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A gas mixture contains 12.4 g of N2, 6.8 g of H2, and 26.4 g of CH4. Explain what is the mole fraction of H2 in the mixture?
If 21 mL of 6.0 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
An athlete wants to acquire red blood cells from a donor with the same blood type. Taking into consideration that blood is composed of three components, plama, red blood cells, and leukocytes. what instrument have used in our lab experiments that ..
convert your answer from part a to an equivalent in megatons of tnt the unit used for nuclear bombs. comment on the
calculate A) the molarity of sodium B) the molarity of magnesium acetate C) the molarity of acetate ion in each solution
Hydrogen peroxide, H2O2, is used to disinfect contact lenses. What volume of O2, in mL, of O2(g) at 35°C and 731 mmHg can be liberated from 50.0 mL of an aqueous solution containing 3.00% H2O2 by mass? The density of the aqueous solution of H2O2 i..
100 ml of 1 M acetic acid (pKa 4.76) are placed in a flask. The following volumes of 1 M KOH are added, and the total volume is adjusted to one liter with water.
What is the solubility of Ca(OH)2 in 0.0500 M NaOH assuming both Ideal and Real behavior?
Which radio station broadcasts at a longer wavelength: 93.9 FM or 104.3 FM? To support your answer, list the actual wavelength values and units for each of these radio stations.
calculate the amount of heat required to completely sublime 88.0 g of solid dry ice co2 at its sublimation temperature.
the osmotic pressure of the solution at 25C is found to be 0.614 mbar. Calculate the molecular mass of immunoglobulin G.
what effect does conjugation (alternating single and double or alternating single and triple bonds) have on the location
At equilibrium a 2L vessel contains .410 mol of H2, .130mol of Br2, and 36.0 mol of HBr. What is the equilibrium constant for the reaction at this temperature?
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