I'm looking for a patient chemistry tutor to help my teenager understand high school chemistry concepts. The sessions should cover topics like stoichiometry, chemical reactions, acids and bases, and basic lab safety. Ideally, the tutor can explain complex ideas clearly, provide practice problems, and tailor lessons to our curriculum. We prefer online sessions with occasional in-person meetings if feasible, and flexible timing after school or on weekends. A track record of improving exam performance would be great, along with a friendly, engaging teaching style.