A #5*g# mass of magnesium metal reacts with a #4.0*g# mass of oxygen gas. Which reagent is in stoichiometric excess?
We follow the stoichiometric equation:
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The oxygen gas is in stoichiometric excess.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- In the industrial preparation of silicon, 188.5 kg of molten SiO2 reacts with 87.3 kg of carbon to produce 78.4 kg of silicon, according to the following balanced equation what is the percent yield of the reaction? SiO2 (l) + 2C (s) ----> Si (l) + 2CO (g)
- In the equation #Al_2(SO_4)_3 + 6NaOH -> 2Al(OH)_3 + 3Na_2SO_4#, what is the mole ratio of #NaOH# to #Al(OH)_3#?
- When 6.25 g of AgNO3 reacts with 4.12 g of NaCl to form NaNO3 and AgCl, what is the limiting reactant?
- Combining 0.265 mol of #Fe_2O_3# with excess carbon produced 14.7 g of Fe. #Fe_2O_3 + 3C -> 2Fe +3CO.# What is the actual yield of iron in moles?
- How do you balance #Al(s) + 3Zn(NO_3)_2(aq) -> Al(NO_3)_3(aq) + Zn(s)#?
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