A reaction vessel inside a calorimeter contains 150 g of water at 19C. A reaction takes place in this chamber, after the reaction is complete the temperature of water is 29C. How many Joules were released/abosrbed during this reaction?

the answer to your question is c.

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b.final

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

the answer is c i took the test