Determining the mass of the meter stick
A meter stick is found to balance the 49.7 cm mark if positioned on the fulcrum. If a 45.0 gram mass is joined at the 9.0 cm mark, the fulcrum should be moved to the 39.2 cm mark for balance. Determine the mass of the meter stick?
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Determine the electron configuration for the Ni2+ ion and the Sn2+ion? Determine the numbers of unpaired electrons does each have? How do you know?
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Determine the activity coefficients for both species in a solution that is a) 0.040 M in FeSO4; b) 0.20 M in (NH4)2CrO4; c) 0.10M in FeCl3 and 0.20M in FeCl2; d) 0.10 M NaCl.
One coin is fair coin and one coin is a biased coin (unfair) with only a 39% chance of getting a head. Supposing equally likely probability of picking either coin, determine the probability that the fair coin is the one chosen, given that the sele
Particle 1 having mass m1 and a velocity of v1 strikes Particle 2 which consist of a mass m2 and is at rest. The collisions are inelastic and stick altogether. Determine the final velocity of the new particle when:
Limestone (CaCO3) is used to remove acidic pollutants from the smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite.
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