Why does buying locally grown fruits and vegetables decrease your carbon footprint? a.) they are grown without fertilizers. b.) less fuel is used to deliver these products to the market. c.) they are healthier for you. d.) less water is used to grow these products.

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.

Acar travels 40m in 8 seconds find the car speed

Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?