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Ghella [55]
3 years ago
6

Which phrase correctly describes the particles that make up water vapor?

Chemistry
1 answer:
Alexxx [7]3 years ago
7 0

Answer:

i believe its A but im not sure

its the only one that makes any sense

plz mark  brainliest

\

Explanation:

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Likurg_2 [28]

HI.

Hope this helps!

-Payshence

3 0
3 years ago
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This means that the steel bar lost 14900 J of thermal energy. What is the change in temperature of the steel bar? Recall that th
stiv31 [10]

Answer:

ΔT=-747,13°C

Explanation:

Sensible heat is<em> the amount of thermal energy that is required to change the temperature of an object</em>, the equation for calculating the heat change is  given by:

Q=msΔT

where:

  • Q, heat that has been absorbed or realeased by the substance [J]
  • m, mass of the substance [g]
  • s, specific heat capacity [J/g°C] (
  • ΔT, changes in the substance temperature [°C]

To solve the problem, we clear ΔT of the equation and then replace our data:

Q=msΔT

ΔT=Q/ms

ΔT=\frac{-14900 J}{40,7g*0,49\frac{J}{gC} }=-747,13°C

<em>(Note that Q=-14900 J because there is a </em><u><em>LOST</em></u><em> of thermal energy)</em>

Thus, the change in temperature of the steel bar is -747,13°C, meaning that the temperature of the bar decreases.

5 0
3 years ago
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the boiling points of two liquids are 120°C and 240°C, to what minimum temperature do I have to heat them in order to separate t
Elena-2011 [213]

Answer:

120C°

Explanation:

8 0
3 years ago
A tank contains hermit crabs and frogs. What kinds of animals are inside of the tank? Check all that are true. fish invertebrate
aev [14]

Answer:

Vertebrates, invertebrates, and amphibians.

Explanation:

Vertebrates have backbones. Frogs have back bones.

Invertebrates do not have backbones. Hermit crabs do not have back bones.

Amphibians are cold-blooded vertebrate animals. Frogs are cold-blooded vertebrate animals.

5 0
3 years ago
The electromagnetic force is
Debora [2.8K]
The electromagnetic force is attractive for unlike charges and repulsive for like charges
8 0
3 years ago
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