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How many grams of cholesterol does a person with a blood volume of 4.60 L have circulating in his or her blood?
what volume of nitrogen gas is needed to react completely with 150.0 L of hydrogen in the production of ammonia.
The law of definite proportion would predict that a 70.0 g gram sample of chemical X should contain how many grams of nitrogen?
If a message from flight control requires 170 sec to reach a satellite, how far in kilometers is the satellite from Earth?
Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 375 of insulin at a concentration of 50.0 . What is the total mass of insulin in the bottle?
The heat of fusion of water is 335 J/g. How much heat would be required to melt 47.5 g of ice?
Compute the pressure (in atmospheres) Using the van der Waals equation, exerted by water(H2O) of 23.93 grams at 36.11 degree celsius in a 1.00 Litre container.
Calculate the concentration of oxygen in mg/L required to completely oxidize the following organic compounds. Use 500 mg/L for the concentration of each compound.
Draw the structural formulas for any three compunds with the molecular formula C4H10O. If its an alcohol, classify each alcohol as primary, secondary, or tertiary?
you have dissolved 0.298 g of soda ash into 80 mL of deionized water. It took 19.8 mL of 0.0998 M HCl to titrate the solution to the second equivalence point. What is the percent Na2CO3 in the soda ash?
There are two naturally occurring isotopes of bromine. 79Br has a mass of 78.9183 amu. 81Br has a mass of 80.9163 amu.
A student has prepared a 0.309 M solution of Barium hydroxide and a 0.443M solution of hydrochloric acid for you. Determine the volume of the hydrochloric acid solution will be needed to exactly neutralize 10.0 mL of the Barium chloride solution.
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
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