Which is true of the products in this combustion reaction? 4fe + 3o2 2fe2o3
a. the prod...
Which is true of the products in this combustion reaction? 4fe + 3o2 2fe2o3
a. the products contain 4 iron atoms and 6 oxygen atoms.
b. the products are located to the left of the arrow in the chemical equation.
c. the products have the same physical and chemical properties as the reactants.
d. the products are the atoms, molecules, or compounds that participate in the reaction.
Answers: 3
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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
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Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?
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