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murzikaleks [220]
1 year ago
9

Why is the top layer of the ocean the warmest

Chemistry
1 answer:
erik [133]1 year ago
7 0

Answer:

The top ocean layer tends to be the warmest layer due to heating from the sun.

Bonus+ : This is also the reason why oceans and sea's don't freeze(well except in the poles, no sun warmth avaliable there)

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Which of these choices is a benefit of international trade?
Inessa [10]
Fewer option for consumers
4 0
3 years ago
Thomas has 235 grams of K2S in the chemistry lab. How many atoms of potassium (K) are in 235 grams of the compound?
iVinArrow [24]

The  number of atoms  of K that are in 235 g  of the compound  is

2.57 x10^24 atoms


 calculation

Step 1:  find the moles of K2S

= moles = mass/molar mass

=  235 g/110 g/mol= 2.136  moles

Step 2: multiply  2.136 moles  by no. of K atoms in K2S

= 2.136  x2 = 4.272 moles


Step 3: use the Avogadro's  law to determine number of K atoms

that is according to Avogadro's law  1 mole = 6.02 x 10^23  atoms

                                                            4.272 moles= ? atoms

by cross multiplication

= (4.272  moles x 6.02 x10^23 atoms)  / 1 mole = 2.57 x10^24 atoms

4 0
3 years ago
1) A block of aluminum has a mass of 40.5
-Dominant- [34]

Answer:

15 ml

Explanation:

\frac{40,5}{y}=\frac{2,7}{1}

2,7y=40,5

y=40,5/2,7=405/27= 15ml

7 0
3 years ago
Collisions only result in a reaction if the particles collide with a certain maximum energy called the activation energy of the
Alinara [238K]

Answer: The statement collisions only result in a reaction if the particles collide with a certain maximum energy called the activation energy of the reaction, is false.

Explanation:

Activation energy is the minimum amount of energy required to initiate a chemical reaction.

So, when activation energy for a reaction is lower then molecules with lower energy can also participate in the reaction. As a result, more number of collisions will take place due to which an increase in the rate of reaction will takes place.

When activation energy for a reaction is larger then molecules with higher energy will not be able to participate in the reaction. As a result, less number of collisions will take place due to which a decrease in rate of reaction will occur.

Therefore, we can conclude that the statement collisions only result in a reaction if the particles collide with a certain maximum energy called the activation energy of the reaction, is false.

4 0
2 years ago
The sum of two numbers is 54 one exceed the other by 14 find the number​
Aneli [31]

Answer:

x=34

y=20

Explanation:

let the first number be 'x'

let the second number be 'y'

Equation 1:-

x + y = 54

Equation 2:-

x = y + 14  (Since one exceeds the other by 14)

Substituting Equation 2 in Equation 1:-

(y + 14) + y = 54

=> y + 14 + y = 54

=> 2y + 14 = 54

=> 2y = 54 - 14

=> 2y = 40

=> y = 40/2

=> y = 20

Now in Equation 1:-

x + y = 54

Substituting y=20,

x + 20 = 54

x = 54 - 20

x = 34

7 0
3 years ago
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