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Suppose a mixture of helium and neon gases is collected over water at 28.0°C and 745 mmHg. Explain if the partial pres- sure of helium is 368 mmHg, Explain what is the partial pres- sure of neon and vapor pressure of water at 28°C 5 28.3 mmHg.
The volume of ice has been estimeted to be 2.85 x 10^6 km^2. The density of ice is 918 kg/m^3. The radius of the earth is 6378.16 km. If the oceans represent 70.8% of the earths surface, calculate the increase in ocean depth that will result from ..
Thomas Jefferson Snodgrass (Jeff1 found an unlabelled reagent bottle in his -80 oC freezer. The bottle contained a liquid. He found that the compound (compound I) quickiy evaporated when warmed to room temperature. 'H-NMR of the compound showed. o..
A 0.300 M solution of an acid, HZ, has a pH = 1.301. What is the value of the ionization constant, Ka, for this acid?
write the expression for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.
a student mixed 75.0 ml of water containing .75 mol hcl with 75.0 ml of water containing .75 mol of naoh at 25c in a
A compound was analyzed and found to contain 40.00% carbon, 6.72% hydrogren, and 53.25% oxygen with a molar mass of 180.0 grams.
Reaction of 1-methylcyclopentene with HBr might, in principle, lead to a mixture of two alkyl bromide addition products. Draw these two alkyl bromides.
Identify each of the atom which has the following electron configuartions (a) 1s2-2s2-2p6-3s2-3p1 (b) 1s2-2s2-2p6-3s2-3p5 (c) 1s2-2s2-2p6-3s2-3p6-4s2 (d) which of the three has the largest ionization energy Ei1 (e) which of the three has the elect..
What are 2 technological applications of Entropy, free energy and equilibrium. and explain
Florine is so reactive that it forms compound with material insert to other treatment when 0.448gm of plantinum is heated in florine, 0.71gm of dark red, volatile solid forms. What is emperical formula
If 158 of wet hydrogen is collected over water at 24 and a barometric pressure of 736 , how many grams of hydrogen have been consumed.
53.0 ml of 1.50 m solution is diluted to a volume of 268 ml. . determine the final concentration if a 134 ml portion of
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