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Determine the Kelvin temperature required for a 0.0470 mol of gas to fill a balloon to 1.20 L under 0.988 atm of pressure.
effectively prevents hemoglobin from transporting oxygen to cells. How is the carbon monoxide acting in this process?
When a 0.250 gram sample was studied by combustion analysis, 0.451 grams of CO2 and 0.0617 grams of H2O was formed. Calculate the molecular formula.
2C4H10 + 13O2 → 8CO2 + 10H2O A. How many moles of O2 are needed to react with 3.75 moles of C4H10 ? B. How many grams of CO2 result when 85.5g of C4H10 react ?
A solution is made by mixing 12.0 g of NaOH and 75.0 mL of .200 M HNO3. Write a balanced equation for the reaction that occurs between the solutes. Calculate the concentration of each ion remaining in solution. Is the resultant soluiton acidic or ..
If 3.42 g of K2PtCl4 and 1.61 g of NH3 give 2.02g of cisplatin (K2PtCl4+2NH3→2KCl+Pt(NH3)2Cl2), what is the percent yield of the reaction?
A flask containing gaseous N2 is irradiated with 25 nm light. The irradiated moleculars of N2 can absorb the energy from the light photons. Using the following information indicate what species can from in the flask during irradiation.
How many molecular orbitals will be formed by combination of the 3s and 3p atomic orbitals in 1.0 mol of Mg atoms. At 0 K, what fraction of these orbitals will be occupied by electron pairs (all orbitals filled up to the Fermi level)
If 6.73 g of Na2CO3 is dissolved in enough water to make 250 mL of solution, what is the molarity of the solution? What is the molarity of the Na+ ions
In a second experiment, a 1.217 g sample of a compound with the formula C6H14O(l) was burned in the same calorimeter. The temperature increased by 10.08 oC. Use these data, plus the information given below for CO2 and H2O, to estimate the standard..
The mole fraction of potassium nitrate in an aqueous solution is .0194. The density of the the solution is 1.0627 g/mL. Calculate the molarity of the solution.
Estimate the vapor pressure at temperatures of 273, 298, 363, 383, and 423 K respectively
Calculate the partial pressure of water above the solution, in torr.The vapor pressure of pure water at 55°C is 118.0 torr. The MW of lactose is342.3 g/mol
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