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GrogVix [38]
3 years ago
13

What is cell theory and why is it important

Chemistry
1 answer:
IceJOKER [234]3 years ago
5 0
Cells are the basic unit of structure in all organisms and also the basic unit of reproduction.

What is the this (^ that up there) a description of?
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An element is a mixture of two isotopes.one isotope has an atomic mass of 34.969 amu and an abundance of 64.88
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An element is a mixture of two isotopes. One isotope has an atomic mass of 34.969 amu and an abundance of 64.88%. The other isotope has an atomic mass 36.966 amu.


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Which of the following pairs consists of a weak acid and a strong base? (1 point)
notka56 [123]

Answer:

acetic acid, sodium hydroxide

Explanation:

A strong acid is an acid that ionizes in water to give all its hydrogen ion. Weak acid only ionize to a certain degree. Acetic acid (CH3COOH) only ionize to give one hydrogen ion despite having other hydrogen atom. This account for its weak nature as an acid as shown below:

CH3COOH <=> H^+ + CH3COO^-

A strong base is a base that ionizes in water to give all it hydroxide ion. Sodium hydroxide(NaOH) ionizes to give all its hydroxide ions. This make it a strong base as shown below;

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8 0
3 years ago
8. __H2 + __O2-&gt; __H2O
Rus_ich [418]

Anser:

Explanation:

hope this helps

8 0
2 years ago
What is the relationship between reaction rate and reaction time
Natali [406]

Answer:

The reaction rate is inversely proportional to the reaction time.

Explanation:

  • The reaction rate is the change of the concentration of reactants and products with the time.

<em>∵ Reaction rate = - Δ[reactants]/Δt = Δ[products]/Δt.</em>

<em>∴ The reaction rate is inversely proportional to the time, as the reaction rate increases it will take a lower time.</em>

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