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The structure of olivine [M2SiO4(whare M=Mg,Fe)] can be viewed as a ccp arrangment of oxide ions with Si(IV) in tetrahedral goles and the metal ions in octahedral holes
Express all fractions as decimal numbers
What fraction of the tetrahedral holes is occupied?
What fraction of the octahedral holes is occupied?
write the structural formulas for the two 2 chloro-isomers that can be formed from 2-methylpropane(isobutane)
the equilibrium partial pressure for the reaction 2NO2(g)--> N2O4(g) are 0.0686 atm for NO2(g) and 1.250 atm for N2O4(g).
the specific heat of ethylene glycol is 2.42 j/k-g. How many j of heat are needed to raise the temperature of 62.0 g of ethylene glycol from 13.1°c to 40.5°c?
A system expands in volume from 2.0 L to 24.5 L at constant temperature. Calculate the work (w) if the expansion occurs against a constant pressure of 5.00 atm.
Complete the following table with the correct formulas from the ions
A 1.00 g sample of an unknown acid required 17.0 mL of .650 M NaOH to neutralize. What is the molar mass of the unknown acid?
solution of water (K_f}=1.86 C/m) and glucose freezes at - 2.35 C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 C.
An unknown compound contains carbon, hydrogen, oxygen, and sulfur atoms. When a 10.00 mg sample of the unknown compound was combusted, it produced 16.27 mg of CO2, 5.55 mg of water, and 7.90 mg of SO2.
A cook wants to heat 1.89 kg of water from 31.0 C to 100.0 C If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn? Natural gas produces 49.3 kJ of heat per gram. (For the sake ..
If 25.00 mL of 0.07976 M benzoic acid is neutralized by 26.48 mL 0.07530 M NaOH, calculate the quantities of benzoic acid and NaOH you would need to prepare the volume of 1:1 buffer.
A copper refinery produces a copper ingot weighing 75 kg. the density of the copper is 8.94 g/cm^3. if the copper is drawn into a wire whose dimeter is 8.250mm
How is the equilibrium yield of C6H12O6 affected by each of the following? 6 CO2(g) + 6 H2O(l) + HEAT C6H12O6(s) + 6 O2(g) (a) increasing PCO2 increases decreases no effect
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