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Let's say we have a mixture of 2 gases of known origin and of known amounts. How can we calculate the partial pressure of each gas knowing the total pressure? There is another formula in Dalton's law (proposed after his initial discovery) that allows to calculate that. Could you talk more about it?
.What is percentage purity of H2O2?
give full mechanism: show the reaction of ethyl propionate with sodium ethoxide followed by cold aqueous acid work up
A sealed vessel contains air at STP. It is heated to bring the air to a temperature of 80 °C. What will be the ratio of the mean free path of the air molecules at 80 °C to their mean free path at STP?
After using the Hoffman Apparatus to collect samples of hydrogen gas and oxygen gas, the test for each was performed (flaming splint for hydrogen and glowing splint for oxygen.
A solid metal sphere has a radius of 3.62cm and a mass of 1.703kg. What is the density of the metal in g/cm3? (The volume of sphere is V=43?r3.)
What happens when the base solution was added to the acid solution but was not stirred while temperature measurements were made
If you were to precipitate lead, which of the 4 ions would you add and why; OH, CO3, S, SO4
Consider the reversible reaction: 2NO2(g)?N2O4(g)^-1 If the concentrations of both NO2 and N2O4 are 0.016 mol • L , what is the value of Qc? The answer is supposed to be 63 but how and why?
On scrap paper, draw the lewis dot structure for Te. How many total paired electrons, unpaired electrons and empty orbitals does this element contain, in this order?
How many molecules would be contained in each of the following at the same temperature and pressure. A.) 5.0 L hydrogen
What quality of heat energy, in J, is required to raise the temperature of 454g of tin from room temperature, 25.0C to its melting point, 231.9C, and then melt the tin at that temperature
The following table lists molar concentrations of several ions in seawater. Using a density of 1.022 g/mL for seawater
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