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Calculate the mass of each of the following amounts in order to determine which substance has the greater mass in each of the following situations. 4.02 x 1030atoms of sodium or 3.90 x 1030molecules of propane (C3H8).
This was allowed to react under reflux for an hour and then the products seperated. I wrote out a mechanism before lab and ended up predicting 4-chlorobenzoic acid and 4-chlorophenol as my final products.
how many grams of sulfur dioxide could be formed in a mixture of 128 grams of sulfur and 100 grams of oxygen are mixed and ignited.
A compound is known to contain 51.27% carbon and 27.30% oxygen by mass. Each molecule contains two atoms of oxygen. What is the molar mass of this substance
write the balance the eguation fot the neutralization reaction between H2 SO4 KCH
compound q has a molecular formula c6h10. q reacts rapidly with br2ccl4 and also reacts rapidly with cold concentrated
Chlorine exists primarily as 37Cl as well as 35Cl and has an average atomic weight of 35.453. The abundance of Cl with atomic weight of 35 is
In STM, atomic defects such as missing atoms can be resolved, but not in AFM. What limits the spatial resolution of an AFM experiment
A sample of ammonia gas was allowed to come to equilibrium at 400 K.2NH3(g) ↔ N2(g) + 3H2(g) At equilibrium, it was found that the concentration of H2 was 0.0584 M, the concentration of N2 was 0.0195 M, and the concentration of NH3 was 0.430 M.
Explain the relevance of numbers of molecules to volume, density and relative molecular mass.
Assume that the volume remains constant when the base is added. my pKa is 4.34, mol HA is 0.302, my concentration ratio is 0.51, but how do I get moles of strong base initially added
Determine the magnetic field B a distance z above the center of a circular loop of radius, r. After that show that the magnetic field at a given point inside a solenoid of n turns/unit length as well as carrying a current I is: B= 2 n I (cos1 + co..
An acid-base equilibrium system is created by disolving 0.10 mol HF in water to a volume of 1.0 L. What is teh effect of adding 0.050 mole F-(aq) to this solution
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