by Laura K. Clark | Jun 3, 2022 | Chemistry
Classification helps us categorize different substances based on a set of characteristics. Define the most common characteristics of a solid and a liquid along with examples that fall under each category. What are the limitations to categorizing substances in only 3...
by Laura K. Clark | Jun 1, 2022 | Chemistry
According to the textbook, “A recent area of research involves the development of paper-based measuring devices. For example, the nonprofit organization Diagnostics for All (DFA) based in Cambridge, Massachusetts, has invented a paper-based device to detect proper...
by Laura K. Clark | Jun 1, 2022 | Chemistry
Physical and chemical changes occur all around us in our daily lives. For instance, imagine cooking noodles on a stove top. You need to boil water over a heat source, let the noodles cook, and drain the water. In just that single process there are multiple physical...
by Laura K. Clark | May 28, 2022 | Chemistry
Phases and Classification of Matter – We have defined the main types of matter and phases in class but there are new developments all the time. In what condition/situation would a substance with properties of multiple phases be beneficial? Why? (ScienceNews)...
by Laura K. Clark | May 25, 2022 | Chemistry
Students approaching the study of chemistry must learn certain basic facts (such as the names and symbols of the most common elements), but it is much more important that they learn to think critically and to go beyond the specific examples discussed in class or in...
by Laura K. Clark | May 25, 2022 | Chemistry
Follow these steps to complete the assignment. Imagine your chemistry professor asks you to answer the following question: What is the relationship between completion of assigned homework and the final grade a student receives in a course? In a blank document, answer...