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What is the maximum number of phases that can be in mutual equilibrium in a four-component system?
If He(g) has an average kinetic energy of 4610 J/mol under certain conditions, what is the root mean square speed
In a combustion process in which a specified percentage of excess air is used, and in which CO is one of the products of combustion, will the analysis of the resulting exit gases contain more or less oxygen than if all the carbon had burned to CO2
an undergraduate researcher in a biology lab produced a buffer solution by dissolving sodium dihydrogen phosphate (Ka = 6.2 × 10-8) and sodium hydrogen phosphate (Ka = 3.6 × 10-13) together in an aqueous solution. What mole ratio of Na2HPO4/NaH2PO..
The daily energy requirement for an active adult human is around 2500 calories per day. A nutritional calorie is equal to 4.2 kJ of energy. If each ATP contains -30 kJ/mol under standard conditions, how many molecules of ATP does the body require ..
A gas weighing 33.62 g occupies a 10.00 liter flask at 27oc and 730 torr of pressure. what is the molar mass of the gas?
A piece of sodium metal reacts completely with water as follows. 2 Na(s) + 2 H2O(l) 2 NaOH(aq) + H2(g) The hydrogen gas generated is collected over water
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy
Without including them in the electronic configuration, please say how many valence electrons are in Mo2+, Pb2+, Cr3+ and Ag+. just a bit confuse with what shells are the outer ones
Tell me how to write the electronic configuration based on spdf method or block method and how to make the lewis dot structure of big compounds like N2O5, and then HNO3 and then. CaCo3
A monoprotic acid donates a single proton. If you dissolve two aspirin tablets in a 300 m glass of water, what is the pH of the solution
1.2 mole of a monoatomic ideal gas that occupies a volume of 13L at 248K spontaneously and isothermically expands until its voulme is doubled.
If 24.60 mL of a standard 0.3871 M NaOH solution is required to neutralize 43.87 mL of H2SO4, what is the molarity of the acid solution?
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