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Problem- A quantity of CO gas occupies a volume of 0.64L at 1.0atm and 323K. The pressure of the gas is lowered and its temperature is raised until its volume is 4.6L. Find the density of CO under the new condition
Please assists me to understand How to do fix this?
16.57 The complex [Ni(NH3)6]2+ has a ligand field splitting of 209 kJ·mol-1 and forms a purple solution. What is the wavelength and color of the absorbed light.
a sealed balloon is filled with 1.40 l of helium at 23degc and 1.00 atm. the balloon rises to a point in the atmosphere
calculate the ph of a buffer made with 0.50m phosphoric acid and 0.75m sodium dihydrogenphosphate. ka 7.5 x
Problem- If the pH of a 1.00-in. rainfall over 1800miles2 is 3.60, how many kilograms of sulfuric acid, H2SO4, are present, assuming that it is the only acid contributing to the pH? For sulfuric acid, Ka1 is very large and Ka2 is 0.012.
unknown concentration of the weak base ammonia are standardized. 50.0 mL of the basic solution are titrated with 0.200 M HCl. The end point occurs after 38.8 mL of acid are added. What is the concentration of ammonia in the 2 L flask?
the hydrated radius of hemoglobin is found to be 3.55 nm. How many water molecules hydrate a hemoglobin molecule?
A mercury nanometer contains 2 g of Ar. A burner heats it to P-ext. at 760 torr. What is the Temperature of the gas in the bulb when the total volume is 3 L and H=76mm?
Please explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M Na3PO4 .1 M NiF2 .2 M Rb2CO3 0.01 M Sr(OH)2 and .03 M ScBr3.
Mechanism for bromobenzene + magnesium turnings + annhydrous diethyl ether + methyl benzoate + H2SO4 --> triphenylmethanol
Question- In a discharge spectrum, Li displayed two lines 0.7nm apart. What wavelength of light would promote an electron to the higher excited state
Do colligative properties depend on the number of particles dissolved, the identity of the particles dissolved or both. Why.
Derive the activation energy for the reaction that has a rate constant of 3.5 x 10^-5 s-1 at 25C and the rate constant of 4.8 x 10^-4 s-1 at 45C.
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