2.5 pts Question 18
In an exothermic reaction, the energy of the reactants is greater than the energy of the
products. Which of the following best explains the difference in energy between the
reactants and products?
Chemical energy from the reactants is destroyed during the reaction
Ambient energy is converted to chemical energy during the reaction.
Chemical energy from the reactants is released as heat.
Chemical energy in the products is created during the reaction
My

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?