What two factors do you need to know to calculate how much work was done in any situation? fast due in 25 min

Energy flows from the producer level to the level. is called

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.

Decreased sensitivity to an unchanging stimulus is known as