If 2.0 mol of O₂ and 3.0 mol of N₂ are in a container, what is the mole fraction of O₂?

Which compound has hydrogen bonding?

Which solution will freeze at the lowest temperature?

A sample of gas has V = 2.0 L at 25 °C and 1.0 atm. If temperature doubles (in K) at constant pressure, what is the new volume?

Which concentration unit depends on temperature?

A landlord’s basic remedy/remedies for tenant’s default under the lease is/are:

Stefanie owns a condominium unit. Each month she is assessed a condominium assessment fee.For several months the health club at the condominium has not been open except on weekends and the landscaping has not been cared for regularly. Stefanie has complained a number of times to the association board but has not received any positive response. Stefanie decides that she will not pay the monthly assessment. Is this a good idea? Can Stefanie defend against any attempts to collect the fee?

Craig owns shares in a cooperative and leases an apartment from the cooperative. Craig wants to sell his shares and assign his lease to the new owner. The cooperative’s board of directors tells Craig that he cannot do this unless they approve the new owner. Can the board legally do this?

A lease is entered into between landlord and tenant on May 10 and provides that the tenant shall take possession of the premises on August 1. The lease is effective and commences on:

Condominium owners have joint and several liability for damage or harm caused to persons in connection with the common areas.