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iren2701 [21]
3 years ago
11

The _______ force between each planet and the Sun keeps the planets in orbit around the Sun.

Chemistry
1 answer:
finlep [7]3 years ago
4 0

Answer:

The <u>Force of Gravity</u>  force between each planet and the Sun keeps the planets in orbit around the Sun.

Explanation:

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Break down in to tiny prices as the water hit the tree
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A student creates a model that displays a cross-section of a metal wire wrapped in plastic insulation. Which statement best desc
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Cross-section of a metal wire wrapped in plastic insulation the metal wire is an element.

<h3>What is an element?</h3>

An element is a substance or material that cannot be affected by an external substance or cannot be broken down by any reaction.

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Therefore, Cross-section of a metal wire wrapped in plastic insulation the metal wire is an element.

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brainly.com/question/18096867

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2 years ago
Explain why you usually can't use just a single spectrum line to confirm the identity of an element
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8 0
3 years ago
A solution contains 0.60 mg/ml mn2+. what minimum mass of kio4 must me added to 5.00 ml of the solution in order to completely o
azamat
The given solution of Mn²⁺ is 0.60 mg/mL.
Hence mass of Mn²⁺ in 5 mL of solution = 0.60 mg/mL x 5 mL = 3 mg

Molar mass of Mn = 54.9 g/mol
Hence, moles of Mn²⁺ = 3 x 10⁻³ g / 54.9 g/mol = 5.46 x 10⁻⁵ mol

The balanced equation for the reaction is,
2Mn²⁺ + 5KIO₄ + 3H₂O → 2MnO₄⁻ + 5KIO₃ + 6H⁺

The stoichiometric ratio between Mn²⁺ and KIO₄ is 2 : 5

Hence, moles of KIO₄ reacted = 5.46 x 10⁻⁵ mol x (5 / 2)
                                                 = 13.65 x 10⁻⁵ mol
Molar mass of KIO₄ = 230 g/mol

Hence needed mass of KIO₄ = 13.65 x 10⁻⁵ mol x 230 g/mol
                                               = 0.031395 g
                                               = 31.395 mg
                                               ≈ 31.4 mg
5 0
3 years ago
At higher elevations, the boiling point of water decreases, due to the decrease in atmospheric pressure. As a result, what concl
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I believe the correct response is A. At higher elevations it would take less time to hard boil an egg, because there is less atmospheric pressure.
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