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When ethane is reacted with oxygen in the air, the products are carbon dioxide and water. This process requires ____ moles of oxygen for every one mole of ethane.
a hypothetical ax type ceramic material is known to have a density of 2.10gcm3 and a unit cell of cubic symmetry with a
Question- Alkali metals like na and k dissolve in liquid ammonia to give a blue solution which is due to the absorption of solvated electrons. as a crude model, we can treat the solvated electron as a particle in the box
an aqueous potassium nitrate solution has a freezing point of -2.0 degc. how many moles of potassium nitrate are
Depict the molecule of 2-methyl-2-butanol by placing atoms on the grid as well as connecting them with bonds. Comprise all hydrogen atoms.
The first order decay of a radionuclide was observed. The initial activity was 0.00658 disintegrations per second per gram and after 317 seconds, the activity was 0.00213 disintegrations per second per gram. What is the half-life, in seconds, of t..
capacity contains fluorine gas at a pressure of 160. lb/in^2 at 26° C. What volume will the gas occupe at STP? (1 atm = 14.7 lm/in^2, F = 19.00 g/mol)
the cancer drug cisplatin contains 65% platinum. if you have 1.53 g of compound, how many grams of platinum does this sample contain
A cylinder contains 30.5 L of oxygen gas at a pressure of 1.6 atm and a temperature of 300 K
what would be the effect on your calculated concentration of NaOH, if, unbeknownst to you, someone left the KHP out and it absorbed water?
Problem- A block has a mass of 16.07 g and sides of length: 12.9 mm, 14.9 mm, 15.8 mm. What is its density in g/cm3
Sulfuric acid is a strong monoprotic acid. The bisulfate anion is a weak acid with a pKa of 1.92. Calculate the pH of a 0.1000 M solution of sulfuric acid.
What mass of this substance must evaporate in order to freeze 112 of water initially at 18? (The heat of fusion of water is 334 the specific heat of water is 4.18 .
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