___ KClO3 + ___ P → 10 KCl + ___ P4O10
3. Chemical Reactions
Stoichiometry
- Multiple ChoiceIf a match contained 1.00 g of P, how much P4O10 would form if the following equation was obeyed?
- Multiple ChoiceIn order to calculate the mass of a product in a chemical reaction from the number of moles of a reactant, which of the following describes all the conversion factors needed?
- Multiple ChoiceWhen heated, potassium chlorate decomposes to potassium chloride and molecular oxygen:
2 KClO3 → 2 KCl + 3 O2
How much oxygen could be formed from 5.0 g of potassium chlorate? - Multiple Choice
The combination reaction for the formation of hydrazine is shown below:
4 NH3 (g) + N2 (g) → 3 N2H4 (l)
Determine the number of moles of hydrazine formed when 25.7 g ammonia reacts with excess nitrogen gas.
- Multiple Choice
The reaction between solid phosphorus and fluorine is given below:
P4 (s) + 12 F2 (g) → 4 PF6 (aq)
If 6.92 x 10-5 molecules of solid phosphorus react to completion, how many grams of phosphorus hexafluoride would be produced?
- Multiple Choice
Determine the density of 50.0 mL iron (II) bromide when the following chemical reaction produced 112.7 g iron (II) phosphate.
2 K3PO4 (aq) + 3 FeBr2 (aq) → Fe3(PO4)2 (s) + 6 KBr (aq)
- Open Question
How many chlorine atoms are on the products side of the reaction 2Al + 6HCl ‚Üí 2AlCl3 + 3H2? 2 3 6 9
- Open Question
How many moles of hexane (C6H14) must burn to form 18.4 mol of carbon dioxide?
- Open Question
Consider the balanced equation below. What is the mole ratio of Fe?
- Open Question
Explain the concept of mole ratio as used in reaction stoichiometry problems
- Open Question
Calculate the amount of Al2O3 if 351 grams of al is reacted with excess O2
- Open Question
What mass of silver oxide, Ag2O, is required to produce 25.0 g of silver sulfadiazine, AgC10H9N4SO2, from the reaction of silver oxide and sulfadiazine?
- Open QuestionWhat minimum mass of h2so4 would you need?
- Open QuestionWhat mass of h2 would be produced by the complete reaction of the iron bar?
- Open QuestionThe reaction between potassium chlorate and red phosphorus