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3 years ago

Use the drop-down menus to complete the statements about inertia, earth, and the moon.

Chemistry

2 answers:

Dimas [21]3 years ago

8 0

1) inertia 2) gravity 3) greater

Inga [223]3 years ago

7 0

Answer:

1) inertia 2) gravity 3) greater

Explanation:

Use the drop-down menus to complete the statements about inertia, earth, and the moon.

The moon’s 1.____ tries to push it off into space in a straight line, but earth’s 2.______ keeps the moon in orbit. The moon and earth are similar in that they both orbit around a body with 3._____ mass.

#1 answers: orbit, inertia

#2 answers: gravity, motion

#3 answers: greater, the same

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Explanation:

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2 years ago

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Answer:

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3 years ago

A baby's crib would be about how long? 1 m 2 m 10 m 1 km

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3 years ago

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A solution is made by mixing 55.g of thiophene C4H4S and 65.g of acetyl bromide CH3COBr.

EleoNora [17]

Answer:

Mole fraction of C₄H₄S = 0.55

Explanation:

Mole fraction is moles of solute / Total moles

Total moles are the sum of moles of solute + moles of solvent.

Let's find out the moles of our solute and our solvent.

Mass of solute: 55g

Mass of solvent: 65g

Mol = Mass / molar mass

55 g / 84.06 g/mol = 0.654 moles of C₄H₄S

65 g /123 g/mol = 0.529 moles of C₂H₃BrO

Total moles = 0.654 + 0.529 = 1.183 moles

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3 years ago

1. Discuss briefly system and surrounding using suitable examples, highlighting heat transfers. 14 marks

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A system is a part of the physical universe defined arbitrarily for observation purposes.

Boundaries are a part of the physical universe that are around the system.

In a scientific sense, a system is a part of the physical universe whose boundaries, that is, the limit between the system and its surroundings, are defined arbitrarily for observation purposes.

A system contains at least a model, represented in a phenomenological way, and it can be isolated (no mass nor energy interactions), closed (no mass interactions) or open.

The surroundings are a part of the physical universe that are around the system.

An example is a coffee-maker, where coffee-maker the system and air represents the surroundings, the coffee-maker receives energy from a heat source to warm up itself and releases part of such energy to the air.

We kindly invite to check this question on systems and surroundings: brainly.com/question/6044762

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3 years ago