下列哪項正確顯示碘的標準態?

課題八 化學反應與能量

Quiz
•
Chemistry
•
7th - 9th Grade
•
Hard
Chemistry Aristo
Used 12+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A. I(s)
B. I2(s)
C. I2(l)
D. I2(g)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個過程是吸熱的?
A. 炭的燃燒
B. 利用熟石灰降低土壤的pH值
C. 把辛烷在無氧的環境下加熱以生成丙烷
D. 把氯化鈣與硫酸鈉混合以生成硫酸鈣
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪個反應有對體系作功?
A. 2O3(g) → 3O2(g)
B. H2(g) + O2(g) → H2O2(l)
C. H2(g) + Br2(l) → 2HBr(g)
D. Ca(s) + 2H2O(l) → Ca(OH)2(aq) + H2(g)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項有關圖中反應的陳述不正確?
A. 反應混合物的温度上升。
B. 反應向四周釋出熱能。
C. 生成物的總焓少於反應物的總焓。
D. 形成鍵合時釋出的能量少於斷裂鍵合時所需的能量。
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某反應的內能變化和對外界作的功分別為–256 kJ和+35 kJ。在固定壓強下,該反應的熱能變化是多少?
A. –221 kJ
B. +221 kJ
C. –291 kJ
D. +291 kJ
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
假設下列各個過程中的CCl4質量相同,哪個過程吸收的熱能最多?
A. CCl4(g) → CCl4(l)
B. CCl4(l) → CCl4(g)
C. CCl4(g) → CCl4(s)
D.CCl4(s) → CCl4(g)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
沸騰1 mol液態BrF3的焓變是多少?
A. –45.5 kJ mol–1
B. +45.5 kJ mol–1
C. –91.0 kJ mol–1
D. +91.0 kJ mol–1
Create a free account and access millions of resources
Similar Resources on Wayground
20 questions
25分鐘測驗:課題七 氧化還原反應、化學電池和電解

Quiz
•
9th - 12th Grade
15 questions
八下CH3-1:電解質

Quiz
•
8th Grade
15 questions
Energy in Chemical Reactions

Quiz
•
9th - 11th Grade
19 questions
3.1.6.1 Chemical equilibria and Le Chatelier's principle

Quiz
•
9th - 12th Grade
23 questions
Thermochemistry Pre-Assessment

Quiz
•
9th Grade
19 questions
Unit 10 Review

Quiz
•
9th Grade
18 questions
4~2 化學平衡

Quiz
•
8th - 9th Grade
21 questions
S3化學第三段測試複習

Quiz
•
9th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade