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What is meant by enriched uranium?
1.Enriched uranium is an uranium-containing substance in which its natural amount of uranium-235 was increased.
2.Enriched uranium is an uranium-containing substance in which its natural amount of uranium-235 was decreased.
3.Enriched uranium is an uranium-containing substance that includes not only uranium-235 but also uranium-236 and uranium-237.
4 Enriched uranium is a substance that contains uranium-236.
What is the pH of a solution in which 323 mL of HCl(g), measured at 26.8 degrees Celsius and 1.02 atm, is dissolved in 1.5 L of aqueous solution?
Ethane, C2H6, has a molar heat of vaporization of 15 kJ/mole. How many kilojoules or energy are required to vaporize 5 g of ethane?
Dicarbonyl compounds, such as benzil, can be characterized by reaction with o-phenylenediamine to form a substituted quinoxaline.
if a gas 25.0 c occies 3.60 liters at pressure of 1.00 atm, what will be its volume at a pressure of 2.50 atm
When 100.g Mg3N2 reacts with 75.0 g H2O, 15.0 g of NH3 is formed. What is the % yield?
what are the ground state electron configuration of the elements in period 2 of this alternate reality?
The half-life of radon-222 is 3.8 days. How much of a 100 g sample is left after 15.2 days?
When 4.21 g of a nonelectrolyte solute is dissolved in 165 mL of water at 26 °C, the resulting solution exerts an osmotic pressure of 909 torr
Determine the magnesium content (in ppm) of a 100.00 mL sample of drinking water if the following data were obtained. Titrant is 0.0481 M EDTA, 12.78 mL were used when an aliquot of the sample was at pH 13.0
What is the molarity of a solution made by dissolving 74.8 g of strontium perchlorate in sufficient water
Acetylsalicylic acid (aspirin), HC9H7O4, is the most widely used pain reliever and fever reducer in the world. Find the pH of 0.018 M aqueous aspirin at body temperature (Ka at 37°C = 3.6 10-4).
concentrated sulfuric acid used in the labortory is 95% by mass. calculate the mass of water in 100-g
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