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Anti 3-4 dibromohexane structure? There are 0.0970 moles of nickel in a sample of Ni(CO)4. How many moles of carbon are in the sample? Calculate the total resistance of a parallel circuit that has three lighbulbs that offer the following resistance: 17 ohms, 42 ohms, 90 ohms? A heating element requires 220 volts. Its heat resistance is 6 ohms. What power does the heater require? 1. Find the area of the triangle?