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Find out the molar mass of each of the given gases 1) 2.16 grams of a gas that occupies 1.38L at 665 mmHg and 25 degree C, 2) 0.723 grams of a gas that occupies 825 mL at 1.00 atm and 18 degree C, 3) 11.7 grams of a gas that occupies 1.90 L at STP.
What might one do to verify that the global strain-energy minimum has been identified
a) what is the ratio of conjugate base to conjugate acid after 100 ml of 1M HA is adjusted to a pH of 8? b) under the conditions in part a, how many moles of HA are present? How many moles of A- are present? c) What is the pH of the solution descr..
Putting together titration lab to determine concentrations of calcium phosphate, citric & ascorbic acid
Calculate the concentration of ions in the following saturated solutions. Al3+] in Al(OH)3 solution with [OH -] = 2.6 10-9 M
The final temperature of the water and iron was 48.4oC. Assuming that the calorimeter itself absorbs a negligible amount of heat, what was the mass
Describe the expected results of the following tests or reagents on the sphingolipid N-palmitoyl-D-sphingomyelin
How many grams of C are combined with 2.91 x 1023 atoms of H in the compound C5H10?
the piston of an internal combustion engine compresses 434 ml of gas. the final pressure is 15 times greater than the
Find the equilibrium constant for the reaction- A(g) + B(g)--> 2C(g) at 25C when k equals 1.4 x 10^-12 M^-1S^-1 for the reaction A(g) + B(g)-->2C(g) at 25C and k equals 2.7 x 10^-13 M^-1S^-1 for the reaction: 2C(g)-->A(g) + B(g) at 25C.
an 85.0-ml aqueous solution contains 7.54 g iron ii chloride fecl2calculate molarity of the solution.what is the mass
A camping lantern uses the reaction of calcium carbide, CaC2 (s) , and water to produce acetylene gas C2H2 (g) , and calcium hydroxide, Ca(OH)2 (s) . How many grams of water are required to produce 1.55 moles of acetylene gas
Draw a flame ionization detector FID using the following parts: column, flame, hydrogen, air, electrode, current meter
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