Assume 150. grams of water is cooled in a refrigerator. The water’s temperature changes from 20.0 C to 12.5 C. The specific heat of water is 4.184J(g·C) 1) Determine the amount of energy in joules transferred by the water.

2) How many calories were transferred?

3) Was this an endothermic process or an exothermic process? Explain

b is the correct answer

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the seeing the electronic configuration we can say that the element is fluorine.

fluorine is the most electronegative element in the periodic table.

but by only seeing the configuration we cannot say about its reactivity because we don't know if its configuration after excitation or by addition of electrons.

but if not then, it is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. as the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine.