How many grams of the excess reactant are left over
How many grams of the excess reactant are left over according to the reaction below given that you start with 10.0 g of Al and 19.0 grams of O2? Reaction: 4Al + 3O2 → 2Al2O3 *
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Three equal point charges, each with charge 1.35 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.600 m. What is the electric potential energy U of the system?
A rectangular block of ice 11 m on each side and 1.8 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. a) How high does the top of the ice block float above the water level?
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As an American, do you recognize the success of the European Union? Do you see it as a potential threat to American dominance in world politics? Why? Why not? Are you prepared to give up your dollars for Euros?
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Explain what the "big five' personality traits are (neuroticism, extroversion, openness to experience, agreeableness, conscientiousness,) which characteristics are likely to change from early to middle adulthood, and which characteristics are likely
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Due to friction with the air, an airplane has acquired a net charge of 1.70 10-5 C. The plane moves with a speed of 2.90 102 m/s at an angle θ with respect to the earth's magnetic field, the magnitude of which is 5.00 10-5 T. The magnetic fo
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