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Silicon carbide, SiC, has the three-dimensional structure shown in the figure.
(a) Name another compound that has the same structure.
(b) Would you expect the bonding in SiC to be predominantly ionic, metallic, or covalent?
(c) How do the bonding and structure of SiC lead to its high thermal stability (to 2700 °C) and exceptional hardness?
A single pulse of a laser yields an average of 5.00 × 1018 photons with λ = 633 nm. If melting ice to water at 0°C requires 6.01 kJ/mol, what is the fewest number of laser pulses need to melt 10.0g of ice?
Compound A, C8H10, absorbed 3 equivalents of H2 on catalytic hydrogenation over a Pd/C catalyst to give B (C8H16). On ozonolysis, compound A gave, among other things, a ketone which was identified as cyclopentanone.
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable ?rst approximation.) The combustion of carbon is described by the equation
Density of aluminum is 2.7 g/cm^3 or 2.7 g/ml.How heavy (in grams) would be the coke can be instead of soda it would be filled in with aluminum. volume of a soda can is 303 ml
a mass of 48.5 g of a certain substance can be dissolved in 29.1 cm3 of water at 20 degree celius. calculate the
The purpose of this lab is to form copper oxide by using two methods. These two methods will allow us to determine the ratio of copper to oxygen in the compound and also determine its empirical formula.
A container filled with 3.47 kg of water underwent a temperature change from 23.20 oC to 28.42 oC. How much heat, measured in kilojoules, did the water absorb
What is the heat of reaction for 1 kg of the mixture calculated using heat of combustion data for a fuel comprised of 10% ethanol and the rest octane? How much is the heat of reaction reduced by adding the 10% ethanol to the octane
The synthesis of zinc iodide was performed utilizing 2.3012 g of zinc and 1.0698 g of iodine. Find out the limiting reactant and calculate the theoretical yield of zinc iodide in grams.
a laboratory analysis showed the following resultsnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp cec 20
State mathematical equation that show how you will compute the detected activity from the count rate the sample KCl
Write the balanced complete ionic equations and net ionic equations for the reactions that occur when each of the following solutions are mixed. AgNO3(aq) and K2SO4(aq)
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