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what has the lowest freezing point, pure water, aqueous .60m glucose, .60m sucrose, .20m iron iodide or .50m potassium chloride?
What volume of hydrogen gas is produced when 83.8 g of iron reacts completely according to the following reaction at 25oC and 1 atm.
water can react with an acid or a base to produce two different products. draw the structure of each and label products
What volume of carbon dioxide gas will be produced at 25 degrees Celcius and 590 mmHg, when 65.0 mL of 0.200 M HCl is treated with excess sodium bicarbonate?
Which of the following changes to a voltaic cell would cause an increase in potential (i.e., more positive Ecell)
If you added 75ml of a 0.555M solution of NaCl to enough water to produce 950 ml of solution, what would be the resulting molarity?
If a wave has a frequency of 6.9536 x 109 Hz and an energy of 4.6076 x 10-24 J, what is the speed of light.
How much heat is evolved when 243 g of ammonia gas condenses to a liquid at its boiling point?
Calculate the minimum mass of hexane that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.
To this was added 20.0 ml of DI water making to the total volume 30.0 ml. The concetration of the unknown acid was 0.868 M. What was the concentration of the original acid?
the permangenate ion and determine the standard reduction potential for the reaction.
If the volume of ocean water is 5.4*10^20 contains 4.1 percent sodium chloride ("salt") by mass and the density of the water is 1.86 g/mL.
Explain your answer. Could you still identify what those amino acids were? Explain your answer. What can you not do?
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