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Draw the Lewis Dot Structures for ammonia and for the ammonium ion. Write the net ionic equation for the conversion of ammonia to ammonium ion in water. Explain how this is an example of acid-base chemistry.
An iron ore sample is a mixture of Fe2O3 and several impurities. A 752. g sample of the impure iron ore is heated with excess carbon. Only the Fe2O3 present in the ore reacts with the carbon producing 341. g of carbon monoxide by the following rea..
If 3.00 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution?
Assuming that his cooler will hold 24 cans and 8 pounds of ice. How much salt does he need to Q.S. with distilled water and then freeze to make 8 pounds of ice
During a breath, the average human lung expands by about 0.50L. If this expansion occurs against an external pressure of 1.0 atm, how much work in J is done during the expansion?
why is the h-f bond so much stronger than the h-I bond? how might you tell whether or not your toother paste conatied calcium carbonate caco3, or perhaps baking soda with out looking at the label?
a sample consisting of various gases contains 3.1times10-6 mole fraction of radon. this gas at a total pressure of 34
A sulfuric acid solution is 54.0% H2SO4 by mass and has a density of 1.59 g/mL at 20 C. What is the molarity and molality of the H2SO4 solutions
what is the total molar concentration of ions in
Identify the major species present (other than water) in aqueous solutions of the following substances. Include aggregation states. Note that this text uses H3O+.
To what volume should you dilute 44.0 mL of a 4.60 M KI solution so that 28.5 mL of the diluted solution contains 3.65 g of KI
you have a pure sample of 2-pentanol but discover that it does not rotate plane polarized light. the measurement of
If each mole of gas occupies 55 L under the conditions of the explosion, how many liters of gas are produced? c) how many grams of N2 is produced in the detonation?
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