0:55 Introduction 1:49 History 3:22 Atoms 4:58 Law of Chemical Combination 7:55 Activity 3.1 9:08 Question 1 10:14 Question 2 11:21 Question 3 12:48 Law of Constant Proportion 16:46 Question 4 19:04 Dalton's Atomic Theroy 26:05 Modern Day Symbols of Elements 29:21 IUPAC name of some elements 29:53 20 Elements 32:14 Atomic Mass Definition 36:07 Atomic Mass 39:12 Atomic Existence 41:20 Ions 45:05 Molecules 49:02 Atomicity 58:54 Question 7 1:15:09 Question 8 1:17:24 Question 9 1:18:50 Question 10 1:19:32 Mole Concept 1:21:12 Molar Mass 1:22:43 Formulae 1:24:34 Top 5 Questions 🎉 OMG Thx u so much for 2k likes its really unbelievable😍
54:43 aluminium sulphate Atomicity will be 2 atoms of al 1atom of S 4 atom of O Now 1+4 = 5 So 5*3= 15 Now add 2 + 15 = 17 So the atomicity of aluminium sulphate is 17
0:55 Introduction 1:49 History 3:22 Atoms 4:58 Law of Chemical Combination 7:55 Activity 3.1 9:08 Question 1 10:14 Question 2 11:21 Question 3 12:48 Law of Constant Proportion 16:46 Question 4 19:04 Dalton's Atomic Theroy 26:05 Modern Day Symbols of Elements 29:21 IUPAC name of some elements 29:53 20 Elements 32:14 Atomic Mass Definition 36:07 Atomic Mass 39:12 Atomic Existence 41:20 Ions 45:05 Molecules 49:02 Atomicity 1:15:09 Question 7 1:17:24 Question 8 1:18:50 Question 9 1:19:32 Mole Concept 1:21:12 Molar Mass 1:22:43 Formulae 1:24:34 Top 5 Questions
1:28:39 Both assertion and reason are incorrect. We have already discussed the limitations to the law of constant proportion, so no, water molecule doesn't **always** contain hydrogen and oxygen in the ratio 1:8. Also, no, the source decides whether the water molecule follows the law of constant proportion or not. The 3 isotopes of hydrogen act as different sources, and they don't follow the law of constant proportion.
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Atomicity of aluminium sulphate so Here al =2 (SO4)³so here S=1 ,O=4 now add this we get 5 now multiple it with 3 as there is 3 5×3 =15 now Al = 2 now add it 15+2 = 17 So the answer is 17 Twq prashant bhaiyaa n have a great day everyone ❣️👀
( 54:48 )The atomicity of ALUMINIUM SULPHATE (Al2(SO4)3) is 17 because one S and 4O's will be 5 , which then will be multiplied by 3 i.e 15 and in addition to that 2Al atoms, i.e 15+2=17....
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26:34 Einstein once said that when we sit with a pretty girl for an hour it look a min, but when we sit on hot stove for a min it look an hour. Btw your lecture is op bore hui he nahi!
54:59 atomicity of aluminium sulphate is 17 as Al is 1 element and since Al² its 1*2=2 , in SO4 - S is 1 and O4 means 4 and total is 5 and since so4³ its 5*3=15. Since al2 is 2 and so4*3 is 15, ans is 15+2=17
26:30 Bhaiya 🥰 The quote you've told of is often attributed to Albert Einstein, not Isaac Newton.😶🌫️ Einstein supposedly explained relativity by saying something like, "When you sit with a nice girl for two hours, it seems like a minute. But when you sit on a hot stove for a minute, it seems like two hours." 😊by the way your teaching style is awesome ❤
@@govindramgarh636 nahi bhai mene bhi yhi glti kri thi, tum A ko bhi add krre hoge but dhyan se dekho wo Al h matlab alluminium, usko ek sath 2 hi maanenge na ki A ko alg se 1...
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*Question Al2 (So4)3 *
solution
Al=2
S ×3. 1×3=3
O=4 4×3=12
2+3+17=17
0:55 Introduction
1:49 History
3:22 Atoms
4:58 Law of Chemical Combination
7:55 Activity 3.1
9:08 Question 1
10:14 Question 2
11:21 Question 3
12:48 Law of Constant Proportion
16:46 Question 4
19:04 Dalton's Atomic Theroy
26:05 Modern Day Symbols of Elements
29:21 IUPAC name of some elements
29:53 20 Elements
32:14 Atomic Mass Definition
36:07 Atomic Mass
39:12 Atomic Existence
41:20 Ions
45:05 Molecules
49:02 Atomicity
58:54 Question 7
1:15:09 Question 8
1:17:24 Question 9
1:18:50 Question 10
1:19:32 Mole Concept
1:21:12 Molar Mass
1:22:43 Formulae
1:24:34 Top 5 Questions
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59:13
The molecular mass of NH3 was 17u because:-
N= nitrogen=14
H = hydrogen= 1
So,
14+1×3
= 14 + 3
=17u
Right bro😊
Bhai 1×3 =1😅
Bhai 3 × 1 = 3 😂👍🏻
@@tanvisharma3757 but Bhai 1 × 3 hai
@aryanverma155-i4i bruh 1x3=3
Ye cube nhi pucha hai (1)³=1
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Molecular mass of C6H12O6
Atomic mass of Carbon is=12X6=72
Atomic mass of Hydrogen =1x12=12
Atomic mass of Oxygen is=16x6=96
Plus all atomic mass =180
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54:43 aluminium sulphate
Atomicity will be
2 atoms of al
1atom of S
4 atom of O
Now 1+4 = 5
So 5*3= 15
Now add 2 + 15 = 17
So the atomicity of aluminium sulphate is 17
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54:50
Aluminium= 2
Sulphur= 1
Oxygen=4
(So4= 1+4=5)
(So4)3=15
Now.
2 + 15 = 17
Yes it is
Bhojpuri
54:47 17 is the the answer
Wrong because atomicity of sulpher is 8
No आईटी इस करेक्ट
Bhaiya 26:32 shri shri shri Newton baba ne nhi balki shri shri shri Einstein baba ne kaha tha (chapter 4- A Truly Beautiful Mind, English) 😅
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Atomicity of Al₂(SO₄)₃ = 17
Aluminium = 2, Sulphur = 3, Oxygen = 4x3= 12
12+3+2=17
u r right 55:10
0:55 Introduction
1:49 History
3:22 Atoms
4:58 Law of Chemical Combination
7:55 Activity 3.1
9:08 Question 1
10:14 Question 2
11:21 Question 3
12:48 Law of Constant Proportion
16:46 Question 4
19:04 Dalton's Atomic Theroy
26:05 Modern Day Symbols of Elements
29:21 IUPAC name of some elements
29:53 20 Elements
32:14 Atomic Mass Definition
36:07 Atomic Mass
39:12 Atomic Existence
41:20 Ions
45:05 Molecules
49:02 Atomicity
1:15:09 Question 7
1:17:24 Question 8
1:18:50 Question 9
1:19:32 Mole Concept
1:21:12 Molar Mass
1:22:43 Formulae
1:24:34 Top 5 Questions
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Aluminum sulphate (Al2(SO4) 3
Atomicity - 17
Bcoz Al-2 ,S-1×3 O-4 ×3
2+3+12 = 17 ans.
54:52
Aluminium sulphate atomicity=17
2 of aluminium,3 of sulphur and 12 of oxygen.
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1:00:38 1 ka answer 17 hoga nitrogen ka. 14 aur hydrogen 3
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Aluminum = 2
Sulphar = 1
Oxygen = 4
(Sulphar + oxygen)×3
(1+4)×3
5×3
15
15 + aluminum
15 + 2
17 ans.
Yss same😊
Me too
it is sulphur not sulphar
17
Same here right answer hai
54:45
Al = 2
SO = (8 + 4) x 3 = 42
2+42=44
Atomicity of (Al2(SO4)3) = 44
Sis do you have exam tomorrow
Structure of the atom
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54:45 answer is 17
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1:28:39 Both assertion and reason are incorrect. We have already discussed the limitations to the law of constant proportion, so no, water molecule doesn't **always** contain hydrogen and oxygen in the ratio 1:8.
Also, no, the source decides whether the water molecule follows the law of constant proportion or not. The 3 isotopes of hydrogen act as different sources, and they don't follow the law of constant proportion.
Thanks for this I want this very much.
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Al =2
Oxygen atomicity is O2 or O3 So, SO is combined atom = (4)3 =12
2+12 =14
1:33:02 Crystal clear 😀
26:37- Bhaiya this line is stated by Albert Einstein not Newton
Bhaiya your father is not male , he is gay
Atomicity of aluminium sulphate so
Here al =2
(SO4)³so here S=1 ,O=4 now add this we get 5 now multiple it with 3 as there is 3
5×3 =15 now Al = 2 now add it
15+2 = 17
So the answer is 17
Twq prashant bhaiyaa n have a great day everyone ❣️👀
Same
Right
54:54
ans => 17
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( 54:48 )The atomicity of ALUMINIUM SULPHATE (Al2(SO4)3) is 17 because one S and 4O's will be 5 , which then will be multiplied by 3 i.e 15 and in addition to that 2Al atoms, i.e 15+2=17....
u wrote the wrong thing but got the correct answer, and thats what matters. good job👍
Right answer bro❤
Nice work brother
I Have a doubt ,my answer was also 17 first but isn't sulphur has 8 atoms?
Yes aluminium sulphate atomicity 17
59:19 bhaiya Ammonia (NH3) ka molecular mass aapne galat bataya ans 17u hoga {N ka atomic mass 14 hoga}
ha me bhi whi dekh rha tha
Haan
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Ammonia's molecular mass would be 17 right as N is 14 and H3 is 3 so 14+3 = 17
59:20
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correct answer is 70 not 17
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The line "Backbencher ka idea to hota hi khatarnaak hai" was 😅 28:09
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𝙋𝙖𝙧 𝙨𝙞𝙧 𝙣𝙚 𝙜𝙖𝙡𝙖𝙩 𝙗𝙤𝙤𝙠 📕𝙨𝙚 𝙥𝙖𝙙 𝙡𝙞𝙮𝙖 𝙜𝙖𝙡𝙩𝙯 𝙝𝙖𝙞 😅 😂 𝙗𝙚𝙘𝙖𝙪𝙨𝙚 𝙨𝙞𝙧 𝙖𝙡𝙗𝙚𝙧𝙩 𝙘𝙝𝙖𝙘𝙝𝙖 𝙠𝙤 𝙣𝙚𝙬𝙩𝙤𝙣 𝙠𝙖𝙝 𝙧𝙝𝙚 𝙝𝙖𝙞 😒😂
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26:34 Einstein once said that when we sit with a pretty girl for an hour it look a min, but when we sit on hot stove for a min it look an hour. Btw your lecture is op bore hui he nahi!
Bhaiya , improvement in food resources
Bhaiya , improvement in food resources
Bhaiya, improvement in food resources
Bhaiya, improvement in food resources
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54:59 atomicity of aluminium sulphate is 17 as Al is 1 element and since Al² its 1*2=2 , in SO4 - S is 1 and O4 means 4 and total is 5 and since so4³ its 5*3=15. Since al2 is 2 and so4*3 is 15, ans is 15+2=17
Same , this answer is right
17
But SO is sulfur monoxide?
1:22:44
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1:12:18 gurman
Bhaiya, please make video on " STRUCTURE OF ATOM "
31:59 kaju katli (triggered insaan)❤😂
Exactly!
I also thought the same.. 🤌🏻✨
26:33 Albert Einstein said these words
What Einstein said?
Einstein said raghav ka baap chakka hai?😂
Ha english ki book mein ek chapter tha 😅
26:43 Albert Einstein
26:30 Bhaiya 🥰
The quote you've told of is often attributed to Albert Einstein, not Isaac Newton.😶🌫️ Einstein supposedly explained relativity by saying something like, "When you sit with a nice girl for two hours, it seems like a minute. But when you sit on a hot stove for a minute, it seems like two hours."
😊by the way your teaching style is awesome ❤
Improvement in food resources, bhayia please 😢🙏
Yes bhaiya
Yes bhaiya
Nahi bhai Work and energy
@@aniketkumar07 yrr mujhe tu sare class 9 ka science ka chapter chayiye 😢
Vote for (Improvement in Food Resources)🙏🏻👇👇
1:24:32 ha bhaiya chahiya 😢😢😢😢😢😢😢😢😢😢😢😢 1:24:48 1:24:48 1:24:48 😢😢😢😢😢😢❤❤❤😢😢❤😢😢❤😢❤😢❤😢❤😢❤😢❤😢❤😢❤
37:34 thala for a reason
Vote for atomic mass
Hiii how are you?
54:48 Aluminum Sulphate Atomicity
Al=2
S=3×1=3
O=3×4=12
Atomicity=17
18 hai
17 correct
Yes it's 17
Yes 💯
@@govindramgarh636 nahi bhai mene bhi yhi glti kri thi, tum A ko bhi add krre hoge but dhyan se dekho wo Al h matlab alluminium, usko ek sath 2 hi maanenge na ki A ko alg se 1...
5:37 Waah wah 😂
Bhaiya 26:52 par ye baat Albert Enistein ne bole thi, Eng lit ki book me padha tha Ch - A Truly Beautiful Mind me
Ha maine bhe
Haan
Haa😂 vahi soch rha tha
Fir socha ki dono bhai hi aiise hai😂
Yes maine bhi yahi socha tha ❤❤
Yes maine bhi yhi socha chlo kisi ne to comment me likha 😅