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Andrei [34K]
3 years ago
13

There pls help it’s due in 5 minutes!! Thanks if you do!

Chemistry
1 answer:
sergey [27]3 years ago
7 0

Explanation:

well when you heat ice the individual molecules gain kinetic energy. but until the temperature reaches it's melting point they don't have the energy to break bonds and hold their crystal structure. So, the temperature remains constant until the ice has melted. Hope this helped. Good luck on your project!

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A farmer has a large field with one type of
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Answer:

Disagree

Explanation:

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6 0
3 years ago
5. 16.3 g of NaCl is dissolved in water to make 1.75 L of solution. What is the molarity of this solution? A 0.159 M B 0.278 M C
ira [324]

Answer: The molarity of this solution is 0.159 M.

Explanation:

Given: Mass of solute = 16.3 g

Volume = 1.75 L

Number of moles is defined as the mass of substance divided by its molar mass.

Hence, moles of NaCl (molar mass = 58.44 g/mol) ar calculated as follows.

Moles = \frac{mass}{molar mass}\\= \frac{16.3 g}{58.44 g/mol}\\= 0.278 mol

Molarity is the number of moles of a substance present in a liter of solution.

So, molarity of the given solution is calculated as follows.

Molarity = \frac{no. of moles}{Volume (in L)}\\= \frac{0.278 mol}{1.75}\\= 0.159 M

Thus, we can conclude that the molarity of this solution is 0.159 M.

5 0
3 years ago
GUYS I REALLY NEED HELP
pentagon [3]
56% percent is the answer
6 0
3 years ago
Graphic organizer: Use the terms in the word bank to complete the graphic organizer below
Valentin [98]

Answer:

1. Chemical reactions

2.Substances

3. Properties

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7. Color

8. Gas

Explanation:

Chemical reactions are known to produce new substances which have new properties. During the chemical reactions, evidences that are seen are formation of precipitate or light gel, production of gas and change in temperature and color.

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3 years ago
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