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Calculate the concentration of H3O in a solution that contains 5.5 x 10^-5 M OH at 25 degrees celsius. Identify the solution as acid, basic, or neutral.
Find the energy of a photon of light if the wavelength of the light wave is 6.88 x 10-7 m.
Why is it important to not dilute an initial sample before it hasbeen loaded
Although the double bond, in total, is stronger than a single bond, the pi bond itself is weaker and can react with electron-deficient species such as a hydrogen ion.
What are the boiling point and freezing point of a 2.58 m solution of naphthalene in benzene. (The boiling point and freezing point of benzene are 80.1°C and 5.5°C, respectively.) boiling point °C freezing point °C
calcium phosphide reacts with water to produce calcium hydroxide and phosphine. a if you start with 15.0 g of calcium
calculate the molarity of acetic acid in a vinegar sample knowing that 5.00 ml of vinegar requires 43.50 ml of 0.105 m
You prepare a suspension by dispersing 20.0 g solid compound with the aqueous dispersant (outer phase of the suspension) to a final volume of 100.0 ml. The dispersant contains 10% w/v glycerol and 0.5% w/v polysorbate 80. The density of the solid ..
calculate the molarity of a solution of glycerol made by dissolving 68.000 glycerol at 15 in enough water to make
If 3.8 kcal of energy is released when 1 gram of glucose is combusted, calculate how many kcals are released when 0.689 moles of glucose are combusted
Molybdenum crystallizes in a body-centered cubic array of atoms. The edge of the unit cell is 0.314 nm long. Calculate the density of this metal.
Assuming the only weight loss for the rat is the loss of CO2 gas (i.e. water is retained), how many grams does the rat weigh once the sugar is metabolized?
Which of the following addition will result in no change in the pH of the solution a. Adding ammonium nitrate to an ammonia solution.
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