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105年 - 105輔仁大學營養科學系二年級轉學考-基礎化學#57834

科目：研究所、轉學考(插大)-基礎化學 | 年份：105年 | 選擇題數：0 | 申論題數：24

試卷資訊

所屬科目：研究所、轉學考(插大)-基礎化學

選擇題 (0)

申論題 (24)

(1). Calcium fluoride
(2). Carbon tetrachloride
(3). Magnesium bromide
(4). Nitrogen trichloride
(1). Iron reacting with oxygen to form Fe2〇3
(2). Salt dissolving in water
(3). Water vaporizing at 0°C
⑷. You making an outline of your class notes.
(1). rate or reaction
(2). activation energy
(3). entropy
⑷.exothermic reaction.
5. What is a catalyst? Explain how a catalyst changes the rate of a chemical reaction? What effect does it have on the activation energy of a reaction?
6. What is the hydronium ion concentration of a solution that has a pH of 2.0 ?
7. What is the molar concentration (molarity) of a 1.0 L solution that contains 156 g of nitric acid (HN03)? Of a 1.0 L solution that contains 7.8 g?
8. If you dropped 25 g of salt (NaCI) into a 120000 L swimming pool, what would be the concentration of NaCI in the water in ppm and ppb?
(1) cis-2-butene
(2) 1-hexene
(3) propene
(4) 1-pentene
(1) -IMH2
(2) -CHO
(3) -COOH
(4) -COOCH3