Asked by Nunya

Which change is chemical?

water boiling

water undergoing electrolysis***

water freezing

water evaporating

Which number remains unchanged during photosynthesis?

the number of carbon atoms***

the number of water molecules

the number of glucose molecules

the number of carbon dioxide molecules

In a chemical reaction, which aspect of the reactants changes?

mass***

total mass

atoms

nuclei

A young snake eats and digests a mouse. The increase in the snake’s mass equals

the mass of the mouse plus the mass of waste produced by the snake.

the mass of the mouse plus the original mass of the snake.

the mass of the mouse.

the mass of the mouse minus the mass of waste produced by the snake.***

Cellular respiration transforms glucose and oxygen into carbon dioxide, water, and energy.



C6H12O6 + 6O2 → 6CO2 + ?H2O + Energy



Based on the law of conservation of matter, what is the missing coefficient for water?



4

6***

2

8
Answered by Nunya
All correct, 100% :)
Answered by Kiki
All were right, thank you!
Answered by Sno~
water undergoing electrolysis
the number of carbon atoms
mass
the mass of the mouse minus the mass of waste produced by the snake
6
Answered by Melt
Sno~ is right. For Incc at least.
Answered by Wow
All correct in 2021
Answered by Jayvien
Nvm all right except number 4
Answered by Trust me !!
Yeah the other one is arrangement of the atoms. its question 3 for me
Answered by Don't Want to Use my Real Name
Trust me!! Is right for number 3
Answered by Nvm
In a chemical reaction the total mass remains unchanged the arrangement of atoms change
Answered by Thanks
Trust me!! Is correct for number 3
Answered by The REAL ANSWERS ‼️‼️‼️
1. Water undergoing electrolysis
2. The number of carbon atoms
3. Arrangement of the atoms
4. The mass of the mouse minus the mass of waste produced by the snake.
5. (6)

The dude at the top lied about number 1 😒
Answered by NonBinaryA
The REAL ANSWERS ‼️‼️‼️
Is correct
Answered by not ur mom
ok
Answered by x)
The real answers is correct :)
Answered by Caspen :)
Tysm mate
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