Grade Boundary Prediction for an A (Edexcel Unit 1 Chemistry)
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Original post by bex7374
What mass (around) did you get for the magnsium oxide one? It was the enthalpy question with the Hess cycle. The question towards the end of that section asked you to find out the mass of MgO needed to raise the temp by 50 degrees in 250cm.
Anyone remember what they put?
Anyone remember what they put?
7.446g
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