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A container of Methane gas initialy at 70.0 atm holds a volume of 350 litres at a temp. of 30.0C. What is mass of methane in grams?
What equation do I use and how do I recognise it compared to other gas law equations and what is worked solution?
A wooden artifact from a Chinese temple has a activity of 43.3 counts per minute as compared with an activity of 58.2 counts per minute for a standard of zero age
kilimanjaro in tanzania is the tallest peak in africa 19340 ft.. on a particular day the barometric pressure at the top
what volume of 0.131 m bacl2 is required to react completely with 42.0 ml of 0.453 m na2so4? the net ionic equation for
A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.617 times that of the initial number of microstates?
Calculate the quantity of gas, in moles, if 127 L at 55.0 C has a pressure of 11.35 kPa.
Describe an electrochemical cell tthat would have the following net equation, by answering the following questions.
calculate the pH of a solution formed by mixing 65 mL of .27 M NaHCO3 with 75 mL of .12 M Na2CO3
How many grams of F2 must react with NaCl in the following reaction if 800 kJ of energy are released. 2NaCl + F2 --> 2NaF + Cl2, ΔH = -320 kJ
A solution of calcium ions contains 7 meq/250. cm3 of calcium ion. How many moles of calcium ion does this solution contain
What mass of Cu is deposited on an automobile trim piece if plating continues for 1.25 h at a current of 3.7 A
Write the half-reactions that occur in the two electrode compartments. (Type your answer using the format [Ag] for Ag and Ag for Ag. Also, the first box gets the coefficient)
For the reaction 2A + B ? C + D calculate the rate-law expression and the value of the rate constant from the following data: Initial [A] mol/liter Initial [B] mol/liter Initial rate
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