High School Science - HS-PS1-7 - Stoichiometry Centered
6 Questions
NGSS.HS-PS1-7
1
A reaction chamber contains a mixture of hydrogen and oxygen gas as shown in the "Initial State" diagram below.
2
A student decomposes potassium chlorate to produce oxygen gas and collects the gas over water. Some oxygen may be lost if the collection system leaks.
3
A lab team produces ammonia using the reaction
4
A student mixes sodium and chlorine in a sealed container to form table salt. The reaction is:
5
A student runs a reaction in a sealed container that stays on a balance. The student compares the mass before and after the reaction.
6
A student mixes 10.0 g CaCO₃ with 15.0 g HCl in a flask connected to a gas syringe. The syringe collects the CO₂ produced. The balanced reaction is: