"the web-based homework does not help me at all [b/c] the exams are nothing like the questions on there…I get sick of companies trying to make money off students by creating this ‘great’ learning tool when it doesn’t follow the style or flow of the professor teaching the class"
"LearnSmart too time consuming"
"LearnSmart takes too much time, suggest homework problems and problems on Moodle are better for learning, notation of the answers in LearnSmart is confusing at times"
"LearnSmart asks a lot of questions it is unnecessary for us to know like vocabulary"
"get rid of LearnSmart, Mastering Chemistry was better"
"require us to turn in LearnSmart at a specific due date, not December. I get lazy and don’t finish. [LearnSmart] gets frustrating sometimes"
"have LearnSmart due dates, not all at the end of the semester"
October 10th CHEM 101 Mid-Semester Evaluation Student Comments
The average time per student cumulatively for the whole semester as of this time (post-Exam III = week 15) does not exceed 9 hours. This is NOT 9 hours per week but 9 hours for the entire semester. The student who has spent THE MOST time online does not exceed 24 hours which is less than 1.6 hours per week. We recommend students study 9 hours per week for a 3 credit hour class.
Natron (German) - baking soda.
Baking Soda, also called sodium bicarbonate, is a naturally occurring substance. Our mining and purification process yields “Pure, Safe and Natural” ARM & HAMMER™ Baking Soda. It’s pure enough (more than 99%) to be listed in the US Pharmacopoeia (USP) since 1948.
The maker of Arm & Hammer (Church & Dwight) supplied the Baking Soda used to clean the Statue of Liberty for its 100th anniversary in 1986.
The Arm & Hammer logo dates back to the 1860s. James A. Church ran a spice business known as Vulcan Spice Mills. According to the company, the Arm and Hammer logo represents Vulcan, the Roman god of fire and metalworking.
Salz (German) - salt.
In 1911 Morton started adding magnesium carbonate (an anti-caking agent) to salt, creating a table salt that flows freely, even in humid weather. This additive has since been changed to calcium silicate.
1924 Morton develops iodized salt to help prevent goiters, which were common at the time. The Food and Drug Administration later requests that the product be labeled with the message, “This salt provides iodide, a necessary nutrient.”
1970 Morton keeps up with consumer health and diet trends by introducing Morton® Salt Substitute. The sodium cations are replaced by potassium. One-quarter teaspoon of salt substitute contains 610mg K.
Backpulver (German) - baking powder.
Baking powders are leaveners used for cooking. They are made up of
sodium bicarbonate (baking soda);
an acid salt which reacts with moisture or heat, or both such as tartaric acid, mono-calcium or combination of acid salts;
cornstarch (an inert filler used to keep ingredients separated)
Prior to the invention of baking powder in 1854, bakers used many different things to leaven their baked goods. Milk was clabbered, or soured for several days so it could be used for leavening. The woman in the picture has been holding that plate of biscuits since 1923.
The popularization of science, and all of STEM, is almost as, if not just as, important as the sciences themselves. It’s beyond amazing to have a civilization with certain people capable of producing such wondrous technology, experiments, theories, and so on, but it is in vain if we can not inspire and educate regular civilians and all people worldwide.
For the 2013-2014 academic year we have been bicycle commuting 3 days out of the week and driving only 2 days per week. During the 2011-2012 and 2012-2013 academic years, we drove in separate directions, in separate cars, 5 days per week. Considering the days we bike as carbon offset, with our current driving/biking habits, it will only take 34 years to undo the damage we did in those two years. So either we need to bike more days per week or move closer to CSUN.
It’s a little tricky to calculate the Joules of solar energy trapped per pound of carbon dioxide since it is considered the reference compound for all other “global warming” gases. Still thinking about this problem…