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Calculate the energy released (per mole of deuterium consumed) for the following fusion reaction, 2/1 H + 3/1 H -> 4/2 He + 1/0 n given the following molar masses of nucleons and nuclei (c=2.998 x 10^8 m/s) proton 1.007825 g/mol neutron 1.008665 g/mol deuterium 2.0140 g/mol tritium 3.01605 g/mol helium-4 4.00260 g/mol
A compound is heated to produce gas whose molecular mass is to be determined. The gas is collected by displacing water in a water filled flask inverted in a trough of water
How is it possible that hard water can also be very saline ie The River Murray in South Australia? If sodium is added to soften hard water, then wouldn't the presence of salt in hard water 'soften' the water naturally
How many grams of sodium succinate (MW=140 g/mol) and disodium succinate (MW=162 g/mol) must be added to 1L of water to produce a solution with pH=6.0 and a total solute concentration
during an acid-base titration 23.3 ml of hcl completely neutralized 19.5 ml of potassium hydroxide 0.315 m. calculate
a gas diffuses only .5 times as fast as an oxygen molecule at the same temperature. what is the molecular weight of the gas?
what is the molarity of a solution containing 7.0 moles of solute in 4300 mL of solution?
toothpaste contains 0.24% by mass sodium flouride used to prevent dental cavities. One tube contains 119g of toothpaste. How many moles of NaF are in the tube?
how do you do the lewis dot structure for NBr3 and H2O? we have to do it on Marvin sketch if any of you are familiar with it. thanks so much
monoprotic acid, has a pH=2.00. What is the value of the ionization constant, Ka for this acid?
Determine the number of electron pairs (both bonding pairs and lone pairs) on the iodine atom in the following.
how many grams of Mg(OH)2 will be needed to neutralize 25ml of stomach acid if stomach acid is .10M HCL
What if you were designing an engine for a SUV that produced 2.40 × 102 L/s of exhaust with a CO content of 1.9 mg CO per 1L of exhaust? What volume of catalytic matrix would you need to reduce the CO emission in this automobile?
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