Use the equation to help you calculate the heat of combustion of ethylene, C2H4. The bond energies are: C-H -416 kJ/mol; C-C 356 kJ/mol; C=C 598 kJ/mol; O=O 498 kJ/mol; C=O 803 kJ/mol; H — O 467 kJ/mol.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion