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Empirical gas laws
Suppose you has a 4.10-L sample of neon gas at 21oC and a pressure of 0.959 atm. What would be the volume of this gas if the pressure were increased to 1.210 atm while the temperature remained constant?
Write a balanced chemical equation for the formation of CH3OH (l) from the elements in their standard states.
How many grams of sodium acetate do you need to dissolve in 1.00L of 1.00M acetic acid to produce a buffer with a pH of 4.59
How many moles of NH4NO2 would be required to form 25 grams of N2 in the following reaction
Choose the answer in which the oxide with the formula given is correctly characterized as ionic or molecular.
The Henry's Law constant (k) for carbon monoxide in water at 25ºC is 9.71 x 10-4 mol/(L•atm). How many grams of CO will dissolve in 1.00 L of water if the partial pressure of CO is 2.75 atm?
How many moles of a gas fill a flask with a volume of 146 mL at 101Celsius and a pressure of 754 torr
Complete combustion of a 0.360g sample of glucose produced 0.528g carbon dioxide and 0.216g of water. Find the empirical formula for glucose.
What is the value of the rate constant for the reaction? How much time will take the consentration to drop to one tenth of its initial value?
Explain how to purify a product using each of the 3 different techniques, elaborate on what these techniques achieve at the molecular level.
A 1g sample of carbon obtain from material found in a ancient site gave 7900 carbon-14 disentegrations in a 20-hour period. In the same amount of time 1g of carbon from a source found yesterday under went 18,400 disintegrations.
Determine value for the rate of formation of HCl during the same interval of 3 seconds If the rate of disappearance H2 = -0.13 M/s at this specific time?
If the internal ph of muscle cell is 6.80, what is the HPO4^2-/H2PO4^- ratio in this cell. the values are pk1=2.12, pk2=7.21, and pk3=12.32 for phosphoric acid, h3po4.
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