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The thermite reaction has been used to weld railroad rails, make bombs, and ignite solid rocket fuel. The equation of the reaction is:
a.) What is the theoretical yield of iron if 100.0 g of Fe2O3 is used?
b.) What is the percentage yield if 52.3 g of iron is actually produced?
when 9.6 grams of nabr are dissolved in enough water to create a 165-gram solution what is the solutions concentration
Write a brief discussion of the bond dipoles of iodomethane and the corresponding Grignard reagent.
An atomic face-centered cubic crystal is 3.92 Angstroms on an edge as well as has a density of 21.5 g/cm3. Explain what is its atomic mass
isotope 1 has a mass of 120.9038 rm amu and a relative abundance of 57.4 and isotope 2 has a mass of 122.9041 rm amu.
If you shine a light beam through this sample, minimal light passes through ( assume no light passes through). What if your sample allows 50% of light to pass through? How many bacteria are in your sample.
Question- A gas was collected over water by bubbling it into an inverted flask at 27.0 degrees C. If the gas was collected at 760torr, what is the actual pressure of the gas
A second order reaction of the type A + B--> P was carried out in a solution that was initially .075 mol dm^-3 in A and .050 mol dm^-3 in B. After 1.0 h the concentration of A had fallen to .020mol dm^-3 a)Calculate the rate constant b)What is the..
Question- What volume (L) of the solvent tetrahydrofuran should be added to 0.358 L of the solute diethyl ether to prepare a solution that contains 7.60 % by mass (C2H5)2O.
how would you make a 500 ml solution that is 10mM Tris, 2mM EDTA. The formula of Tris is 121.1, EDTA's FW is 187
The cpn version of glucose into lactic acid drives the Phosphorylation of 2 moles of ADP to ATP and has a Delta G=-135 KJ/mol. C6H12O6(aq) + 2 HPO2-(aq) + 2 ADP 3-(aq) + 2 H+(aq) --> 2 CH3CH(OH)COOH(aq) + 2 ATP4-(aq) + 2 H2O(l)
Acid A was titrated by four analysts
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
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