結果 : the gas lighter or heavier than air
4:52

Lighter and heavier than air gases

Imagination Station Toledo
28,788 回視聴 - 12 年前
4:18

Flammable Vapors - heavier and lighter than air

Carl Nelson
22,041 回視聴 - 11 年前
2:25

Is Carbon monoxide heavier than air?

Wayne Breslyn
5,089 回視聴 - 3 年前
11:11

How to know gases that are heavier or lighter than Air #gasweight

Brian Academy Science Channel
246 回視聴 - 2 年前
2:24

This Boat Floats On Air! | Xploration DIY SCI

Da Vinci
73,574 回視聴 - 5 年前
1:50

The Density of Gases

Berean Builders
31,603 回視聴 - 7 年前
0:17

Propane, heavier than air

singmans
4,477 回視聴 - 14 年前
0:26

Is natural gas heavier than air?

Ask & Answered
39 回視聴 - 5 か月前
0:38

Is carbon monoxide heavier or lighter than air?

Question Time
72 回視聴 - 9 か月前

-
14:15

Easy way to know gases that are heavier or lighter than air.1st Chem.Tutorial

SirMajesty Easyworld Science Channel
4,272 回視聴 - 5 年前
1:44

Simple Science Experiment | Co2 is heavier than Air | Demonstration

Champak World
47,066 回視聴 - 10 年前
1:12

Co2 is heavier than air

overanalyzer1
16,313 回視聴 - 11 年前
1:19

Heavier than Air Fuel Vapor Behavior

firesciencetools .com
1,968 回視聴 - 12 年前
1:20

Gasoline vapors are heavier than air - demonstration

M Miller
1,544 回視聴 - 7 年前
4:46

Which of the following gases is/are heavier than dry air?

Doubtnut
135 回視聴 - 4 年前
3:56

Why does ice float in water? - George Zaidan and Charles Morton

TED-Ed
1,811,531 回視聴 - 10 年前
7:06

Is humid air lighter or heavier than dry air?

Zeinab Harajli
77 回視聴 - 3 年前
5:59

Carbon Dioxide CO2 is Heavier than Air Demonstration

thenewsurvivalist
54,689 回視聴 - 12 年前
4:37

Speak Like Darth Vader with Sulfur Hexafluoride

Imagination Station Toledo
13,966,925 回視聴 - 9 年前
1:16

Chemistry Revision - Collecting Gas over water

Martin Godber
114,198 回視聴 - 11 年前