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Problem- the density of diamond is 3.5g/mL and the density of graphite is 2.3g/mL. Another allotropic form of carbon is buckminsterfullerene which is composed of C60 molecules having the same symmetry as a soccer ball. In the solid state, would you expect buckminsterfullerene to be more or less dense than diamond and graphite? explain.
Please define why you think that's the right answer
Determine the time (in hours) required to recharge a Ni-Cd battery by converting 2.43 g Cd(OH)2 back to Cd using a charger that supplies 125 mA of current.
A reaction which is second order in reactant B has a rate constant of 1.1*10^-3 L/mole*sec. How long would it take it for the concentration of B to be reduced to 65% of its original value
the atomic mass of copper is 63.546 amu the masses of the isotopes of the naturally occurring isotopes of copper are
What is the value of Delta G when [H+]= 1.6×10?8 ,[CH3NH3] = 5.0×10?4 , and [CH3NH2] = 0.110 delta Go=19.1
Question- Iron is often utilized to standardize permanganate solutions. A 0.158 g sample of pure iron wire was dissolved in dilute sulfuric acid to form a solution of iron (ii) sulfate. This was titrated with 31.23 ml of potassium permanganate sol..
calculate the molecular weight of citric acid if 25.0 ml of a 0.750m sodium hydroxide solution were required to
the hydrogen gas formed in a chemical reaction is collected over water at 30 degrees celsius and a total pressure of
Use the bohr model to calculate the wavelength of the light emitted when the electron in a hydrogen atom falls from the = 5 shell to the = 3 shell
Consider the following approximate figures relating to cigarette smoking and cancer. The death rate in the US population of 270 million is 15 deaths per 1000 persons per year. One-fifth of these deaths are from cancer and one-fourth of the cancer ..
How does the answer for part (a) change if the gas of interest is He? c) What is the largest molecular mass that is capable of escaping Earth's surface at 298 K?
Citronellol or dihydrogeraniol is a naturally occurring oil. The IUPAC name for citronellol is 3,7-dimethyl-6-octen-1-ol. (+)-Citronellol, which is found in citronella oils, is the more common isomer.
Problem- Part 1) If you carry out the reaction between table salt (NaCl) and lead(II) iodide (PbI2) in 100.0mL of water, the salt lead(II) iodide will behave similarly to the salts given in the tab named Slightly Soluble Salts.
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