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Suppose if the initial amount of phosphorus-32 is 2.0 mCi, define how much phosphorus-32 is left in the body after 42 days? If the half life of phosphorus-32 is 14 days.
At 1 atm, how many moles of CO_2 are released by raising the temperature of 1 liter of water from 20 celcius to 25 celcius
What is the fraction of association for the following potassium propinate solutions? Ignore activities. The Ka of proponoic acid is 1.34*10^-5.
How much heat is required to warm 219 g of ice from -45.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C
A cube of Al is needed to have the mass of 93.5. What must be the length of the cube's edge in cm?
Write the reactions responsible for the LIQUID PHASE oxidation of S(IV) to S(VI), and show how the oxidation can lead to a decrease in pH of rain water.
A concentration cell consists of two H2/H+ half cells. Half cell A has H2 at 0.87 atm bubbling into 0.20 M HCl. Half cell B has H2 at 0.40 atm bubbling into 1.3 M HCl. What is the voltage of the cell
A canister is filled with 320 g of ice and 100. rm g of liquid water, both at 0 rm{^{circ}C} . The canister is placed in an oven until all the rm H_2O has boiled off and the canister is empty. How much energy in calories was absorbed?
The Ksp for calcium sulfate is 7.1 x 10^-5. What is the concentration of Ca^2+ in equilibrium with CaSO4(s) if [SO4^2-] = 2.0 x 10^-2 M
What mass of water is produced from the complete combustion of 8.10×10?3 of methane
A collection of electrons is confined to an infinitely deep well or 1-D box having a 4 nm width. What wavelength photon in micrometers and nanometers when absorbed by an electron in a n=3 level will cause the electron to undergo a transition from ..
Draw a logarithmic concentration diagram showing the relationship between [CO2] and [Ch4] as a function of pE for pH=7 and [CO2] +
Arrange the following compounds by boiling point: 1-pentanol hexane 1-pentanamine butyl methyl ether
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