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USPshnik [31]
3 years ago
14

Mass and energy are conserved:

Chemistry
1 answer:
valkas [14]3 years ago
4 0
I believe B) in both chemical changes and physical changes since in chemical changes, nothing is created or destroyed. In physical changes same thing but with matter.
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Need help !!!!!!!!!!​
tankabanditka [31]

Answer:

i think its c

Explanation:

6 0
3 years ago
List the three components of traditional cell theory.
lapo4ka [179]
1. all living things are composed of cells
2. cells are the basic building blocks of life
3. All cells are created by preexisting cells
7 0
2 years ago
Read 2 more answers
Calculate the decrease in temperarure when 2.00 L at 20.0 degrees celsius is compressed to 1.00 L.
Serga [27]
I suspect that the pressure of this change is constant therefore

The equation is used from the combined gas law. (When pressure is constant both P's will cancel out P/P = 1)
V/T = V/T
Initial   Change

Initially we have 2L at 20 degress what temperature will be at 1L.

2/20 = 1/T
0.1 = 1/T
0.1T = 1
T = 1/0.1
T = 10 degress celsius.

Hope this helps if you won't be able to understand what is the combined gas law just tell me :).
3 0
3 years ago
Ill give brainlest to the one who answers right.
liraira [26]
The answer would be h2o
8 0
2 years ago
6b<br> Which of the following is a starting compound during<br> cellular respiration?
Rus_ich [418]

Answer: Oxygen and glucose.

Explanation:

Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.Jun 1, 2020

3 0
3 years ago
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