Given 2CuO (s)  2Cu (s) + O2 (g) ΔH = 314.6 kJ. Determine the heat of formation of CuO (s).

If a reaction has g of -136kj at 110°c, will it be spontaneous at this temperature (110°c)? yes or no

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius