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GenaCL600 [577]
3 years ago
6

What kind of change results in a new substance being produced

Chemistry
2 answers:
tatiyna3 years ago
3 0
Chemical change creates a new substance
9966 [12]3 years ago
3 0
The answer would be chemical, it is also irreversible and you need to compounds to make a chemical change. Hope this helps, be sure to thank me if it helps, let me know if you have any further questions.
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PolarNik [594]

Answer:

1.Magnetosphere

2.Liquid Outer core

3.Atmosphere

4.Lightening

5.Biosphere

6.Blue

7.Dolphins

8.Hydrosphere

9.Ice Caps

10.Lithosphere

11.Latitude

12.Longitude

Explanation:

The invisible field that protect us from solar radiation is called Magnetosphere.

This protective field is created by movement between solid inner core and earth's Liquid outer core.

The layer of gases is called atmosphere.

In addition to wind , rain , lightening is observed on stormy night.

Because of water earth looks Blue.

Dolphins are just one of the animals that calls the hydrosphere, its home.

Ice caps in the north and south poles.

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Look for the latitude first ,horizontal line ...

8 0
3 years ago
2. (2 pts) How would you prepare 1.5 liters of 2 M KCI (MW=74.55 g/mol)
ra1l [238]

Answer:

Dissolve 226 g of KCl in enough water to make 1.5 L of solution

Explanation:

1. Calculate the moles of KCl needed

n = \text{1.5 L} \times \dfrac{\text{2 mol}}{\text{1 L}}= \text{3.0 mol}

2. Calculate the mass of KCl

m = \text{3.0 mol} \times \dfrac{\text{74.55 g}}{\text{1 mol}}= \text{224 g}

3. Prepare the solution

  • Measure out 224 g of KCl.
  • Dissolve the KCl in a few hundred millilitres of distilled water.
  • Add enough water to make 1.5 L of solution. Mix thoroughly to get a uniform solution.
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An atomic spectra is like a _________ for an element, in that it is unique for that element and can be used in identification.
adell [148]
Atomic number, because the atomic number is unque to each individua element.
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3 years ago
Can someone make me a periodic table with color?
lilavasa [31]

Answer:

The periodic table is also split into four blocks: s = red, p = green, d = yellow, and f = blue.

4 0
2 years ago
Read 2 more answers
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