What volume of oxygen at STP will be produced if the following reaction absorbed 275 kJ of heat?

Chromium(iii) sulfate is a transition metal compound containing the metal chromium and the polyatomic ion sulfate. the oxidation state of chromium in this compound is , and the chemical formula of the compound is ( ) . reset next

Give one example of a pure (exact) number and of an estimated (measured) number.

What’s the physical properties in calcium chloride