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V125BC [204]
4 years ago
9

1. Which weather instrument is used to measure air temperatures recorded on a weather

Chemistry
2 answers:
poizon [28]4 years ago
5 0

Answer:

3. Thermometer

miskamm [114]4 years ago
4 0

The correct answer is thermometer.

Most thermometers are closed glass tubes containing liquids such as alcohol or mercury. When air around the tube heats the liquid, the liquid expands and moves up the tube. A scale then shows what the actual temperature is.

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If you have a negative ion, what happened to the outer shell of the atom?
Nastasia [14]
It will lose them and become stable
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3 years ago
If a molecule has an empirical formula of C2H2O and a molecular mass of 84.0 g/mol, what is the molecular formula?
lord [1]

Answer:

=C₄H₄O₂

Explanation:

Given the empirical formula of a molecule, the he the quotient of the molecular mas and and the empirical mass=constant.

84.0 g/mol/mass of(C₂H₂O)=constant

=84/(12×2+1×2×16)

=84/42

=2

Therefore, the molecular formula is (C₂H₂O)₂=C₄H₄O₂

6 0
3 years ago
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A parachute works because the canvas of the parachute is acted upon by
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Answer:

A parachute works because the canvas of the parachute is acted upon by inertia.

Explanation:

8 0
3 years ago
Lightning is an example of
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6 0
3 years ago
Two solid blocks are HEATED to the temperatures show. The blocks are placed so they touch. Which diagram shows the DIRECTION HEA
Setler [38]

Answer:

Heat flows from the block at high temperature to the one with lower temperature

Explanation:

The direction of heat flow is from a body at higher temperature to one with a lower temperature.

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  • As a system tend to increase entropy, it ensures that heat moves from hotter body to a colder body.
  • Heat movement here is by conduction as the body touches.
  • When both bodies reaches the same temperature, thermal equilibrium is established.
7 0
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