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Bezzdna [24]
3 years ago
10

Please help meee with this question

Chemistry
2 answers:
tiny-mole [99]3 years ago
5 0

Osmosis is the diffusion of water from a high concentration to a lower concentration

matrenka [14]3 years ago
3 0
Osmosis is the diffusion of water from a high concentration to a lower concentration
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Why is sodium more reactive than lithium​
Elis [28]

Answer:

Sodium is more reactive than lithium because as we move down a group it is easy to lose electrons as the number of shells increases and nuclear charge decreases. As valence electrons take part in chemical reaction and its easier to lose electrons as we move down a group chemical reactivity increases. Therefore, sodium is more reactive than lithium.

Explanation:

I gotcha I searched it up

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3 years ago
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QUESTION 1. Which of the following is not an example of a polymer?
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I believe it's C. Amino acid is a monomer not a polymer. Q2 is B. Q3 I believe is A. Q4 is D.
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3 years ago
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Which is the balanced chemical equation representing the reaction between
Citrus2011 [14]

Answer:

The correct option is OA.

C2H4O2 + NaHCO3 - NaC2H302 + H2O + CO2

Explanation:

To solve this you have to check the number of elements in both sides of the equation.

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3 years ago
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what is the formula equation for the reaction between sulfuric acid and dissolved sodium hydroxide if all products and reactants
Rama09 [41]
This reaction would produce salt and water- Sodium Sulphate and Water.

H₂SO₄ + 2NaOH  →  Na₂SO₄ +  2H₂O
4 0
3 years ago
How many molecules are there in 560 grams of CoCl2?​
Marrrta [24]

Answer:

25.89  × 10²³ molecules

Explanation:

Given data:

Mass of CoCl₂ = 560 g

Number of molecules present = ?

Solution:

Number of moles of CoCl₂:

Number of moles = mass/molar mass

Number of moles = 560 g/ 129.84 g/mol

Number of moles = 4.3 mol

Avogadro number:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ molecules

4.3 mol ×  6.022 × 10²³ molecules /1 mol

25.89  × 10²³ molecules

5 0
2 years ago
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