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Which of the following is NOT a reasonable assumption about the chemical reaction whose energy diagram is depicted below?   

A solution is made by mixing 569 mL of water and 238 mL ethanol. What is the concentration of ethanol in units of volume/volume percent?

Which substance is a nonelectrolyte?

What is the conjugate acid of NH2−?

Which sample contains the largest number of molecules?

Which substance is a colloid?

II. Fill in with UN, UNE, DES. Only use lower case letters. 25 POINTS   [1] table [2] acteur [3] université [4] faculté [5] bureaux [6] objet [7] étudiante [8] différences [9] chanteuse [10] actrices

IV. Fill in the translations below with the correct French word. 40 POINTS   ô  é  è  ê  ë  à  â  ç  ï  î  ù  û  û  œ   How old are you ? = [1] [2] [3]-tu ?       I am 21 years old. = J’ [4] vingt et un [5]. This is a board. = C’ [6] un [7]. These are computers. = Ce [8] des [9]. What is this ? = Qu’ [10]-ce [11] c’ [12] ? There is a boy in the bookstore. = Il [13] a un [14] dans [15] [16]. There are a lot of tables in the library. = Il [17] a beaucoup de tables dans [18] [19]. How many girls are there in the French class ? = Il [20] a [21] de [22] dans la classe de français ?       There aren’t any girls in the French class. = Il n’[23] a pas [24] [25] dans la classe de français.

When the face of a person who is suffocating turn bluish. This is called

Mary noticed a large, brown spot on her skin. She has been playing tennis in the sun for several years without sun protection. She reported the discovery to a friend, who told her to apply the ABCDE rule to determine whether or not she had malignant melanoma. Her friend told her that if her answer was “no” to the questions that were asked by the ABCDE rule, she had nothing to worry about. What is the ABCDE rule and should she ignore the spot if her answers are negative?