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FromTheMoon [43]
3 years ago
12

As sunlight hits the surface of pond the water heats up and then the water circulates to transfer

Chemistry
2 answers:
Hoochie [10]3 years ago
7 0

Answer:

Convection

Explanation:

Convection is the movement of heat through fluid by allowing hot air to rise and cold water to fall.

I have attached a photo that might help if you need a visual

Butoxors [25]3 years ago
3 0

Answer:

Convection

Explanation:

Convection is the heat transfer due to the bulk movement of molecules within fluids such as gases and liquids, including molten rock.

So therefore it would be CONVECTION!!!!!!

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Number of molecules in 2.5 moles of silver
Snowcat [4.5K]

Answer:

1.5×1024 molecules

Explanation:

6 0
3 years ago
Describe how sponges reproduce
Natali5045456 [20]
They can reproduce in 3 ways: budding, gemmules, and regeneration.
Budding- a new sponge grows off of the older ones eventually breaking off.
Gemmules- internal buds found in sponges. The mass of cells get bigger and bigger and eventually form an adult sponge
Regeneration- sponges are able to restore damaged or broken parts.
5 0
2 years ago
At a certain temperature, the ph of a neutral solution is 7.43. what is the value of kw at that temperature? express your answer
Delvig [45]

The formula for Kw is:

Kw= [H]*[OH]

where [H] and [OH] are concentrations 

We are given the pH so we can calculate the [H] concentration from the formula:
pH=-log[H] 
7.43 = -log[H]

[H] = 3.715x10^-8 M

In neutral solution, [H] = [OH], therefore: 

<span>[OH]= 3.715x10^-8 M

Calculating Kw:

Kw = (3.715x10^-8)*( 3.715x10^-8)</span>

<span>Kw = 1.38 x 10^-15 </span>

7 0
3 years ago
What type of solution forms when lithium chloride dissolved in water?
murzikaleks [220]
Answer: strong electrolyte.

Justification:

1) Lithium chloride is an ionic compound, highly soluble in water.

2)  This is the chemical equation:

LiCl(aq) → Li⁺ (aq) + Cl⁻ (aq)


3) Due to its ionic character and the small size of the ion Li⁺, LiCl dissociates almost completely, meaning the the solution is a strong electrolyte.

4) Electrolytes are solutions that carry electricity (the iones, charged species, are the carrierr of the electricity)

6 0
3 years ago
What is the relationship between temperature and volume?
Lelu [443]

Answer:

Charles's law states that the volume of a given amount of gas is directly proportional to its temperature on the kelvin scale when the pressure is held constant

The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure (Charles's law). The volume of a given amount of gas is inversely proportional to its pressure when temperature is held constant (Boyle's law)

Explanation:

~Hope this helps

6 0
3 years ago
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