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You have a piece of metal alloy that weighs 160.417 g. Its volume is 23.51 cm^3. The metal is an alloy (mixture) of nickel and aluminum, which have densities of 8.908 g/cm^3 and 2.70 g/cm^3, respectively. Assume there is no change in the relative volume of the individual metals as they are mixed to form the alloy. Calculate the mass percentage of nickel and aluminum in the alloy as well as the alloy's density.
when 56.6 g of calcium and 30.5 g of nitrogen gas undergo a reaction that has a 93.0% yield, what mass (g) of calcium nitride forms.
CO2 + H2 --> CO + H2O (all are gaseous) At equilibrium the container is found to contain 0.0883 M CO2. What is the equilibrium constant, Kc, for the reaction
How much energy is released during the complete combustion of 372 grams of cyclohexane ?
A gaseous mixture of NO2 and N2O4 is in equilibrium. If the concentration of NO2 is 8.1*10-4 M what is the concentration of N2O4
Consider a tire at 35 Celcius filled with 32 psig of O2 instead of N2. Calculate the pressure in the tire at -18 celcius
Separation of a standard solution containing 207 mg of pentanol and 233 mg of 2,3-dimethyl-2-butanol in 10.0 mL of solution led to a pentanol:2,3-dimethyl-2-butanol relative peak area ratio of 0.920:1.00. Calculate the response factor, F, for 2,3-..
Zinc metal can be obtained from zinc oxide (ZnO) by reacting the oxide with the element carbon. The products of the reaction are Zn and CO2.
A patient's thyroid gland is to be exposed to an average of 5.5 microcuries for 16 days as an ingested sample of iodine-131 decays. If the energy of the beta radiation is 9.7 x 10^-14 J and the mass of the thyroid is 32.0 g, what is the dose recie..
If 2-methyl-2-butene is the only product formed, what is the Theoretical yield in mL? I have 12mL of 2-methyl-2-butonaol is the starting material reacting with H2SO4 which I have 20 mL of.
At what temperature does the average speed of an oxegen molecule equal that of an airplane moving at 580 mph? Im confused on the setup.
The addition of S2- ion to Fe(OH)2(s) results in the formation of FeS(s). Explain why the addition of S2- ion to Cr(OH)3(s) does not result in the formation of Cr2S3(s).
At a particular temperature, K 3.75 for the reaction SO2(g) + NO2(g) SO3(g) + NO(g) If all four gases had initial concentrations of 0.800 M
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