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3241004551 [841]
3 years ago
8

Which of the following is not an example of a chemical reaction? Rust Heat from Fire Photosynthesis Melting Ice

Chemistry
2 answers:
VARVARA [1.3K]3 years ago
8 0
Melting ice. Hopefully this helps!
stich3 [128]3 years ago
7 0

Answer: Ice melting

ICE MELTING,... because Ice melts slowly so which is not a chemical reaction... You are trying to find which is not a chemical reaction which would be Ice melting because,... heat and fire have a combination with each other!!

Explanation:

Rust also has a chemical reaction because if you leave something outside yes it is going to rust that is a chemical reaction..

Also photosynthesis is plants decaying or sprouting that is also photosynthesis

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A summary about liquid
sdas [7]

Answer:

A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure. As such, it is one of the four fundamental states of matter (the others being solid, gas, and plasma), and is the only state with a definite volume but no fixed shape.

8 0
3 years ago
Read 2 more answers
PLEASE HELP
Rudik [331]

Answer

solids conduct heat more efficiently ! basically their particles are more tightly packed and stay in that position, so the heat transfer by collision allows for the best conduction

Explanation:

hope this helps ! :)

7 0
3 years ago
6th grade science i will give brainliest
Alexandra [31]
0.2 m/s! keep in mind, speed= distance divided by time :D
7 0
3 years ago
If an object is travelling 25.0 meters/second, how far will it travel in 45 minutes?
Misha Larkins [42]
  • Speed=25m/s
  • Time=45min=(45×60)s=2700s

\\ \rm\longmapsto Distance=Speed(Time)

\\ \rm\longmapsto Distance=25(2700)

\\ \rm\longmapsto Distance=67500m

4 0
3 years ago
calculate the volume occupied by 10g of propane gas, under normal conditions of temperature and pressure
andriy [413]

Answer:

5.5 L

Explanation:

First we <u>convert 10 g of propane gas</u> (C₃H₈) to moles, using its <em>molar mass</em>:

  • 10 g ÷ 44 g/mol = 0.23 mol

Then we <u>use the PV=nRT formula</u>, where:

  • P = 1 atm & T = 293 K (This are normal conditions of T and P)
  • n = 0.23 mol
  • R = 0.082 atm·L·mol⁻¹·K⁻¹
  • V = ?

1 atm * V = 0.23 mol * 0.082 atm·L·mol⁻¹·K⁻¹ * 293 K

  • V = 5.5 L
3 0
3 years ago
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