How many Joules of heat are gained by a 32.5g silver necklace as the temperature rises from 33.2t to 76.0C? Specific heat of silver is 0.235g/J°C

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

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.

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?