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Lisa [10]
3 years ago
14

Students set up an experiment to investigate whether or not a chemical

Chemistry
1 answer:
OlgaM077 [116]3 years ago
4 0

Answer:

open system

Explanation:

it needs to loose mass not gain mass

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3 years ago
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Explanation:

I hope I have helped with something.

4 0
3 years ago
Read 2 more answers
What is the concentration of 10.00mL of HBr if it takes 16.73 mL of a 0.253M LiOH solution to neutralize it?
Fudgin [204]
The chemical reaction would be expressed as follows:

HBr + LiOH = LiBr + H2O

We are given the volumes and corresponding concentration to be used for the reaction. We use these values to solve for the concentration of the other reactant. We do as follows:

0.253 mol LiOH / L solution ( 0.01673 L ) ( 1 mol HBr / 1 mol LiOH ) = 0.00423 HBr needed

Concentration of HBr =0.00423mol / .010 L = 0.423 M HBr 
3 0
3 years ago
BRAINLIEST AWARD PLZ HELP :)
Vera_Pavlovna [14]
Properties of metals:
High melting points
High density
Ductile
Malleable
Good conductors of electricity
Good conductors of heat


I think if you added a proton you would have chlorine.


The noble gasses are the he chemical elements in group 18 of the periodic table. The gasses in this family include helium, neon, argon, krypton, xenon, and radon. All these gasses are colorless are oderless, elements in this family have atoms with a full outer shell of electrons. They are also called inert gasses.

Six valence electrons
6 0
3 years ago
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