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Nitrogen dioxide reacts with water to produce oxygen and ammonia; 4NO2(g)+6H2O(g)-->7O2(g)+4NH3(g). At a temperature of 415 degrees C and a pressure of 725 mmHg, how many grams of NH3 can be produced when 4.00 L of NO2 reacts
A solution of acetic acid, HC2H3O2, on a laboratory shelf was of undetermined concentration. If the pH of the solution was found to be 2.39, what was the original concentration of the acetic acid? ___M
a separatory funnel is used in this method of separating liquids . f. liquid is allowed to evaporate, leaving the solid behind c. element
The half-lives of different radioisotopes are given in the table below. If the initial amount of indium-117 is 8.4 g, how much indium-117 is left in the body after 86 minutes?
From the Bohr model of the hydrogen atom, what can we conclude about the energy required to excite an electron
A weather balloon at Earth's surface has a volume of 4 L at 285 K and 791 mmHg. If the balloon is released and the volume reaches 4.19 L at 711 mmHg.
An experiment shows that a 112-mL gas sample has a mass of 0.120 g at a pressure of 733 mmHg and a temperature of 33.0°C.
What type of chemical reaction is the following?
What is the pressure in the tank in atmpshere at a temp. of 33 degrees celcius after the CO2 (r) has been coverted to gas?
What mass of sucrose should be combined with 488 of water to make a solution with an osmotic pressure of 8.25 at 280.
Why is molality used in the equations describing freezing-point depression and boiling-point elevation? Explain in detail and explain the reason why molarity is nto used.
What is the alkalinity of the river, What concentration of acid, for example, HCl, would result in a pH of 7.5
Determine q for the acid-base reaction, assuming that the liquids have densities of 1.00 g/mL and the same heat capacities as pure water.
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