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Mekhanik [1.2K]
2 years ago
5

Who created the "law of triads"?

Chemistry
2 answers:
Schach [20]2 years ago
8 0

Answer:

Dobereiner's Law of Triads. Johann Wolfgang Dobereiner was a chemist in the early 1800s, when the periodic table wasn't in existence, and some chemists were trying to find a type of organizational system for the known elements.

Explanation:

Fantom [35]2 years ago
6 0

Answer:

early 1800

Explanation:

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Which planet formed near the sub where the solar system l’s temperatures were very high
Harrizon [31]

Answer:

Mars

Explanation:

Terrestrial or inner planets like Mars and Venus were formed near the Sun where the solar system's temperatures were very high.

4 0
3 years ago
Read 2 more answers
A helium-filled weather balloon has a volume of 512 L at 18.9°C and 756 mmHg. It is released and rises to an altitude of 2.14 km
vazorg [7]

633.97 L

Explanation:

Well use the combined gas law;

P₁V₁T₁ = P₂V₂T₂

We need to change the temperatures into Kelvin;

18.9°C= 292.05 K

5.9°C = 279.05 K

756 * 512 * 292.05 = 639 * V₂ * 279.05

113,044,377.6 = 178,312.95 V₂

V₂ = 113,044,377.6 / 178,312.95

V₂ = 633.97 L

3 0
3 years ago
Read 2 more answers
What is the volume of an object with a density of 2.6 g/cm³ and a mass of 30.5g?
inessss [21]

Answer:

The answer is

<h2>11.73 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}

From the question

mass of object = 30.5 g

Density = 2.6 g/cm³

The volume is

volume =  \frac{30.5}{2.6}  \\  = 11.7307692...

We have the final answer as

<h3>11.73 mL</h3>

Hope this helps you

5 0
3 years ago
Ethanol can react with hydrochloric acid to form chloroethane and water. When sulfuric acid is added, the
kaheart [24]

Answer: 1.Sulfuric acid is a catalyst

2. Vanadium(v) oxide is a catalyst

6 0
2 years ago
How would your atomic mass prediction have been affected if not all of the water had been evaporated from the calcium carbonate
Yanka [14]
Go to a famlie member, if you can't trust them, trust god. if you cant trust god, BURN IN HELL
6 0
3 years ago
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