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The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 300. g of pure Cu? Express your answer to three significant figures and include the appropriate units.
the compound sucrose is commonly known as table sugar. the chemical formula of sucrose is C12H22O11. How many hydrogen atoms are resent in 1.50 x 10^-4 mol of sucrose
Compute the wavefunction and the probability to tunnel, for a proton in the potential: V(x)=0, when x 0.00 nm, and V(x)=2.0*10-19 J otherwise.
A 9m^3 room contains a canister of CO2 with a faulty valve. At a level of 75 mole % CO2, breathing the air becomes lethal. The room temperature is 25 degrees Celcius.
After balancing the following redox reaction inacidicsolution, what is the coefficient of H2O?IO3-(aq) + Sn2+(aq) → Sn4+(aq) + I2(s)
Question- The specific heat capacity of liquid water is 4.18 J/g-K. How many joules of heat are needed to raise the temperature of 5.00 g of water from 15.0°C to 36.5°C
Imagine gaseous Ar at 298 K confined to move in a two-dimensional plane of area 1.00 cm^2. What is the value of the translational partition function
the half-cell tl tl1 mol l-1 is connected to a pt h h21 atm half-cell in which the concentration of h is unknown.
In your house (elevation 950ft above sea level) you have a barometer that registers inches of mercury. On an average day in january, the pressure was 0.966 bar on 700 ft elevation
Acetylenic fatty acids are found in many tropical plants. Compound G, C18H28O2, is one such compound; it absorbs 4 equivalents of H2 when treated with H2 over a Pd/C catalyst. Ozonolysis of compound G produces the following products
A compressed-air tank carried by scuba divers has a volume of 6.80L and a pressure of 120atm at 20 degrees celsius. What is the volume of air in the tank at 0 degrees celsius and 1.00atm pressure (STP)
find the specific solubilities (in g/100g H2O) in both cold and hot water for AgCl, PbCl2, and Hg2Cl2.
question jerry forgot to record the actual molar concentration of the standard hcl solution which was actually 0.044m
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