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Discover Questions

Why is the derivative of x/n 1/n? Why are numbers divided into 10 digits... why isn’t there an “11th” digit with only 1 digit for representation, not 2? Water is added to 75.0 mL of a 0.906 M KNO3 solution until the volume of the solution is exactly 250 mL. What is the final concentration? How much pressure is required to cut skin with a scalpel? Combustion of C2H4O2(l) has a ΔHrxn value of –786.3 kJ.What is the enthalpy change when 197 g of H2O(g) is produced?