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Monel metal is a corrosion-resistant copper-nickel alloy used in the electronics industry. A particular alloy with a density of 8.80 g/cm3 and containing 0.082% Si by mass is used to make a rectangular plate that is 15.0 cm long, 12.5 cm wide, and 3.50mm thick and has a 2.50-cm-diameter hole drilled through its center such that the height of the hole is 3.50mm .
The silicon in the plate is a mixture of naturally occurring isotopes. One of the those isotopes is silicon-30, which has an atomic mass of 29.97376 amu and a percent natural abundance of 3.10%.
What is the Volume of the Plate?
Elemental analysis of putrescine (The rotten smell of a decaying animal carcass is partially due to a nitrogen-contained compounded) showed
A 47.5 g sample of metal was heated to 100 degrees C and then poured into 100 g of water at 24.0 degrees C. The temperature of the resulting mixture was 28.0 degrees C.
the equilibrium constant for the reaction at 900 degrees Celsius is .082. a reaction is intiated with only cocl2 in a 2.0-L vessel. at equilibrium 2.36*10^-3 mol is present. how many moles of cocl2 were present initially?
How much heat (in kJ}) is evolved in converting 1.00 mol} of steam at 160.0C to ice at -55.0C? The heat capacity of steam is 2.01 {J/gC}} and of ice is 2.09 J/gC}.
What wavelength of light would you report in units of nm, if the light had a wavelength of 7.60 x 10-10 m?
2 NO(g) + O2(g) 2 NO2(g) In one experiment 0.633 mole of NO is mixed with 0.354 mole of O2. Calculate also the number of moles of NO2 produced.
in a laboratory, 6.82 g of Sr(NO3)2 is dissolved in enough water to form 0.500 L of solution. A0.100-L sample is 0.0245 M solution of Na2CrO4.
If 16.87 grams of nitric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP?
The flask was then shaken until the solution was uniform. A 55.0-mL sample of this glucose solution was diluted to 0.500L . How many grams of glucose are in 100mL of the final solution?
The radius of a xenon atom is 1.3\times 10^-8 cm. A 100mL flask is filled with Xe at a pressure of 1.5atm and a temperature of 254K
Liquid-in-glass thermometer are of two types:mercury in glass and alcohol plus red dye in glass. the dependence of volume on temperature of mercury and alcohol.
How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees celcius to H2O at the temperature of 25.0 degrees celcius? Express your answers in kilojoules
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