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3 years ago

A transfer of heat within a liquid or gas that involves warm particles moving in currents is?

2 answers:

8 0

Convection.
Convection is the transfer of heat involving fluids (gas or liquids) with the heat rising cool sinking effect (lava lamp effect).

myrzilka [38]3 years ago

3 0

It is called convection. When warm air, or current, moves up and disperse outwards as cold air, or current, moves into the warmer region.

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Just write a C.E.R (claim, evidence, reasoning)

Charra [1.4K]

Answer:

I have attached pictures below. Maybe those will help?

Explanation:

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3 years ago

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2.What is the scientific method and how does it work?

never [62]

Answer:A hypothesis is a conjecture, based on knowledge obtained while seeking answers to the question

Explanation:

he process of the scientific method involves making conjectures (hypotheses), deriving predictions from them as logical consequences, and then carrying out experiments or empirical observations based on those predictions.

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2 years ago

The reaction CO2(g) → C(s) + O2(g) is a decomposition reaction.<br><br> True<br> False

Lyrx [107]

The reaction CO₂(g) → C(s) +O₂(g) is a decomposition reaction is true

Explanation

A Decomposition reaction is a reaction in which involve breaking down a compound into two or more simpler substances.

The reaction above is a decomposition reaction since CO₂ molecule is broken down into C (an element) and O₂ (a molecule).

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2 years ago

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The vapor pressure of methanol is 143 mmhg. identify the best reason to explain why methanol spontaneously evaporates in open ai

goldfiish [28.3K]

Answer/Explanation:

Methanol has a molecular weight (32.04 g/mol), low-boiling point and because of its low boiling point, methanol readily evaporates at room temperature.

Under these specified non-standard conditions, the partial pressure of methanol is lower than its vapor pressure and this explains the reason for the spontaneous evaporation exhibited by methanol.

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3 years ago

The dipole moment of the water molecule (H2O) is 6.17x10^-30 C.m. Consider a water molecule located at the origin whose dipole m

valkas [14]

Answer:

There are other details missing in the question. i.e Assume that x is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis E = p/2πε0y3 can be used, where p is the dipole moment, and y is the distance between ions. A) What is magnitude______N B) Direction? +x-direction or -x-direction C) Is this force attractive or repulsive?

A) Magnitude of electric force = 6.576 x 10 raised to power -13 N

B) Since the force direction is always dependent on the electric field and electric field = F/q, since the chlorine has a negative charge as such the direction of the electric force will be in the X - direction

C) Since the charges are of different nature, as such the force between them will be ATTRACTIVE.

Explanation:

The detailed steps is shown in the attachment

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3 years ago