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Problem- Breaking a chemical bond requires approximately 102 kJ/mol of energy. What is closest to the order of magnitude of the energy required to split a nucleus in to its individual protons and neutrons?
Explain your strategy for completing your purification task defining your rationale as relevant.
A solution is prepared by dissolving 11.60 g of a mixture of sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0- cm^3 sample of the solution is then treated with excess HNO3 and boiled to remove all the dissolved gas
Eggshells contain calcium carbonate CaCO3. What test would determine the presence of carbonate in these substances and how would u write the chemical equation for this reaction
A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. Write a chemical equation for the neutralization reaction that occurs.
Find the mass of carbon in 1.750 L of acetic acid (CH3COOH) given the density of acetic acid is is 1.050g/mL.
the atomic spacing in rock salt nacl is 0.282 nm. find the kinetic energy in ev of a neutron with a de broglie
what may happen to a large i.e. 30-50lb container of trichloro-s-triazinetrione or calcium hypochlorite if it is left
For the D3h point group draw 3X3 transformation matrix for each of the operations of this point group on a set x,y,z coordinate
when al metal reacts with hbr aluminum bromide and hydrogen gas are formed. if you started with 3.75 g of aluminum and
In our kinetics lab we used sodium thiosulfate as a mild reducing agent. Explain why this reagent would be a reducing agent. Also, what about potassium dichromate K2Cr2O7. Why is it such a good oxidizing agent.
0.0431 moles of sucrose c12h22o11 are dissolved in 400.0 grams of h2o. the solution density 1.013 gml and suppose that
Formic acid (HCOOH) is secreted by ants. Calculate [H3O+] for a 7.40E-3 M aqueous solution of formic acid (Ka = 1.80E-4).
how many grams of aspirin were lost in the washing process you used to purify your product assuming you used 50 ml of
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