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tiny-mole [99]
3 years ago
12

Find the chemical reactions for each problem

Chemistry
1 answer:
aev [14]3 years ago
3 0

Answer:

uvuvvoxkzsfukzuktsusr sxvtyy I am good at University the University the to

Explanation:

Find the value of the following expression using suitable properties of whole numbers

and name the property used.

789 × 175 – 75 × 789

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When water H2O freezes into ice some of the properties have changed but the blank of the H2O is the same.
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3 years ago
2. What does the text list and describe?
Mariana [72]

Answer:

C. ways radiation is transferred into and through Earth's atmosphere

Explanation:

6 0
3 years ago
What mass of sucrose needs to be dissolved in 540 g of water in order to prepare a 15% by mass solution.
Lilit [14]

Answer:

95.3g

Explanation:

Given parameters:

Mass of water  = 540g

Percentage by mass of solution = 15%

Unknown:

Mass of sucrose = ?

Solution;

To solve this problem, we must understand that a solution is made up of solute dissolved in a solvent. A solute is the solid dissolved in another. The solvent is the is dissolving medium;

    Percentage by mass of solute in solution = \frac{Mass of solute}{Mass of solution}  x 100

Mass of solution  = mass of water + Mass of sucrose  = 540 + M

  where M is the mass of sucrose;

therefore;

                 \frac{M}{540 + M }  x 100   = 15

   Solving for M gives 95.3g

Mass of sucrose is 95.3g

5 0
3 years ago
1. It is the place near the coast where sea water and fresh water mixes and is called “nurseries
lawyer [7]

Answer:

Estuaries are often called the “nurseries of the sea”

Explanation:

Because so many marine animals reproduce and spend the early part of their lives there.

4 0
2 years ago
The boiling point of a substance is affected by
aev [14]
How strong the bonds are between the atoms
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