Calculate the vapor pressure (in torr) for a solution prepared by dissolving 39.97 g of glycerol (C3H8O3) in 501.4 g of H2O at 25°C. The vapor pressure of pure H2O at 25°C is 23.76 torr
1- Solve problems #23 to 51 on pages 130 and 131 at the end of chapter 3. These are worth 50 points. 2- Write two two-page summaries for all the authentic information that you can gather for the element of your choice. Include the real-life application for this element. Font #12, times, or similar font, … Read more
https://www.youtube.com/watch?v=TOyDzOc2AaI 1- Write one page summary of the educational video posted in this lab. Font #12, double spaced, times or similar font. 2- What are the colors of the following ions in the flame-test: Cu2+, Na+, K+, Li+, Ca2+ and Fe3+? 3- for the coming educational video write one page summary that explains how the … Read more
https://www.mediafire.com/file/v3p8sfsvsf0twxu/IMG_1888.jpeg/file https://www.mediafire.com/file/imfct9gjwgbcs3n/IMG_1887.jpeg/file Problems 44-70 need to be solved.
Welcome to Week 1 of CHM/110 Introductory Chemistry! This course uses a variety of learning resources to help you develop an understanding of introductory chemistry. Each week, there will be a plan to help you understand how to use those resources. After you read the plan, answer the question at the end to tell your … Read more
The enthalpy of combustion of gasoline is about 45 kJ/g. The amount of energy needed to heat 1 g of water from 20 °C to 100 °C is 80 °C x 4.18/g•°C. The enthalpy of vaporization of water is 2540 J/g. What mass of water at 20 °C can 1 g of gasoline heat and … Read more
you will find an article relating to Chemistry that was published within the last 30 days and from a reputable news source. After you find a recent article, please post the link to your Chemistry in the News Article to share with your classmates. Please include 4-5 sentences to summarize your article and 4-5sentences linking your article to Chemistry, this needs to be in your own words.
Discussion Question 1 Using the South University Online Library or the Internet, research the causes of coronary artery disease. On the basis of your research, respond to the following: State the chemical composition of the sterol present in high levels in most people who belong to the high-risk group. Distinguish between the ‘good’ and ‘bad’ … Read more
For this assignment, you will find an article relating to Chemistry that was published within the last 30 days and from a reputable news source. After you find a recent article, please post the link to your Chemistry in the News Article to share with your classmates. Please include 4-5 sentences to summarize your article and 4-5sentences linking your article to Chemistry, this needs to be in … Read more
you will find an article relating to Chemistry that was published within the last 30 days and from a reputable news source. After you find a recent article, please post the link to your Chemistry in the News Article to share with your classmates. Please include 2-3 sentences to summarize your article and 1-2 sentences linking your article to Chemistry, this needs to be in your own … Read more