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tankabanditka [31]
3 years ago
15

Im teaching myself chemistry and need a guide. anyone game?

Chemistry
1 answer:
strojnjashka [21]3 years ago
7 0
Which grade would u like to begin with? I can probably help with grade 9 Intro to Chemistry and Grade 10 Naming elements and compounds. That's all
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s-Block compounds give a characteristic flame colour in the flame test. Based on this, can you give one use of s-block compounds
Sophie [7]

Answer:

Lithium is used in making electrochemical cells.

3 0
3 years ago
V 2 O 5 + Cl 2  VOCl 3 + O 2
rosijanka [135]

Answer: 3.5 moles V2O5

Explanation: First balance the chemical equation to find the stoichiometric factor between VOCl3 and V2O5

2 V2O5 + 6 Cl2 => 4 VOCl3 + 7 O2

So the mole to mole ratio is 2 moles V2O5 to 4 moles of VOCl3

Solution

7 moles VOCl3 x 2 moles V2O5 / 4 moles VOCl3 = 3.5 moles V2O5

5 0
3 years ago
Compare the shape of a chemical signalling molecule and a receptor.
Andru [333]

Cell signalling is a process by which cells communicate with each other and transfer messages.

<h3>What is a receptor?</h3>

A molecule inside or on the surface of a cell binds to a specific substance and causes a specific effect in the cell.

Cell signalling is a process by which cells communicate with each other and transfer messages. When a signal molecule binds to a receptor protein, changes occur in the receptor proteins. Two changes are listed below:

1. The receptor protein undergoes conformational changes and acts as an enzyme.

2. The receptor protein that makes a second messenger molecule that leads the reaction further to other cells or molecules.

Learn more about the receptor here:

brainly.com/question/6438216

#SPJ1

6 0
2 years ago
How many electrons should be assigned in the configuration for potassium (atomic number = 19)?
goldenfox [79]
I believe the answer is c 19
5 0
4 years ago
All animals need oxygen gas (O2) for their primary cellular-level functioning. Inside the cell, O2 is split apart into oxygen at
il63 [147K]

Answer:

H₂O (water)

Explanation:

The reaction given is the glucose combustion inside the cells. During the combustion, it will be formed carbonic gas, water and energy.

The oxygen molecule is split in their two atoms of O. The element which has 1 proton and 1 electron is the hydrogen (H). So, when hydrogen reacts with oxygen, they form water (H₂O).

6 0
3 years ago
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