In which chapter of Acts does Peter's sermon answer the inquiry of the people about repentance?

Peter's sermon addressing the inquiry of the people about repentance is found in Acts 2. This chapter is pivotal as it describes the events of Pentecost, where the Holy Spirit descends upon the apostles. Following this, Peter stands up to clarify the situation to the crowd that gathers, responding to their amazement and confusion. He not only explains the fulfillment of prophecy but also emphasizes the necessity of repentance and baptism for the forgiveness of sins. This call to repentance is foundational to the message of the early church, highlighting the importance of turning away from sin and embracing faith in Jesus Christ as the Messiah. In the context of Acts 2, Peter’s sermon effectively addresses the needs and questions of the people, making it a crucial moment in the establishment of the church and its teachings.