An expansion implies an increase in volume, therefore w must be -325 J (see the defining equation for pressure-volume work.)
If the system absorbs heat, q must be +1271. The
change in energy (internal energy) is:

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

Which of the following are correct values for the ideal gas laws constant r

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.