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A mixture of gases contains 0.24 mole CH4 0.44 mole C2H6 and 0.53 mole C3H8. The total pressure is 1.50 atm. Compute the partial pressures of the gases.
Provide a structure for the following compound
A sample of zinc nitride, Zn3N2, contains 39.0 g of zinc. How many nitride ions are present
the masses in the question below are in grams at celsius temperature. the specific heat of water is 4.184 g degree
estimate the minimum uncertainty in the position of an electron of mass 9.109*10^-31 kg if the error in its speed is 3*10^5 m/s
A certain solvent has a normal freezing point of 1.72 ° C, and a freezing point depression constant of 5.07 ° C/m. What is the molality of a solution in
If 26.95 mL of a standard 0.1650 M NaOH solution is required to neutralize 37.17 mL of H2SO4, what is the molarity of the acid solution
Within this analogy, discuss how the shielding by core electrons is analogous to putting a frosted-glass lampshade between the lightbulb and your eyes, as shown in the illustration.
It is possible to write four resonance structures for the azide ion, N3-, all of which satisfy the octet rule (write them all). However, experiential evidence shows that the azide ion has linear shape, with equal nitrogen-nitrogen distances
Consider the weathering reaction describing the breakdown of K-feldpar to form the clay mineral kaolinite, a reaction of particular importance in tropical soils
A 4.70 g nugget of pure gold absorbed 278 J of heat. The initial temperature was 28.0°C. What was the final temperature.
The solubility of PbI2 in water is 0.62 g in 1.0 L of water at 25 degrees C. What is the value for Ksp for PbI2
separation techniques were performed on a sample containing only sand and salt. the mass of the initial sample was
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