If you are worried about your grades, you're among the smart ones. So reach out now and let me help you today. Most of my students agree that I am patient and would move at your pace to ensure you understand the concept. I use zoom and other video conferencing means and usually I share a whiteboard so that we can do some writings and explain things more clearer to you. You see, Chemistry could be Organic Chemistry, physical chemistry, analytical chemistry, environmental chemistry or even biochemistry. Let us know what you need help with and I'm happy to help.