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calculate w for the following reactions that occur at 298k and 1 atm pressure, CO2(g) + NaOH(s) -> NaHCO3(s) and 3O2(g) -> 2O3(g)
This solution has an osmotic pressure of 2.60 atm at 25°C. If each molecule of the solute dissociates into two particles (in this solvent), what is the molar mass of this solute?
The mass of the sample before heating was 3.327g and after heating the mass was 2.432g. What is the percent composition of sodium carbonate in the original mixture?
What is the molecular formula for the compound containing 30.4% nitrogen and 69.6% oxygen by mass and having a molar mass of 92.0 g?
Carbon monoxide gas reacts with hydrogen gas at elevated temperatures to form methanol according to this equation. CO(g) + 2 H2(g) CH3OH (g)
calculate the heat released when 176g of water at 23.0 degrees celsius are converted to ice at -10.0 degrees celsius?
a sample of sodium reacts complete with 0.497kg of chlorine, forming 819g sodium chloride. what mass of sodium reacted?
if equal masses of N2 and H2 (7.00 grams each) are combined to produce ammonia NH3, how many grams of ammonia could be produced at maximum yield?
when 9.8 g of aluminum oxide (Al2O3) decomposes, how many grams of aluminum metal are produced?
What is the number of moles of an ideal gas, if the volume is 67 mL, the pressure is 716 mmHg and the temperature is 34 0C?
KCL,KCLO3, and MnO2 having a total wight of 23.584 was jeated tp decompose the KCLO3. After heating, the mass was found to be 22.347g. how many moles of oxygen gas was evolved.
Perform whatever separations and tests you think necessary to determine which ions are in fact present
16.57 The complex [Ni(NH3)6]2+ has a ligand field splitting of 209 kJ·mol-1 and forms a purple solution. What is the wavelength and color of the absorbed light.
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