The specific heat of mercury is 380 j/kg/k. how much energy is required to raise the temperature of 42g of mercury from 25°c to 39°c?

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13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

What are the constituent metals of stainless steel?