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shepuryov [24]
3 years ago
13

Question 7

Chemistry
2 answers:
zavuch27 [327]3 years ago
8 0

Answer:

d

Explanation:

check if one element replaces another element in a compound

Svet_ta [14]3 years ago
7 0

Answer:

Check if the ions of two compounds exchange places.

Explanation:

The definition of single replacement is a reaction when an ion replaces another ion, thus the name.

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Kichi made a table to identify where she might find acids and bases in her house based on their common uses.
sineoko [7]

The answer is: Ammonium hydroxide would be found in the pantry because it is found in vinegar.

Ammonim hydroxide (NH₄OH) is base and vinegar is acid.

pH of ammonium hydroxide is greater than 7 and vinegar has pH less than 7.

Ammonium hydroxide is a smelling, colorless liquid.

It is used as cleaning product, disinfectants and stain treaters.

Household ammonia contains 5-10% ammonium hydroxide.

5 0
3 years ago
Read 2 more answers
At stp potassium is classified as?
vekshin1
At STP, potassium is classified as a solid specifically a metallic solid. At these conditions, the element is neither a molecular solid nor an ionic solid since both needs electron movement. Potassium exists in its metallic form. Hope this answers the question.
5 0
3 years ago
Explain why sharpening a pencil is a different type of physical change it freezing water to make ice cubes
laila [671]
Because you can't make the pencil go back to normal form
8 0
4 years ago
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What is the mass of 4.70 mol H2O? Answer in units of g.
Blizzard [7]

Answer:

4.70 moles of water have mass of 84.6g

Explanation:

Given data:

Number of moles of water = 4.70 mol

Mass in gram = ?

Solution:

Formula:

Mass = number of moles × molar mass

Molar mass of water is 18 g/mol

Mass = 4.70 mol × 18 g/mol

Mass = 84.6 g

Thus, 4.70 moles of water have mass of 84.6g.

8 0
3 years ago
1. How does adding energy to a solid affect the motion of the particles? 2. How can a gas at room temperature (like oxygen) beco
Oksanka [162]
I am not sure sorry
6 0
4 years ago
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