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How many grams of N2 are required to react with 2.30 moles of Mg in the following process?
3 Mg + N2 → Mg3N2? (Mg = 24.3, N = 14.0 g/mol)
The instruction booklet for your pressure cooker indicates that its highest setting is 12.5 psi . You know that standard atmospheric pressure is 14.7psi
In a purity check for industrial diamonds, a 10.25 carat diamond is heated to 74.21 oC and immersed in 26.05 g of water in a constant pressure calorimeter.
An arctic weather balloon is filled with of helium gas inside a prep shed. The temperature inside the shed is . The balloon is then taken outside, where the temperature is . Calculate the new volume of the balloon.
a .350 g sample of a biomolecule was dissolved in 15.0 g of chloroform, and the freezing point depression was determined to be .240 degree celcius. Calculate the molar mass of the biomolecule.
What pressure would have to be applied to steam at 365°C to condense the steam to liquid water (H vap = 40.7 kJ/mol)?
Consider the situation in which 1.60 mL of an aqueous CuSO4 solution of unknown concentration is diluted to a volume of 10.00mL.
What is the total number of liters of O2(g) produced from the complete decomposition of 0.500 mole of KClO3(s)?
How many moles of ions are released when 0.27 mol of cobalt(II) chloride, CoCl2, is dissolved in water?
What is the magnitude of the electric field amplitude associated with the beam and the corresponding photon density per cm3?
How many moles of oxygen are combined with 4.20 moles of chlorine atoms in C2O7?
A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees Celsius. It decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test
Identical containers Ar, CO2, He, and Cl2 at the same temperature and pressure. Which has the lowest density?
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