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An electrochemical cell is constructed with a zinc metal anode in contact with a 0.052 M solution of zinc nitrate and a silver cathode in contact with a 0.0042 M solution of silver(I) nitrate. What is the value of Q to use in the Nernst equation for this cell?
what is the value of delta G at 25 C for this reaction
A graduated cylinder contains 148 mL of water. A 11.0 g piece of iron (density = 7.86 {g/cm^3}) and a 19.0 g piece of lead are added. What is the new water level in the cylinder? Density of the lead is 11.3g/ml
undergoes a uniform negative acceleration for 1.5 s, andthen comes to rest. Whatdoes the spring scale register (a)before the elevator starts to move?
A mixture of 1 atm chlorine gas and 1 atm oxygen gas and no product undergoes this reaction. Cl2 + 2 O2 ---> 2 ClO2 What equation would be used to solve for the equilibrium concentrations
how many grams of CaCl2 should be dissolved in 500.ml of water to make a 0.20m solution of CaCl2
The decomposition of NO2 (shown below) has a KP = 4.8 × 10-6 at a certain temperature. If 1.36 atm of NO2 is placed in a flask at this temperature
For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a 4.66 M Ca(OH)2 solution.
The minimum energy required to break an oxygen-oxygen bond in ozone (O3) is 387 kJ/mole. What is the longest wavelength of light
Consider the titration of 30.0 mL of 0.048 M NH3 with 0.025 M HCl. Calculate the ph after the following volumes of titrant have been added.
Gaseous hydrogen has a density of 0.0899g/L at 0 degrees Celsius. How many liters would you need if you wanted 1.0078 g of hydrogen?
An experiment requires 43.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
A water pipe fills a container that measures 189 cm , 307 cm ,272 cm in 97 seconds, What is the rate of flow in the pipe in liters per minute.
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