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stiv31 [10]
3 years ago
11

PLEASEEE HELPPP!!!!!!

Chemistry
2 answers:
chubhunter [2.5K]3 years ago
5 0

Answer:

A

Explanation:

Cs has a higher rate of reaction because it's easier to remove an electron from it, thereby leading to faster reactivity

Sidana [21]3 years ago
5 0

Answer:

It's A but can i have brainliest pls i kinda need it

Explanation:

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Please answer the question circled in red
ki77a [65]

Answer:

i need more info bro

Explanation:

5 0
3 years ago
Read 2 more answers
hich of the following statements is not true for an exothermic reaction? Question 2 options: The products have a higher heat con
yKpoI14uk [10]

Answer:

An exothermic process releases heat, causing the temperature of the immediate surroundings to rise. An endothermic process absorbs heat and cools the surroundings.

3 0
4 years ago
Which of the following elements does not form a diatomic molecule?
gladu [14]

Answer:

C

Explanation:

Neon is a noble gas, which is monoatomic.

6 0
3 years ago
1. Name the compound present in a sample of dry air.
aev [14]

Answer:

not air

Explanation:

I think so

hahaha

7 0
2 years ago
B) Quelle est la masse de tétraoxyde de trifer (Fe3O4) produite si 3,60 moles de trioxyde de
hram777 [196]

Answer:

626,4 g de Fe₃O₄

Explanation:

Nous commencerons par écrire l'équation équilibrée de la réaction entre le fer (Fe) et le trioxyde d'aluminium. Ceci est donné ci-dessous:

9Fe + 4Al₂O₃ -> 3Fe₃O₄ + 8Al

De l'équation équilibrée ci-dessus,

4 moles d'Al₂O₃ ont réagi pour produire 3 moles de Fe₃O₄.

Par conséquent, 3,6 moles d'Al₂O₃ réagiront pour produire = (3,6 × 3) / 4 = 2,7 moles de Fe₃O₄

Ainsi, 2,7 moles de Fe₃O₄ sont produites à partir de la réaction.

Enfin, nous déterminerons la masse massique de Fe₃O₄ produite par la réaction. Ceci peut être obtenu comme suit:

Mole de Fe₃O₄ = 2,7 moles

Masse molaire de Fe₃O₄ = (3 × 56) + (4 × 16)

= 168 + 64

= 232 g / mol

Masse de Fe₃O₄ =?

Mole = masse / masse molaire

2,7 = Masse de Fe₃O₄ / 232

Croiser multiplier

Masse de Fe₃O₄ = 2,7 × 232

Masse de Fe₃O₄ = 626,4 g

Par conséquent, 626,4 g de Fe₃O₄ sont produits à partir de la réaction

7 0
3 years ago
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