Scientists Arena π
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A community for all Scientistsβ , Encouraging inter-disciplinary scientific knowledge β , Scientific Integration β Affiliate; @edsciencelab
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Channel Posts
| 2 | *π Join the Scientists Arena WhatsApp Channel! π*
Weβre excited to announce that Scientists Arena will officially launch its WhatsApp Channel on 1st December! π
This is your chance to connect with a community of like-minded students, professionals, and researchers, with access to valuable resources ranging from JAMB past questions to university-level notes and assignments across various fields. πβ¨
Donβt miss outβclick the link to join and stay updated: [ https://whatsapp.com/channel/0029Va9Cyub7YSd5eYi6Ge2W ]
Looking forward to having you on board! π‘π
Warm regards,
Scientists Arena | 225 |
| 3 | π Hello Scholars,
Scientists Arena has created specialized groups tailored just for you! We now have dedicated teams for Medical Sciences π©Ί and Engineering π οΈ, as well as a group for SSCE/JAMB 2025 candidates π. To ensure you get the most relevant content and opportunities, please join the group that aligns with your field of study:
- Medical Sciences Team: [π https://chat.whatsapp.com/IhemuGWoiQbLi722K6tlB6 ]
- Engineering Team: [π https://chat.whatsapp.com/CdKI2qBeu1z24p6cnlQ1Og ]
- SSCE/JAMB 2025 Group: [π https://chat.whatsapp.com/E8zm8kVWAbAAihNuyF4I1t ]
We're officially launching the Team groups on Monday, 15th February ποΈ, and the SSCE/JAMB group in October. Invite your friends to join too; let's build a strong, focused community together! πͺ
Our Channel: https://whatsapp.com/channel/0029Va9Cyub7YSd5eYi6Ge2W
Looking forward to seeing you in the right group!
Best regards,
Scientists Arena Team π | 393 |
| 4 | https://discord.com/invite/sFFkRGn7 | 420 |
| 5 | Unlock Your Digital Potential!
Join our *FREE* Digital Skill Workshop and master essential tools in *Graphic Design, Video Editing, and 3D Animation*βall using just your smartphone!
Boost your creativity. Learn. Create. Earn.
Register now: https://chat.whatsapp.com/JQo6GcNOD7H375kz3SBoPI | 572 |
| 6 | https://youtu.be/0YXRgYpXLO0?si=BOyY5AXNRk-rO0oc | 610 |
| 7 | https://youtu.be/bRO3tgRjrL4 | 639 |
| 8 | Good morning Esteemed Scholars π
Today's Video has been uploaded, link below π
https://youtu.be/D8qnbcXPf-Q
Kindly Watch, Like, Share & Comment | 632 |
| 9 | Our most interesting videos are now being released π₯π₯
Check this out : https://youtu.be/gbxaThU5BXY?si=GsD1xAh9aAt6a4R5
Watch, like & commentπ€ | 548 |
| 10 | Latest video :
https://youtu.be/U3nxos4ynnM?si=dAOxAR57mc9wgM3X
Branches you've not heard of π€§ | 698 |
| 11 |  A lobster's brain is located in its throat, its nervous system in its abdomen, its teeth in its stomach and its kidneys in its head. It also hears using its legs, tastes with its feet, and tends to favor one front limb, meaning they can be right-clawed or left-clawed. | 724 |
| 12 | β οΈ NOTE:
π Water gas & Synthesis gas are both a mixture of carbon (II) oxide and hydrogen (in different proportions)
π Water gas is formed when steam reacts with red-hot coke
π Synthesis gas is formed when steam reacts with methane | 730 |
| 13 |  No text... | 634 |
| 14 | π» From methane gas: this reaction is similar to the Bosch process, the only difference is that in place of passing steam over red-hot coke, steam is made to react with methane.
So the first step would be thus; | 607 |
| 15 | The carbon (IV) oxide is then removed from the mixture by dissolving it in water (under a pressure of 30 atmospheres) or other solvents such as caustic soda solution | 547 |
| 16 | β»οΈ Industrial Preparation of Hydrogen
π» From water gas (Bosch process): this reaction process takes place in two(2) steps;
Step I: steam is passed over red-hot coke(carbon) at about 1200β°C, a mixture of carbon (II) oxide & hydrogen [known as water gas] is formed. This step of the reaction is endothermic as a large amount of heat energy is required for the reaction.
Step II: excess steam is then mixed with water gas and passed over a catalyst at about 450β°C. The catalyst may either be [ iron (III) oxide or chromium (III) oxide ]. More hydrogen is formed from this step and the reaction is exothermic at this step. | 576 |
| 17 | β»οΈ Methods of Preparation
The three methods commonly used for the preparation of hydrogen in the laboratory are as follows;
π» Action of Zinc on an acid: dilute HCl or HβSOβ attacks metallic zinc with the liberation of hydrogen gas. No heating is necessary
Zn + 2HCl ---> ZnClβ + Hβ
π» Action of sodium on cold water: sodium pieces when added to water liberates hydrogen. The water must be cold because the reaction is vigorous. Sodium is used instead of potassium (which is more reactive) to prevent explosions
2Na + 2HβO ---> 2NaOH + Hβ
π» Action of iron on steam: iron when red hot liberates hydrogen from steam. The reaction is reversible & iron (II) diiron (III) oxide [FeβOβ] is liberated at the same time.
3Fe + 4HβO ---> FeβOβ + 4Hβ | 431 |
| 18 | π° HYDROGEN ( Hβ)
π»Introduction:
Hydrogen is naturally found in the gaseous state in air, combined state in water and the earth crust.
πIt has electronic configuration thus;
Hβ = 1sΒΉ
It has 1 proton, 1 electron and 0 neutrons.
π It has oxidation state of +1 in most compounds except hydrides where it's oxidation state is -1
π Hydrogen was discovered by a scientist called Cavendish, however; it was named "hydrogen" by another scientist called Lavoisier
(He called the gas hydrogen because it burns in oxygen to form water; hence; water former)
π Lastly, hydrogen is the most abundant element in the universe
Type "I am with youπ₯" if you're following | 379 |
| 19 | π General properties of the transition element
π transition metals may be defined as an element with partially filled d orbitals
πthe first series is found in period 4 ,the atoms of these metals have one or two electron in the 4s orbital and partially filled 3d orbital
π transition metals have few properties in common with the s block metals but they are remarkably similar among themselves
πin the transition metals the 3d and 4s electron contribute to the metallic bonding in the crystal lattice of the metals .this makes them stronger and harder with higher melting points than the s block metals
π | 531 |
| 20 |  FREE POST-UTME CLASS FOR SCIENCE STUDENTS βΌοΈ
Unique Minds Online Tutorials presents a FREE online tutorial
Don't miss this fantastic opportunity to boost your confidence and performance!
When: June 16th - 21st
Where: WhatsApp
Who: Science students from ALL INSTITUTIONS
What to expect: πInteractive sessions, mock tests, mentorship, and more!
Join us and ace your Post-UTME exams! πͺ
*CLICK ON THE LINK TO GET STARTED:*
https://wa.link/u9ggwk | 424 |
