Examlex
A reaction of 3.44 g of H2 (g) and 20.5 g of C (s) yields C3H6 (g) , and the enthalphy change is - 11.6 kJ. What is D H for the following reaction?
3 H2 (g) + 3 C (s) →C3H6 (g)
Individual Differences
Are the ways in which people are similar and how they vary in their thinking, feeling, and behavior.
Self-Fulfilling Prophecy
Creating or finding in a situation that which one expected to find in the first place.
Pygmalion Effect
A psychological phenomenon where higher expectations lead to an increase in performance.
Halo Effects
A cognitive bias where an observer's overall impression of a person, company, brand, or product influences feelings and thoughts about that entity's character or properties.
Q9: If waves are hitting the beach every
Q41: Scientists of the 19th Century found that
Q56: Calculate the pressure of 5.33 mol of
Q60: Express 15 inches in cm.<br>A) 2.5 cm<br>B)
Q70: Given the three statements below, which answer
Q85: How many moles of neon gas are
Q87: What is the partial pressure of Ar
Q88: A new element is prepared that has
Q94: Given the three Lewis structures below, pick
Q151: What is the mass of 3.0×10<sup>23</sup> molecules