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how many moles of hydrogen gas (H2) can be liberated from 104 mol of magnesium hydride if the process operates on 77% efficency?
If I add 1.65 L of water to 112 grams of sodium acetate...What is the molality of NaC2H3O2 in this solution?
Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s)→ 2K2O(s) + 2N2(g) + 5O2(g)
A quantity of Oxygen (g is originally at 4.75 atm and 26 degree Celsius in a 5.00 Litre container is transferred into the same container determine the total pressure in the new container?
BNCT relies on the initial targeting of tumor cells by an appropriate chemical compound tagged with 10 5 B , which preferentially concentrates in tumor cells.
Describe why this is based on the wavelength range that is transmitted. What color would you see if you mixed the two solutions with ?max = 520 and ?max = 610?
two naturally occurring isotopes, Re-185 (mass = 184.935 amu) and Re-187 (mass = 186.956 amu). Calculate the percent abundances of the isotopes of rhenium.
Acetyl chloride reactions, What major organic products would you expect to be formed when acetyl chloride reacts with the following reagents?
What volume of ethanol must be diluted with water to prepare 308 mL of 0.700 M solution?The density of ethanol is given as 0.789 g/mL.
Considering the given equation KOH + CH 3 COOH ---> KCH 3 COO + H 2 O determine the volume of 0.157M solution Potassium hydroxide is essential to react with 0.385g of Acetic acid? express your answer in mL
A 86 gram solution of silver nitrate contains 14 grams of AgNO3. What is the percent by mass of silver nitrate in this solution.
Number of exhaled molecules, Total mass of the atmosphere is equivalent to that in a layer 7 kilometer deep with density equal to the density at the surface
At some temperature, a chemist found the following equilibrium concentrations. [Fe3+] = 6.63 10-3 M, [SCN-] = 7.36 10-3 M, [FeSCN2+] = 4.34 10-2 M
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