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never [62]
2 years ago
10

Which statement best describes a physical change? Changes can occur to certain chemical properties of the substance, but the ove

rall shape of the substance will remain the same. Changes can occur to certain physical properties of the substance, but the overall shape of the substance will remain the same. Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same. Changes can occur to chemical properties of a substance, but the chemical composition of the substance remains the same.2
Ill give you brainliest
Chemistry
1 answer:
icang [17]2 years ago
3 0
<h3>Changes can occur to the physical properties of a substance, but the chemical composition of the substance remains the same.</h3>

Explanation:

A physical change can not change the chemical makeup of a substance. If it did, it would be considered a chemical change. It can, however, be physically changed.

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Explanation:

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How much water should be added to 4.3 moles of LiBr to prepare a 2.05 m solution?
arsen [322]

Answer:

2.1 kg of water

Explanation:

Step 1: Given data

  • Moles of lithium bromide (solute): 4.3 moles
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m = moles of solute/kilograms of solvent

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You know that breaking up the tablet increases the surface area of the seltzer. So what could you conclude about the relationshi
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Grinding or breaking an Alka-Seltzer tablet increases the number of particles and increases the surface area. Material which was within the tablet is exposed, allowing for more collisions between reactant particles and resulting in an increased rate of reaction.

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