ground where the pressure is 752 mmHg and the temperature is 21 degrees celsius. under these conditions its volume is 75.0 L.
Calculate the grams of potassium iodate, KIO3 (FM 214.00) required to react with 25.0mL of a 0.0700M solution of sodium thiosulfate, Na2S2O3
Do bonds break during the evaporation of the molecular substances hexane and 1-pentanol
Calculate the volume of the NaOH solution prepared in (2) required to react with all of the t-butyl chloride in 1.0mL of the 0.050M solution prepared in (1)?
Consider the following reaction, equlibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of SO3(g)
Why do compounds change color when separation by TLC was repeated and dipped in an acid soultion?
Your observations should reveal a difference in at least one property between sodium benzoate and benzoic acid. What property was that, and what observation will reveal the difference?
The temperature of the acid solution increases from 24.2 oC to 29.9 oC. Calculate deltaH for the reaction that occurred.
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