Calculate change in enthalpy for the following reactions
Calculate change in enthalpy for the following reactions:4 Na + O2 yields 2Na2O2Na + 2H2O yields 2NaOH + H22Na CO2 yields Na2O + CO
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Write and balance the double replacement reaction of sodium hydroxide and oxalic acid(H2C2O4). How many moles of base are needed to neutralize one mole of acid? (H2C2O4 <=> 2H^+ + C2O4^2-)
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A physics student stands on a bathroom scale in an elevator which is not moving. The scale reads 620 N. The elevator then accelerates downward at 1.36 m/s2. What does the scale read during this acceleration?
Calculate change in enthalpy for the following reactions:
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