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notsponge [240]
3 years ago
13

Help please will give brainliest

Chemistry
2 answers:
blagie [28]3 years ago
4 0

Explanation:

three things that you would notice a chemical reaction is the change of color and change in odor and the change in temperature

sergiy2304 [10]3 years ago
3 0
Three things that might indicate a chemical reaction has occurred are production of odor, change in color, or gas bubbles.
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PLEASE HELP !!!!
SpyIntel [72]

Answer:

Volume

Explanation:

A cubic centimeters(cm³) is a measure of volume that is equal to a cube with width, length and height are all 1 centimeters. then, multiply length, width and height values together, this will give you the volume of the cube. 1 inch = 2.54 centimeters

7 0
3 years ago
Which statement best describes the energy in this sistem?
vredina [299]

Answer:

The kinetic energy in the system is greatest at X.

Explanation:

not ure but hope it helps

5 0
3 years ago
A -------(fact, hypothesis, theory) is scientific knowledge established through direct observation and remains constant. Scienti
lutik1710 [3]
I believe that you are needing to pick from the three word choices. I believe the first one would be fact and the second one would be conduct experiment.
3 0
4 years ago
Read 2 more answers
How many moles of ions are in 285 ml of 0.0150 m mgcl2?
Solnce55 [7]
MgCl₂)= Mg²⁺ + 2Cl⁻
V(MgCl₂)=285cm³=0,285dm³
c(MgCl₂)=0,015 mol/dm³
n(MgCl₂)=c·V= 0,015 mol/dm³ · 0,285dm³ = 0,0042 mol
n(Mg²⁺)=n(MgCl₂)=0,0042 mol
n(Cl⁻)=2n(MgCl₂)=0,0084 mol
7 0
4 years ago
Read 2 more answers
Can someone help me, please?
stellarik [79]
19. The individual can expect to have nausea and hair loss.

20. I BELIEVE the answer is D, but you should wait for a second answer for that one.
6 0
3 years ago
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