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Paul [167]
3 years ago
7

On brainly, how can I stop chemistry from popping up on my brainly home page. I only need this for math and thats how I want it.

Chemistry
2 answers:
Sati [7]3 years ago
8 0
<h3>Hello there i hope you are having a great day your question : On brainly, how can I stop chemistry from popping up on my brainly home page. I only need this for math and that how I want it?</h3><h3>pictures are shown below hope that helps you ❤ </h3>

dimulka [17.4K]3 years ago
4 0

Answer:

Go to the top left and you will see ur subject

Explanation:

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Select all that apply.
MakcuM [25]

Answer:

A telescope, printing press, and microscope

Explanation:

8 0
3 years ago
What geometric shape is the carbon dioxide molecule? The Lewis structure for CO2 contains two double bonds.
adelina 88 [10]
Answer: Linear

Explaination: The central atom of a carbon dioxide molecule is carbon. Carbon is tetravalent which just means it has 4 valence electrons. Because the valence shell isn’t full, the carbon atom can bond with other atoms creating a total of 4 bonds. This then allows the carbon to double bond with 2 oxygen atoms. Now, the atoms in the CO2 molecule Don’t share the electrons evenly because of atomic number or proton count. Because oxygen has an atomic number of 6, carbon has an atomic number of 4, and opposites attract (referring to the positivity of the nucleus and the negativity of the shared electrons), the oxygen atoms will have a slightly negative charge (-) and the oxygen will have a slightly positive charge (+ ). Therefore, the slightly negative oxygen atoms repel creating that linear shape.

7 0
3 years ago
In support of the Thirteenth Amendment, President Lincoln argued that
Zolol [24]

Answer:

Should be made illegal

Explanation:

Answer on Edge2020

8 0
3 years ago
Read 2 more answers
The graph shows the potential energy diagram for an unknown chemical change.
bazaltina [42]

Based on the energy usage shown by the graph, the best option for the chemical change represented is the combustion of iron.

<h3>What chemical change is shown by the graph?</h3>

The combustion of iron in oxygen leads to the formation of Iron (III) oxide in solid form.

For the combustion of iron to happen, a lot of heat has to be applied to the iron which is why the potential energy of reactants is high. As the reaction progresses, the energy needed reduces as iron (III) oxide is formed.

Find out more on Iron (III) oxide at brainly.com/question/11885810.

5 0
2 years ago
Which statement is a description of a chemical reaction?
zzz [600]
An explosion is the only chemical reaction here- it would completely change the substance whereas with the others- every substance has a solid liquid and gas form so they would still be the same substance
7 0
3 years ago
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