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Within a capped carbon nanotube a partical is essentially a particle in a box, free to move in one dimension until it hits the walls. Na+ cations have been successfully trapped into such capped carbon nanotubes. Explain what the frequency for the transition is between the two lowest energy states for a Na+ cation trapped in a CNT 2.0 cm long?
What should be the infusion rate in mL per hour. With a drop factor of 10 drops per mL, calculate the infusion in drops per minute.
A 125g piece of metal is heated to 288c and dropped into 85.0g of water at 26.0c. If the final temperature of the water and metal is 58.0c then what is the specific heat of the metal.
Why is it important to rigorously exclude moisture when performing a Grignard reaction
The density of copper metal is 8.95g/cm3. Explain if the radius of a copper atom is 127.8 pm, is the copper unit cell simple cubic, body centered cubic, or face centered cubic
The lower flammability limit (LFL) for a gas is the minimum concentration of the gas, in air, below which there is too little fuel to support combustion; For propane, the LFL is 2.1 mol-%.
q1. what is the mass number of an iron atom that has 28 neutrons?q2. calculate the number of neutrons of 239pu.q3.
What is the structure of the so-called Garner Aldehyde? Why is this compound a popular building block in the synthesis of more complex structures
granite rock has a specific heat capacity of 0.80 jmiddotdegc-1middotg-1. a 15 g rock was warmed by 202 j of energy
The alcohol content of hard liquor is normally given in terms of the "proof," which is defined as twice the percentage by volume of ethanol (C2H5OH) present. Calculate the number of grams of alcohol present in 1.00 L of 81-proof gin. The density o..
Consider the reaction 2 Al2O3(s) → 4 Al(s) + 3 O2(g). ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements
Given that the most common mineral in limestone is calcium carbonate, describe how these limestone objects are corroded by the sulfuric acid in polluted air. What chemical reaction is involved here?
concentrated sulfuric acid 18.4-molar h2so4 has a density of 1.84 grams per milliliter. after dilution with water to
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