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Chemistry, General Chemistry
Year 4
Determining the factors in freezing temperatures.
Are the freezing temperatures of 1.00M solutions of NaCl in water and FeCl3 in water the same or different? Why or why not?
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Determining the absence of the organic compound C3H10. - Why is there no organic compound with the formula C3H10?
organic compound with the formula C3H10 - Why is there no organic compound with the formula C3H10?
Determining the number of grams required by a reactant to produce a set number of grams of the product. - 1. Oxygen gas can be prepared in a Laboratory by the reaction:
2KClO3(s) → 2KCl(s) + 3O2(g)
How many grams of KClO3 must be reacted to produce 100g of O2?
Spontaneous reaction question in regards to dispersal of matter. - Considering the Reaction: 2H2O(l) → 2H2(g) + O2 (g)
This reaction has a dispersal of matter since a liquid produces two gases, yet the reaction is not spontaneous. Why is this so?
Converting grams to kilojoules. - Burning 2.00g of propane, C3H8, produces 99.78 kJ of energy. How much energy is produced when one mole of the propane burns?
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