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Explain the center-to-center separation of two atoms in pure Ti is 2.94 A (the A has a circle above it... what is that?). Explain the thermal expansion coefficient of Ti metal is 9 x 10^-6 *C^-1. Explain what percent increase in atomic separation is realized in going from 25*C to625*C?
Explain there is not sort of example problem for this or formula that I'm aware of using maybe Columbic Force or x sub e - x sub o / xsub o = alpha sub th (T - T sub o) that pertains to temperature. I have no idea where to begin.
a 31.0-g sample of water at 290. k is mixed with 48.0 g water at 340. k. calculate the final temperature of the mixture
The reaction of 2.5g of Al with 2.5g oxygen (actually) produces 3.5g of Al oxide. Calculate the % yield of aluminium oxide.
write chemical equations which show what happens when carbondioxide is absorbed by sodium hydroxide and when barium
Calculate the pH at each of the following points in the titration of 50 mL of 0.2000M acetic acid using 0.222M NaOH. Ka= 1.8 x 10^-5 (show work)
An automobile gasoline tank holds 21kg of gasoline,when the gasoline burns, 84kg of oxygen is consumed, and carbon dioxide and water is produced. What is the total combined mass of carbon dioxide and water?
When backpacking in the wilderness, hikers often boil water to sterilize it for drinking. Suppose that you are planning a backpacking trip and will need to boil 40 of water for your group
Put in order the following molecules in terms of the Permeability of the molecule across a membrane by simple diffusion at pH 7.
What mass of the hydrate could be recovered from the solution? When separated from a H 2 O solution, copper sulphate forms a hydrate with 5
what is the change in ph after addition of 10.0 ml of 1.0 sodium hydroxide to 90.0 ml of a 1.0 m nh31.0 m nh4 buffer?
What is the volume occupied by 25.0 gm of Ar (g) at a temperature of 301K and pressure of 1.30atm.
If the sunlight consists of photons with an average wavelength of 510.0 nm, how many photons strike a 3.20 cm2 area per second?
What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with a pH of 2.50?
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