How many moles of sodium are represented
In the formula sodium phosphate (Na3PO4) how many moles of sodium are represented? How many moles of phosphorus? How many moles of oxygen?
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Calculate the volume of the sample after the reaction takes place, assuming that the temperature and the pressure remain constant.
Once the liquid nitrogen is evaporated, in time, the balloon re-inflates. Use kinetic theory to explain this sequence of events. The temperature of liquid nitrogen is -196 degrees celsius.
What mass (in grams) of steam at 100°C must be mixed with 387 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 26.0°C?
Calculate the pH of a buffer made with 0.50M phosphoric acid and 0.75M sodium dihydrogen phosphate. Ka = 7.5 x 10^-3
Assume a future where security countermeasures against DoS attacks are much more widely implemented than at present. In this future network, antispoofing and directed broadcast filters are widely deployed.
What is the final temperature of the water after the preceding reaction occurs? Assume that all the heat is used to raise the temperature of the water.
A railway wagon weighing 40 KN and moving with a speed of 8 km/h is stopped by a buffer of 4 springs whose allowable maximum compression is 150 mm.
What are the partial pressures of CCl4 and Cl2 at equilibrium?
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