50.0 mL of 0.3 M barium nitrate is added to 25.0 mL of 0.4 M sodium sulfate. Calculate the grams of barium sulfate formed.

What is the temperature of one mole of helium gas at stp?

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.

What if it is did darwin used to support his theory of evolution