Using both preterite and imperfect tenses, describe an exciting or interesting experience from your life. Where were you? When did this event occur? Who was there? What happened? How did you feel? Your response must consist of at least 5 sentences in Spanish using 5 different verbs. (3 verbs conjugated in the imperfect tense, 2 verbs conjugated in the preterite tense, or vice versa.) You will be graded on (a) correct use of the preterite and imperfect tenses, (b) vocabulary usage, and (c) overall quality and accuracy of your response.

How many moles of gas are present if p=11 atm, v=12l, t=185k?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %