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What is a excess reagent?
In most reactions there are two types of reactant. One of them is completely consumed and the other is only partially consumed. The reactant that is only partially consumed is the excess reactant.
How can one determine whether a reaction is product-favored or reactant-favored?
One can determine if a reaction is product-favored or reactant-favored by comparing the equilibrium constant, K, to 1. If K is greater than 1, the reaction is product-favored, meaning more products are formed. If K is less than 1, the reaction is reactant-favored, meaning more reactants are present at equilibrium.
Why is it false to say the limiting reactant is the reactant that is present in the smaller amount?
Number one, it doesn't define "smaller amount" (by mass? by volume? by number of moles?), and number two, it doesn't take into account the fact that the reaction might require more molecules of one reagent than the other. It's not so much "false" as "not strictly true." The statement could, in some cases, be true.
What is the definition of excess reactant?
An excess reactant is a reactant in a chemical reaction that is present in a quantity greater than required for the reaction to take place. It is not completely consumed during the reaction, leaving some of it leftover.
What is the limiting reactant of 0.5 mol of zinc to 0.75 mol of hydrochloric acid?
Balanced equation first.Zn + 2HCl --> ZnCl2 + H20.5 mole Zn (2 moles HCl/1 mole Zn)= 1 mole HCl================you do not have this much moles HCl0.75 moles HCl (1 mole Zn/2 mole HCl)= 0.375 moles Zn===================you have more moles Zn than thisSo. HCl limits this reaction.
Is magnesium more reactant than sodium?
Not it's not. Sodium is an Alkaline Metal, and Magnesium is an Alkaline Earth Metal, therefore Sodium is more reactant than Magnesium. It is because Alkaline Metals are more reactant than Alkaline Earth Metals.
Why does it make good business sense to have an expensive reactant be the limiting reactant in the production of a specific problem?
The limiting reactant, by definition, will be completely converted to the desired product. If one reactant is substantially more expensive than the other reactant(s), it is monetarily sensible to make the most expensive reactant the limiting one, so that the total material cost per unit of product will be minimized.
For each gram of reactant fusion produces energy than fission?
For each gram of reactant fusion produces more energy than fission.
Why is zinc is more reactive than iron?
Zinc is more reactant than Iran because it is able to lose it's electrons alot easier. bascically if there was a fight between the two of them then the zinc would win because it is more reactant.
Can you tell if an element has been reduced?
it has more electrons in the product than in the reactant
Are Alkaline Earth Metals more reactant than Alkali Metals?
Yes
How is the product different from the reactant isotope in alpha decay?
The product isotopehas one proton more and one nuetron fewer than the reactant isotope.
What happens more on a Monday than any other day?
Coffee
Does an exothermic reation release energy into its surroundings and its products have more energy to the reactant?
Two different answers:Yes, an exothermic reaction releases energy into its surroundings No, its products do NOT have more energy than the reactant(s)
In the us what happens in April more than any other month?
easter
What happens more in June in Australia than any other month?
there will be rainfall
A pathway starts with more than one reactant and ends up with new products?
linear
