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Valentin [98]
3 years ago
5

Sinkholes can form when _____?

Chemistry
2 answers:
Oxana [17]3 years ago
8 0
Water flows under the ground
Ulleksa [173]3 years ago
8 0

Answer: Rainwater containing carbon dioxide dissolves underground rock.

Explanation:

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Use the collision theory to discuss how temp., concentration and surface area affect the rate of a chemical reaction?
pogonyaev


The collision theory explains how chemical reactions are made and different reactions have different reaction rates

Hope it helps.

4 0
3 years ago
Which of the following is the largest volume?
Ede4ka [16]
The answer to the question is B.
3 0
3 years ago
What is the empirical formula of a compound composed of 30.5 g potassium (k) and 6.24 g oxygen (o)?
VLD [36.1K]
K5O2

convert grams to moles, divide both by the smallest mole mass, multiply that until hole.

30.5 g K ÷ 39.10 = .78 mol
6.24 g O ÷ 16 = .39 mol
.78 mol ÷ .39 mol = 2.5
.39 mol ÷ .39 mol = 1
2.5 x 2 = 5
1 x 2 = 2
K5O2

5 0
3 years ago
Advertising claims sometimes state that adding something mechanical to a car's engine will allow it to recover 100 percent of th
Elan Coil [88]

Answer:

second law of thermodynamics.

Explanation:

The second law of thermodynamics deals with interconversion of energy from one form to another. Although energy can be converted from one form to another, this conversion is never 100% efficient because energy is lost in certain ways such as through heat. In a combustion engine, it is not possible to recover the energy from the gasoline 100% since energy must be lost along the way via such means as heat losses. Hence I will be skeptical about such an advert.

4 0
3 years ago
I was named after the man that developed the periodic table.
valina [46]
Einsteinium
I hope that helps
4 0
2 years ago
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