Astudent dissolves of potassium chloride in of water in a well-insulated open cup. he then observes the temperature of the water fall from to over the course of minutes. use this data, and any information you need from the aleks data resource, to answer the questions below about this reaction: you can make any reasonable assumptions about the physical properties of the solution. be sure answers you calculate using measured data are rounded to 2 significant digits. note for advanced students: it's possible the student did not do the experiment carefully, and the values you calculate may not be the same as the known and published values for this reaction. is this reaction exothermic, endothermic, or neither. calculate the reaction enthalpy aw per mole of naoh
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Chemistry, 22.06.2019 04:00
Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?
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Chemistry, 22.06.2019 22:40
Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent
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Chemistry, 23.06.2019 01:00
If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms
Answers: 1
Astudent dissolves of potassium chloride in of water in a well-insulated open cup. he then observes...
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