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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.
On a particular day, the barometric pressure at the top of the mountain was 334 torr. On that day, at what Celsius temperature did water boil on the top of the mountain
A buffer is composed of 0.400 mol H2PO4 and 0.400 mol HPO4 diluted with water to a volume of 1.0 L. The pH of the buffer is 7.210. How many moles of HCL must be added to decrease the pH to 6.210? The answer is .327 mol. Can you please explain how ..
Treatment of an aldehyde or ketones with hydrazine, H2NNH2, yields an azine, R2C=N-N=CR2. Propose a mechanism
On the basis of your knowledge of bonding in liquids and solids, arrange the following substances in order of highest to lowest melting temperature: NaCl, Na, Cl2, SiO2.
consider the reaction shown below.4 ph3g p4g 6 h2gif in a certain experiment over a specific time period 0.0033 mol
classify the reactions below as synthesis, decomposition, single replacement(cationic or anionic) or double replacement
The enthalpy of activation of a first order reaction is 123kj/mol. The rate constant at 80 C is 1.73x10^-2 s^-1. What is the rate constant at 35 C. (R=8.31 j/mol K)
calculate the molar mass of an unknown compound based on the following data. a mixture containing 1.11g of the unknown
Without consulting entropy tables, predict the sign of Delta S for the following process and choose the correct reasoning for your prediction: N2(g, 10 atm) ----> N2(g, 1 atm). The mass of N2 remains constant.
Why is it quantitatively not acceptable to titrate each vinegar samples with NaOH titrant to the same dark pink endpoint
The normal melting point of benzene is 5.5 degrees Celsius . For the process of freezing, what is the sign for each of the following
Given that a 2.00 molar aqueous solution of ammonium phosphate has a density of 1.09 g/mL. Calculate molal and mass percent pf ammonium phosphate in solution.
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