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A pebble is thrown downward from a 62.0-m-high cliff with an initial speed of 7.20 m/s. How long does it take the pebble to reach the ground?
Suppose you want to cook pasta in boiling, salty water. What is effect of salt (NaCl) addition to water on the boiling point temperature of the resulting solution?
The temperature of the water was 22 Celsius and thebarometric pressure was 735.8 mm Hg. What is the vapor pressure of the water? What is the pressureof dry hydrogen gas?
What is the adipic acid production from cyclohexanol and cyclohexanone reaction by products
What is the heat absorbed if 2.118g of sodium chloride is dissolved in water? NaCl + H2O + 3.88kj ----> Na+ + Cl-
Use the tabulated half-cell potentials to calculate delta G for the following balanced redox reaction. Pb2+(aq) + Cu(s) --> Pb(s) + Cu2+(aq)
Explain How to know if an isomer is NOT super imposable to its mirrorimage. Explain how to know the coordination number just by looking at its metal ion? is this possible at all
How many grams of ammonium sulfate are needed to make 0.3500 L solution at a concentration of 5.000M.
Define a 100ml sample of water is taken from the Pacific Ocean, as well as the water is allowed to evaporate. The salts that remain mostly NaCl have a mass of 3.85g. Compute the original concentration of NaCl in g per liter in the water sample.
What are he difference between sigma and Pi bonds, and how are they used?
Determine hydroxyl and hydrogen ion concentration in this solution. (if Ka for ammonium ion = 5.0 x 10^-10.)
69.0 mL of a 1.30 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 151 mL of water. What is the final concentration
We performed this lab, but I'm having trouble taking the data collected and calculating the total concentration of both Ca2+ and Mg2+, along with the individual concentration of each.
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