I can't explain the like dissolves like part but the water and oil I can

when oil is poured into water the oil will stay at the top of the water meaning that water is more dense than oil

7 0

4 years ago

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A balance and a graduated cylinder are used to determine the density of a mineral sample.

Nostrana [21]

Yea what they said up top!

7 0

3 years ago

When hcl(aq) and naoh(aq) are mixed in a beaker, the beaker feels warm to the touch. what is known about the enthalpy of this re

Nady [450]

The balanced chemical equation representing the neutralization reaction of hydrochloric acid (HCl) and sodium hydroxide (NaOH),

$HCl (aq) + NaOH(aq) ---> NaCl(aq) + H_{2}O(l) + Heat$

This reaction is exothermic that is it proceeds by the release of heat energy. This heat energy is lost to the surroundings. This is the reason for the warming up of the beaker where the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) takes place. The enthalpy of such reaction will be negative as the reaction is exothermic.

5 0

3 years ago