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Making utilize of the vapor pressures as a function of temperature as well as of the saturated-liquid and saturated-vapor volumes compute the latent heat of vaporization by Eq. (4.11), (delta) H=T*(delta) V*dP(sat)/dT , at 20°F, 60°F, and 100°F.
the diameter of a helium atom is about 1102pm.supposethat we could line up helium atoms side by side in contact with
a sample of 1.5 grams of unknown alkali metal carbonate that was dissolved in h2o and 31.10ml of 0.350m cacl2 was
When heated, all metallic hypochlorites decompose and produce oxygen. Considering this, what happens when the decomposition reaction occurs at an incident involving fire? Please reference your answer and tell me why.
Calculate the degree of dissociation by A) assuming ideal behavior and B) using a mean activity coefficient y=0.93. The concentration of the acid is 0.010 M.
in a coffee-cup calorimeter 1.80 g of nh4no3 is mixed with 75.0 g of water at an initial temperature of 25.00degc.
1. if a chemical cold pack weighing 28grams and at a temperature of -2c was left in a 25c room for 3 days what would be
Pick and element or compound and state how many grams of that substance are needed to have a mole of that substance.
A 15.00 mL sample of a 0.100 M solution of lead(II) nitrate is reacted with 10.00 mL of 0.170 M sodium chloride. How many grams of lead(II)
Which of the following substances, when dissolved in water, uses ion-dipole forces as the principal type of intermolecular attraction with water molecules. A) CH4 B) CH3OH C) CO2 D) KCl E) C6H6
Joseph Priestley prepared oxygen by heating mercury(II) oxide. The compound HgO is stable at room temperature but decomposes into its elements (Hg and O2) at high temperatures. What conclusions can be drawn concerning DH and DS for this decomposit..
lithium is the least dense metal known (density: 0.53 g/cm^3) what is the volume occupied by 8.00 x10^3g of lithium.
An unopened soda can has an aqueous CO2 concentration of 0.0506 m at 20 celcius. What is the pressure of CO2 gas in the can
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