How many grams of the base were added to make this solution
An amount of solid Ba(OH)2 is dissolved inwater to make a final solution of 1520 mL. If the pH of this solution is found to be 12.11, how many grams of the base were added to make this solution ?
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The period of the orbit is two hours. The radius of the planet is 4.25 106 m. What is the true weight of the satellite when it is at rest on the planet's surface?
The mean salary of all female workers is $35,000. The mean salary of all male workers is $41,000. What must be ture about the mean salary of all workers?
Copper crystallizes in a face-centered cubic lattice (the Cuatoms are at the lattice points only). If the density of the metalis 8.96 g/cm3, what is the unit cell edge length in pm?
You pull the cars with a force F = 2 N. If friction can be neglected, what are the tensions in the two ropes A (connecting M1 and M2) and B (connecting M2 and M3)?
Suppose that 0.88g of water condenses on a 75.0 g block of iron that is initially at 22 degrees C. If the heat released during condensation goes only to warming the iron block, what is the final temperature (in degrees C) of the iron block?
If the two masses start from rest, and the left mass is twice as massive as the right, (Mleft = 2 * Mright), what is the acceleration of the left mass when they are released?
The entropy of the cooling liquid increases during the process by 5.9 kJ/K per kg of steam. a. Is the process reversible of irreversible? b. What is the temperature of the cooling liquid?
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