1. What did you like most about the class? 2. What would you like to see changed for future classes?
Oxidation refers to when an element loses electrons during a…
Oxidation refers to when an element loses electrons during a chemical reaction.
Experimenters who want to assess external validity should at…
Experimenters who want to assess external validity should attempt to generalize their findings across _____.
The SNAP (Supplemental Nutrition Assistance Program) EBT ben…
The SNAP (Supplemental Nutrition Assistance Program) EBT benefits allow recipients to purchase everyday foods like bread, cereal, dairy, and meat products, but generally prohibit the purchase of hot, prepared foods such as rotisserie chicken. What is the primary rationale behind this restriction?
Women, Infants and Children (WIC) is a USDA special suppleme…
Women, Infants and Children (WIC) is a USDA special supplemental nutrition program that, among other services, provides nutrition education to women and their infants (under 5 years old). What aspect of food security does providing nutrition education address?
The U.S. Land Grant University System has played a pivotal r…
The U.S. Land Grant University System has played a pivotal role in American agriculture, education, and development. Which of the following statements about the U.S. Land Grant University System is NOT true?
Why was the fortification of vitamin D very successful, even…
Why was the fortification of vitamin D very successful, even when it was done by private businesses and in some cases, with no extra money earned from selling the fortified milk?
The above graph shows a titration curve of a weak base titra…
The above graph shows a titration curve of a weak base titrated with HCl. The pH was measured with a pH meter after small volumes of 0.075 M HCl were added to 25.0 mL the weak base.Find the two points on the curve that indicate the region where the solution can be described as a buffer.
The concentration of the complex ion in each of following so…
The concentration of the complex ion in each of following solutions is 1.00 M. In which of the solutions will the concentration of the uncomplexed metal ion be the greatest? Hg(CN)42− Kf = 9.3 × 1038Be(OH)42− Kf = 4.0 × 1018Zn(OH)42− Kf = 3.0 × 1015Cu(NH3)42+ Kf = 5.6 × 1011CdI42− Kf = 1.0 × 106
For the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g) at 298 K, Keq =…
For the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g) at 298 K, Keq = 1.87 × 10-7, ΔS° = 1.8192 J/(mol ∙K), what is ΔG° and is the reaction spontaneous?