Determine the empirical formula for the substance
A 1.502 gram sample of a compound of aluminum and sulfur is known to contain exactly 0.540 grams of aluminum. Determine the empirical formula for the substance.
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The rate of decomposition of C3H6 in the following reaction is 0.45 M/s. Calculate the rate of production of H2O.
Cadmium(II) forms a soluble 1:4 complex with bromide ions with Kf = 5.0·10^3. Calculate the emf generated by the cell.
Your goal is to determine whether the rocket hits the other building. If it falls short or goes over, determine where it lands. If it hits the building, determine the height of the impact.
diamond crystals have a=0.3560nm and z=8. Using 3.51 g/cm3 as the density of diamond, calculate the value of avogadro's number.
A driver in a car traveling at a speed of 78 km/h sees a cat 101m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 99m?
A certain solid metallic element has a density 7.87 g/cm3 and a molar mass of 55.85 g/mol. It crystallizes with a cubic unit cell, with an edge length of 286.7 pm. calculate the number of atoms per unit cell.
Find the mass of a projectile when fired at 275 m/s if it is to have the same momentum as a 145 g projectile that is fired at 325 m/s
One cart of mass 15kg is moving 5 m/s to the right on a frictionless track and collides with a cart of mass 3kg. The final velocity of the carts that become stuck together after the collision is 1.5 m/s to the right. Find the velocity of the secon
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