【11676XEa140】IGCSE 1 化学录播课_240
课程目录：
1-_001_Made-of-particles .mp4 (27.65MB)
10-010_Showing-changes-of-state-on-a-graph .mp4 (50.05MB)
100-100_Silica-is-similar-to-diamond .mp4 (62.95MB)
101-101_Graphite-–-a-very-different-giant-structu .mp4 (190.46MB)
102-102_Making-use-of-these-giant-structures .mp4 (95.74MB)
103-103_Clues-from-melting-points .mp4 (117.6MB)
104-104_The-structure-of-metals .mp4 (159.24MB)
105-105_Explaining-some-key-properties-of-metals .mp4 (218.43MB)
106-106_The-names-of-compounds .mp4 (188.57MB)
107-107_Finding-formulae-from-the-structure-of-co .mp4 (110.36MB)
108-108_Valency .mp4 (143.34MB)
109-109_Writing-formulae-using-valencies .mp4 (146.55MB)
11-011_How-the-particles-are-arranged .mp4 (152.19MB)
110-110_Writing-formulae-by-balancing-charges .mp4 (32.16MB)
111-111_Equations-for-two-sample-reactions .mp4 (111.44MB)
112-112_Symbol-equations-must-be-balanced .mp4 (84.29MB)
113-113_Adding-state-symbols .mp4 (77.37MB)
114-114_How-to-write-the-equation-for-a-reaction .mp4 (222.72MB)
115-115_Relative-atomic-mass .mp4 (108.06MB)
116-116_Ar-and-isotopes .mp4 (128.16MB)
117-117_Ar-values-for-some-common-elements .mp4 (72.22MB)
118-118_Finding-the-masses-of-molecules-and-ions .mp4 (114.1MB)
119-119_Two-laws-of-chemistry .mp4 (98.31MB)
12-012_Changing-state .mp4 (119.45MB)
120-120_Calculating-quantities .mp4 (127.62MB)
121-121_Percentages：-a-reminder .mp4 (43.65MB)
122-122_Calculating-the-percentage-composition-of .mp4 (70.03MB)
123-123_Calculating-%-purity .mp4 (65.93MB)
124-124_What-is-a-mole？ .mp4 (58.49MB)
125-125_The-Avogadro-constant .mp4 (37.69MB)
126-126_More-examples-of-moles .mp4 (74.63MB)
127-127_Finding-the-mass-of-a-mole .mp4 (29.29MB)
128-128_Some-calculations-on-the-mole .mp4 (48.86MB)
129-129_What-an-equation-tells-you .mp4 (135.4MB)
13-013_How-much-heat-is-needed？ .mp4 (30.6MB)
130-130_Reminder-the-total-mass-does-not-change .mp4 (43.66MB)
131-131_Calculating-masses-from-equations .mp4 (132.65MB)
132-132_Working-out-equation，-from-masses .mp4 (104.88MB)
133-133_A-closer-look-at-some-gases .mp4 (120.98MB)
134-134_Another-way-to-look-at-it .mp4 (32.55MB)
135-135_Calculating-gas-volumes-from-moles-and-gr .mp4 (84.86MB)
136-136_Calculating-gas-volume-from-equations .mp4 (129.85MB)
137-137_What-does-‘concentration'-mean？ .mp4 (60.72MB)
138-138_Finding-the-concentration-in-moles .mp4 (147.53MB)
139-139_Finding-the-amount-of-solute-in-a-solutio .mp4 (41.81MB)
14-014_Reversing-the-changes .mp4 (61.75MB)
140-140_Sample-calculations .mp4 (75.9MB)
141-141_What-a-formula-tells-you-about-moles-and- .mp4 (88.5MB)
142-142_Finding-the-empirical-formula .mp4 (200.75MB)
143-143_An-experiment-to-find-the-empirical-formu .mp4 (87.83MB)
144-144_The-formula-of-an-ionic-compound .mp4 (47.66MB)
145-145_The-formula-of-a-molecular-compound .mp4 (106.71MB)
146-146_How-to-find-the-molecular-formula .mp4 (67.25MB)
147-147_Calculating-the-molecular-formula .mp4 (145MB)
148-148_Yield-and-purity .mp4 (85.85MB)
149-149_Finding-the-%-yield .mp4 (115.76MB)
15-015_What-is-gas-pressure？ .mp4 (44.82MB)
150-150_Finding-the-%-purity .mp4 (306.84MB)
151-151_Different-groups-of-reactions .mp4 (54.29MB)
152-152_Oxidation：-oxygen-is-gained .mp4 (40.99MB)
153-153_Reduction：-oxygen-is-lost .mp4 (140.18MB)
154-154_Oxidation-and-reduction-take-place-togeth .mp4 (31.72MB)
155-155_Two-more-examples-of-redox-reactions .mp4 (76.06MB)
156-156_Another-definition-for-oxidation-and-redu .mp4 (91.7MB)
157-157_Writing-half-equations-to-show-the-electr .mp4 (187.35MB)
158-158_Redox-without-oxygen .mp4 (140.69MB)
159-159_From-half-equations-to-the-ionic-equation .mp4 (24.12MB)
16-016_When-you-heat-a-gas .mp4 (59.63MB)
160-160_Redox：-a-summary .mp4 (9.11MB)
161-161_What-does-oxidation-state-mean？ .mp4 (26.45MB)
162-162_The-rules-for-oxidation-states .mp4 (179.26MB)
163-163_Oxidation-states-change-during-redox-reac .mp4 (67.8MB)
164-164_Using-oxidation-states-to-identify-redox- .mp4 (121.68MB)
165-165_What-are-oxidising-and-reducing-agents？ .mp4 (121.49MB)
166-166_Using-oxidation-states-to-identify-redox- .mp4 (68.18MB)
167-167_-Potassium-manganate(VII) .mp4 (199.66MB)
168-168_Potassium-dichromate(VI) .mp4 (183.83MB)
169-169_-Potassium-iodide .mp4 (104.73MB)
17-017_When-you-squeeze-a-gas-into-a-smaller-spa .mp4 (94.5MB)
170-170_Batteries-and-electric-current .mp4 (102.98MB)
171-171_Conductors-and-insulators .mp4 (31.25MB)
172-172_Some-uses-for-conductors-and-insulators .mp4 (59.47MB)
173-173_Testing-substances-to-see-if-they-conduct .mp4 (325.52MB)
174-174_Electrolysis：-breaking-down-by-electricit .mp4 (35.04MB)
175-175_The-electrolysis-of-molten-lead-bromide .mp4 (168.16MB)
176-176_The-electrolysis-of-other-molten-compound .mp4 (53.58MB)
177-177_The-electrolysis-of-aqueous-solutions .mp4 (96.11MB)
178-178_The-rules-for-the-electrolysis-of-a-solut .mp4 (175.68MB)
179-179_What-happens-to-ions-in-the-molten-lead-b .mp4 (113.97MB)
18-018_The-rate-of-diffusion-of-gases .mp4 (176.27MB)
180-180_For-a-concentrated-solution-of-sodium-chl .mp4 (62.5MB)
181-181_For-a-dilute-solution-of-sodium-chloride .mp4 (46.24MB)
182-182_Writing-the-half-equations-for-electrode- .mp4 (187.35MB)
183-183_What-is-brine？ .mp4 (59.03MB)
184-184_The-electrolysis(brine) .mp4 (114.99MB)
185-185_What-the-products-are-used-for .mp4 (129.26MB)
186-186_When-electrodes-are-not-inert .mp4 (165.34MB)
187-187_Refining-copper .mp4 (105.72MB)
188-188_Electroplating .mp4 (97.36MB)
189-189_Energy-changes-in-reactions .mp4 (41.66MB)
19-019_Mixtures .mp4 (48.64MB)
190-190_The-energy-change-of-exothermic-reactions .mp4 (26.59MB)
191-191_Other-examples-of-exothermic-reactions .mp4 (25.26MB)
192-192_Endothermic-reactions .mp4 (115.92MB)
193-193_Exothermic-reactions .mp4 (147.9MB)
194-194_The-energy-change-of-endothermic-reaction .mp4 (25.12MB)
195-195_Other-examples-of-endothermic-reactions .mp4 (41.51MB)
196-196_Making-and-breaking-bonds .mp4 (219.37MB)
197-197_Bond-energies .mp4 (46.87MB)
198-198_Calculating-the-energy-changes-in-reactio .mp4 (86.67MB)
199-199_Starting-a-reaction-off .mp4 (35.67MB)
2-_002_Particles-on-the-move .mp4 (51.55MB)
20-020_Solutions .mp4 (49.55MB)
200-200_What-is-a-fuel？ .mp4 (32.54MB)
201-201_The-fossil-fuels .mp4 (156.48MB)
202-202_So-what-makes-a-good-fuel？ .mp4 (65.37MB)
203-203_Two-fuels-growing-in-importance .mp4 (60.29MB)
204-204_Different-amounts-of-heat .mp4 (20.25MB)
205-205_Nuclear-fuels .mp4 (115.96MB)
206-206_Electricity：-a-form-of-energy .mp4 (24.74MB)
207-207_Electricity-from-a-redox-reaction .mp4 (169.93MB)
208-208_A-simple-cell .mp4 (136.3MB)
209-209_The-hydrogen-fuel-cell .mp4 (92.82MB)
21-021_Not-everything-dissolves-so-easily .mp4 (106.25MB)
210-210_Advantages-of-the-hydrogen-fuel-cell .mp4 (66.55MB)
211-211_When-you-heat-copper(II)-sulfate-crystals .mp4 (221.67MB)
212-212_What-about-the-energy-change？ .mp4 (48.46MB)
213-213_Some-important-reversible-reactions .mp4 (61.38MB)
214-214_Reversible-reactions-and-equilibrium .mp4 (119.33MB)
215-215_A-challenge-for-industry .mp4 (38.16MB)
216-216_The-challenge .mp4 (100.14MB)
217-217_What-can-be-done？ .mp4 (467.02MB)
218-218_Choosing-the-optimum-conditions .mp4 (31.16MB)
219-219_A-note-about-rate .mp4 (82.29MB)
22-022_Helping-a-solute-dissolve .mp4 (69.08MB)
220-220_Fast-and-slow .mp4 (131.62MB)
221-221_What-is-rate？ .mp4 (67.49MB)
222-222_Rate-of-a-chemical-reaction .mp4 (155.64MB)
223-223_A-reaction-that-produces-a-gas .mp4 (278.4MB)
224-224_Ways-to-change-the-rate-of-a-reaction .mp4 (17.91MB)
225-225_1-By-changing-concentration .mp4 (164.38MB)
226-226_2-By-changing-temperature .mp4 (152.31MB)
227-227_3-By-changing-surface-area .mp4 (305.38MB)
228-228_Explosion！ .mp4 (174.72MB)
229-229_The-collision-theory .mp4 (165.98MB)
23-023_Water-is-not-the-only-solvent .mp4 (82.71MB)
230-230_Changing-the-rate-of-a-reaction .mp4 (179.25MB)
231-231_What-is-a-catalyst？ .mp4 (88.33MB)
232-232_Example：-the-decomposition-of-hydrogen-pe .mp4 (100.9MB)
233-233_What-are-enzymes？ .mp4 (50.88MB)
234-234_How-do-catalysts-work？ .mp4 (41.94MB)
235-235_Catalysts-in-the-chemical-industry .mp4 (86.96MB)
236-236_Making-use-of-enzymes .mp4 (96.14MB)
237-237_Some-reactions-need-light .mp4 (22.89MB)
238-238_Photosynthesis .mp4 (58.71MB)
239-239_Changing-the-rate-of-the-photosynthesis-r .mp4 (149.88MB)
24-024_What-is-a-pure-substance？ .mp4 (68.32MB)
240-240_The-reactions-in-film-photography .mp4 (105.28MB)
25-025_Does-purity-matter？ .mp4 (83.82MB)
26-026_How-can-you-tell-if-a-substance-is-pure？ .mp4 (97.67MB)
27-027_Separation：-the-first-step-in-obtaining-a .mp4 (105.72MB)
28-028_Separating-a-solid-from-a-liquid .mp4 (53.32MB)
29-029_By-crystallisation .mp4 (74.4MB)
3-_003_Some-evidence-for-particles .mp4 (111.82MB)
30-030_Separating-a-mixture-of-two-solids .mp4 (118.26MB)
31-031_By-evaporating-all-the-solvent .mp4 (58.04MB)
32-032_Simple-distillation .mp4 (46.54MB)
33-033_Fractional-distillation .mp4 (125.89MB)
34-034_Fractional-distillation-in-industry .mp4 (70.8MB)
35-035_Paper-chromatography .mp4 (129.67MB)
36-036_How-paper-chromatography-works .mp4 (72.97MB)
37-037_Making-use-of-paper-chromatography .mp4 (19.34MB)
38-038_Example：-Identify-substances-in-a-colourl .mp4 (240.75MB)
39-039_Atoms .mp4 (91.73MB)
4-_004_Diffusion .mp4 (38.23MB)
40-040_The-Elements .mp4 (63.62MB)
41-041_Symbols-for-the-elements .mp4 (49.34MB)
42-042_The-Periodic-Table .mp4 (214.32MB)
43-043_Protons，-neutrons，-and-electrons .mp4 (108.77MB)
44-044_How-the-particles-are-arranged .mp4 (62.56MB)
45-045_Proton-number .mp4 (32.2MB)
46-046_How-many-electrons？ .mp4 (31.88MB)
47-047_Nucleon-number .mp4 (52.99MB)
48-048_The-atoms-of-the-first-20-elements .mp4 (39.37MB)
49-049_How-to-identify-an-atom：-a-reminder .mp4 (12.47MB)
5-_005_So-what-are-these-particles？ .mp4 (82.72MB)
50-050_Isotopes .mp4 (76.85MB)
51-051_Some-isotopes-are-radioactive .mp4 (177.73MB)
52-052_Radiation-can-harm-you .mp4 (38.74MB)
53-053_Making-use-of-radioisotopes .mp4 (228.23MB)
54-054_Electron-shells .mp4 (94.39MB)
55-055_The-electron-shells-for-the-first-20-elem .mp4 (117.86MB)
56-056_Patterns-in-the-Periodic-Table .mp4 (117.86MB)
57-057_Group-0，-a-special-group .mp4 (44.55MB)
58-058_The-elements-after-calcium .mp4 (65.48MB)
59-059_Two-groups-of-elements .mp4 (27.45MB)
6-_006_Seeing-particles .mp4 (24.7MB)
60-060_What-is-the-difference-between-them？ .mp4 (173.29MB)
61-061_Exceptions-to-those-properties .mp4 (56.8MB)
62-062_Making-use-of-the-metals .mp4 (71.75MB)
63-063_Non-metals-are-everywhere .mp4 (76.68MB)
64-064_Elements：-a-reminder .mp4 (15.91MB)
65-065_Compounds .mp4 (93.15MB)
66-066_Compounds-and-mixtures：-the-difference .mp4 (143.57MB)
67-067_The-signs-of-a-chemical-change .mp4 (114.67MB)
68-068_It-is-different-from-physical-change .mp4 (60.14MB)
69-069_The-reaction-between-sodium-and-chlorine .mp4 (62.22MB)
7-_007_What's-the-difference？ .mp4 (42.48MB)
70-070_Why-do-atoms-form-bonds？ .mp4 (94.68MB)
71-071_How-sodium-atoms-gain-a-stable-outer-shel .mp4 (71.77MB)
72-072_How-chlorine-atoms-gain-a-stable-outer-sh .mp4 (39MB)
73-073_Ions .mp4 (21.93MB)
74-074_How-sodium-and-chlorine-atoms-bond-togeth .mp4 (70.61MB)
75-075_How-solid-sodium-chloride-is-formed .mp4 (106.31MB)
76-076_Other-ionic-compounds .mp4 (31.17MB)
77-077_Magnesium-oxide .mp4 (73.31MB)
78-078_Magnesium-chloride .mp4 (70.12MB)
79-079_Ions-of-the-first-twenty-elements .mp4 (97.25MB)
8-_008_Water：-solid，-liquid-and-gas .mp4 (80.86MB)
80-080_The-names-and-formulae-of-ionic-compounds .mp4 (101.03MB)
81-081_Some-metals-form-more-than-one-type-of-io .mp4 (80.63MB)
82-082_Compound-ions .mp4 (79.12MB)
83-083_Why-atoms-bond-a-reminder .mp4 (111.93MB)
84-084_Sharing-electrons .mp4 (42.28MB)
85-085_Hydrogen .mp4 (55.66MB)
86-086_The-bond-between-the-atoms .mp4 (45.26MB)
87-087_Molecules .mp4 (77.72MB)
88-088_Chlorine .mp4 (54.69MB)
89-089_Oxygen .mp4 (45.13MB)
9-_009_Other-things-can-change-state-too .mp4 (17.48MB)
90-090_Nitrogen .mp4 (38.06MB)
91-091_Covalent-compounds .mp4 (166.75MB)
92-092_The-shapes-of-the-molecules .mp4 (123.3MB)
93-093_More-examples-of-covalent-compounds .mp4 (152.99MB)
94-094_Remember .mp4 (26.35MB)
95-095_Comparing-the-structures-of-the-solids .mp4 (292.96MB)
96-096_The-properties-of-ionic-compounds .mp4 (153.7MB)
97-097_The-properties-of-covalent-compounds .mp4 (97.15MB)
98-098_Not-all-covalent-solids-are-molecular .mp4 (83.71MB)
99-099_Diamond-–-a-giant-covalent-structure .mp4 (137.11MB)
