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A container has hydrogen, helium and argon gas contained within it. What is the total pressure of the gases in the container if the partial pressure of hydrogen is 3.1 atm, the partial pressure of helium is 5.6 atm, and the partial pressure of argon is 1.3 atm?
A substance "x" is heated and changes into two new substances, "y" and "z" from this information we can conclude that: Which two expressions in each of the following sets represents the same number of oxygen atoms
12.0 moles of gas are in a 8.00 L tank at 23.2 C. Calculate the difference in pressure between methane and an ideal gas under these conditions.
State balanced equation for the instauration test of cyclohexene using the half-reaction MnO4 MnO2
How much heat is required to raise the temperture of an object with a heat capacity of 3.4 j/k from 17.34 k to 67.18k?
Compare the pH of a H2CO3 buffer that contains .10 M H2CO3 and .10 M NaHCO3 with another H2cO3 buffer that contains .15 M H2CO3 and .050 M NaHCO3.
An unknown metal M reacts with sulfur to form a compound with the formula MS. If 4.37 g of M reacts with 2.51 g of S, what are the names of M and MS. (Type your answer using the format iron(II) sulfide for FeS.)
A Cu2+ solution of unknown concentration had an absorbance of 0.45. What is the molar concentration of Cu2+ in the unknown solution?
Elements in the first short period are limited by the octect rule whereas those in the higher period can expand their valence shells. Describe what this means, account for this phenomenon and give an example of each.
The zinc within a copper-plated penny will dissolve in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can get to the zinc).
There are 2.60*10^15 short tons of oxygen in the atmosphere {1short ton = 2000 lb). Explain how many metric tons of oxygen are present (1metric ton = 1000Kg).
1.925 g of methanol is burned in a bond calorimeter with a heat capacity of 10.4 kj/c .how much heat is given off in kj/g if the temperature increase 4.19 c
If the osmotic pressure of the solution is found to be 576.8 mm Hg at 29°C, the molar mass in g/mol of the protein will be (enter to 0 decimal places)
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