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Molodets [167]
3 years ago
6

A catalyst is: one answer only pls help lol

Chemistry
2 answers:
lora16 [44]3 years ago
8 0

Answer:

the second one

Explanation:

it makes the most sense

natka813 [3]3 years ago
3 0
A catalyst is a substance that speeds up a chemical reaction.
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Identify each of the following solids as molecular, ionic, or atomic.
Kisachek [45]

Answer :

(A) Br₂ (s) : molecular solids

(B) AgCl (s) : ionic solids

(C) S (s) : atomic solids

(D) CH₄ (s) : molecular solids

Explanation :

Molecular solids : It is defined as the solids in which they are held together by covalent forces, dipole interactions as attractive forces etc.

Ionic solids : It is defined as the solids in which the atoms composed with oppositely charged ions.

Atomic solids : It is defined as the solids in which the molecules are held together by covalent forces and also includes pure substance.

(A) Br₂ (s)

It is molecular solids because they are held together by covalent forces.

(B) AgCl (s)

It is ionic solids because in this atoms composed with oppositely charged ions.

(C) S (s)

It is atomic solids because it is a pure substance.

(D) CH₄ (s)

It is molecular solids because they are held together by covalent forces.

7 0
3 years ago
You are given two fatlike solid substances and determine that sample a has a higher melting point than sample
Alchen [17]
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5 0
3 years ago
The Earth’s atmosphere is divided into five layers. In which layer does all life exist?
n200080 [17]

Answer:

1. troposphere

2. less dense/decreases

3. ozone

4. nitrogen

5. xylem

6. flagellum

7. kingdom fungi

8. Ocean convection currents

9. As they fly, insects spread pollen that sticks to their bodies from the flowers.

10. the plastic handle, because it is a good insulator.

11. The hyphae, or feeding structures, reach deep into the wood to obtain nutrients

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5 0
3 years ago
I SUCK AT SCIENCE SO HERE
densk [106]
When I was on the phone with my bio teacher I asked she said endothermic
3 0
3 years ago
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The oxidation number of all the element in free state is 0​
Art [367]

Answer:

Zero-Nine

Explanation:

this is becasue these numbers are rather small and if you plug these numbers into an equation you will most likely get 0.

8 0
3 years ago
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