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leva [86]
2 years ago
13

Scientists have observed that hurricanes are strongest over water, and that hurricanes lose momentum and become weak when they r

each land. Which statement best explains this observation?
The ocean tides provide energy to hurricanes.


The ocean winds provide energy for hurricanes.


The warm water provides moisture for hurricanes.


The Coriolis Effect provides moisture for hurricanes.
Chemistry
1 answer:
asambeis [7]2 years ago
4 0

Answer:

Explanation:                                                                                        

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Help me please i dont understand
Lelechka [254]

Answer:

1. Dissolving powder in milk - Chemical

  - It is chemical because the milk has changed on a molecular level

2. Toasting bread - Chemical

   - It is chemical because adding heat to the bread cooks it, therefore

     changing it on a molecular level

3. Melting cheese - Physical

   - It is physical because the physical appearance was the only change

4. Slicing apples or bannanas - Physical

   - It is physical because the physical appearance was the only change

5. Frying an egg - Chemical

   - It is chemical because new particles were formed

6. Milk souring - Chemical

   -  It is chemical because it is forming a new product (lactic acid)

Explanation:

Physical Change occurs when the particles of a substance become rearranged, but do not change into different particles.  

Chemical change occurs when a new substance is formed. This process is irreversable.

6 0
2 years ago
Read 2 more answers
You have an aqueous solution with a ph of 8.0. You add sodium chloride to a concentration of 1 gram per 100 milliliters. What ha
zysi [14]

Answer:

what is the ph of sodium chloride

4 0
3 years ago
Read 2 more answers
Which of the following numerical expressions gives the number of particles in 2.0 g of Ne?
mojhsa [17]

Answer:

Number of particles = 2.0 g*(6.0 x 10^23 particles/mol) / 20.18 g/mol

Option C is correct

Explanation:

Step 1: Data give

Mass of Ne = 2.0 grams

Molar mass of neon = 20.18 g/mol

Number of Avogadro = 6.0 *10^23 /mol

Step 2: Calculate number of moles of neon

Moles Ne = Mass of ne / Molar mass of ne

Moles Ne = 2.0 / 20.18 g/mol

Moles Ne = 0.099 moles

Step 3: Calculate nulber of particles

Number of particles = 6.022*10^23 / mol * 0.099 moles = 5.96 *10^22

Number of particles = 6.022*10^23 * (2.0g/ 20.18g/mol)

Number of particles = 2.0 g*(6.0 x 10^23 particles/mol) / 20.18 g/mol

Option C is correct

7 0
3 years ago
Mohr's salt is a pale green crystalline solid which is soluble in water. It is a 'double sulfate' which contains two cations, on
Veronika [31]
The gas is NH₃.
H₂ doesn't dissolve readily in water, SO₂ gives an acidic solution in water.

The solid residue is Fe(OH)₂.
FeSO₄ and Na₂SO₄ are soluble in water.

The answer is C.
3 0
3 years ago
Plzzz help me answer this question!!,!
omeli [17]
I can’t see the picture for some reason
7 0
3 years ago
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