Dissolving - Revision history

Ellen References at 00:39, 5 December 2019

2019-12-05T00:39:16Z

Ellen References at 15:40, 17 November 2019

2019-11-17T15:40:14Z

NRJC at 08:42, 11 June 2019

2019-06-11T08:42:29Z

NRJC at 14:39, 3 April 2019

2019-04-03T14:39:29Z

NRJC at 14:32, 27 December 2018

2018-12-27T14:32:40Z

NRJC at 10:45, 27 September 2018

2018-09-27T10:45:19Z

NRJC at 09:27, 27 September 2018

2018-09-27T09:27:04Z

NRJC at 09:02, 27 September 2018

2018-09-27T09:02:29Z

NRJC at 08:53, 27 September 2018

2018-09-27T08:53:47Z

NRJC: /* About Dissolving */

2018-09-24T14:55:55Z

‎About Dissolving

← Older revision		Revision as of 00:39, 5 December 2019
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	:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Dissolving, page 84, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']		:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Dissolving, page 84, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']
		+
		+	====OCR====
		+	:[https://www.amazon.co.uk/gp/product/0198359829/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359829&linkCode=as2&tag=nrjc-21&linkId=90e8d7b4f039d53035238fa0320fe00b ''Dissolving, page 42, Gateway GCSE Chemistry, Oxford, OCR '']

← Older revision		Revision as of 15:40, 17 November 2019
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	: Different [[substance]]s have a different level of [[solubility]]. The more of a [[substance]] which can be '''dissolved''' in a fixed [[Volume (Space)\|volume]] of [[liquid]], the greater its [[solubility]].		: Different [[substance]]s have a different level of [[solubility]]. The more of a [[substance]] which can be '''dissolved''' in a fixed [[Volume (Space)\|volume]] of [[liquid]], the greater its [[solubility]].
	: Some [[solid]]s can be '''dissolved''' in [[ethanol]] or [[oil]] but not in [[water]]. [[Lipid\|Fat]]s can be '''dissolved''' in [[ethanol]] but not in [[water]]. Vitamin D can be '''dissolved''' in [[oil]] but not in [[water]].		: Some [[solid]]s can be '''dissolved''' in [[ethanol]] or [[oil]] but not in [[water]]. [[Lipid\|Fat]]s can be '''dissolved''' in [[ethanol]] but not in [[water]]. Vitamin D can be '''dissolved''' in [[oil]] but not in [[water]].
		+
		+	====Edexcel====
		+
		+	:[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Dissolving, page 84, GCSE Chemistry; The Revision Guide, CGP, Edexcel '']

@@ Line 38: / Line 38: @@
 : Not all [[solid]]s can [[dissolve]] in water. A [[solid]] which can be [[dissolve]]d easily in [[water]] is described as [[soluble]] but one that cannot be easily [[dissolve]]d in [[water]] is described as [[insoluble]].
-: A solid that has [[dissolve]]d in a [[liquid]] is called a [[solute]] and the liquid is called a [[solvent]].
+: A [[solid]] that has [[dissolve]]d in a [[liquid]] is called a [[solute]] and the [[liquid]] is called a [[solvent]].
-: [[Conservation of Mass]] can be shown when a [[solute]] [[dissolve]]s in a [[solvent]] the total [[mass]] of the [[solution]] is the same as the total mass of the parts that made it.
+: [[Conservation of Mass]] can be shown when a [[solute]] [[dissolve]]s in a [[solvent]] the total [[mass]] of the [[solution]] is the same as the total [[mass]] of the parts that made it.
 {| class="wikitable"
 |-

@@ Line 60: / Line 60: @@
 : [[Dissolving]] is a [[Physical Change|physical change]], which means it is [[Reversible Changes|reversible]] and does not produce new [[chemical]]s.
 : Different [[substance]]s have a different level of [[solubility]]. The more of a [[substance]] which can be '''dissolved''' in a fixed [[Volume (Space)|volume]] of [[liquid]], the greater its [[solubility]].
-: Some [[solid]]s can be '''dissolved''' in [[ethanol]] or [[oil]] but not in [[water]]. [[Lipid|Fat]]s can be '''dissolved''' in [[ethanol]] but not in [[water]]. [[Vitamin D]] can be '''dissolved''' in [[oil]] but not in [[water]].
+: Some [[solid]]s can be '''dissolved''' in [[ethanol]] or [[oil]] but not in [[water]]. [[Lipid|Fat]]s can be '''dissolved''' in [[ethanol]] but not in [[water]]. Vitamin D can be '''dissolved''' in [[oil]] but not in [[water]].

← Older revision		Revision as of 14:32, 27 December 2018
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	: The time it takes to [[dissolve]] a [[solid]] can be decreased by stirring the [[solution]] and by keeping the [[solution]] at a higher [[temperature]].		: The time it takes to [[dissolve]] a [[solid]] can be decreased by stirring the [[solution]] and by keeping the [[solution]] at a higher [[temperature]].
	: The amount of [[solid]] which can be [[dissolve]]d can be increased by keeping the [[solution]] at a higher [[temperature]].		: The amount of [[solid]] which can be [[dissolve]]d can be increased by keeping the [[solution]] at a higher [[temperature]].
		+
		+	==Key Stage 4==
		+	===Meaning===
		+	[[Dissolving]] is an [[endothermic]] [[Physical Change\|process]] in which a [[solid]] breaks apart into individual [[Molecule\|molecules]] or [[Atom\|atoms]] when it is [[Mixture\|mixed]] with a [[liquid]].
		+
		+	===About Dissolving===
		+	: A solid that has [[dissolve]]d in a [[liquid]] is called a [[solute]] and the liquid is called a [[solvent]].
		+	: [[Dissolving]] is an [[endothermic]] process, which means it needs to [[Absorb (Physics)\|absorb]] [[energy]] to take place. This means that when a [[solid]] '''dissolves''' in a [[liquid]] the [[temperature]] of the [[liquid]] decreases.
		+	: [[Dissolving]] is a [[Physical Change\|physical change]], which means it is [[Reversible Changes\|reversible]] and does not produce new [[chemical]]s.
		+	: Different [[substance]]s have a different level of [[solubility]]. The more of a [[substance]] which can be '''dissolved''' in a fixed [[Volume (Space)\|volume]] of [[liquid]], the greater its [[solubility]].
		+	: Some [[solid]]s can be '''dissolved''' in [[ethanol]] or [[oil]] but not in [[water]]. [[Lipid\|Fat]]s can be '''dissolved''' in [[ethanol]] but not in [[water]]. [[Vitamin D]] can be '''dissolved''' in [[oil]] but not in [[water]].

← Older revision		Revision as of 10:45, 27 September 2018
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	\| style="height:20px; width:200px; text-align:center;" \|'''Mass'''<sub>solvent</sub> + '''Mass'''<sub>solute</sub> = '''Mass'''<sub>solution</sub>		\| style="height:20px; width:200px; text-align:center;" \|'''Mass'''<sub>solvent</sub> + '''Mass'''<sub>solute</sub> = '''Mass'''<sub>solution</sub>
	\|}		\|}
		+
		+	===Factors That Affect Dissolving===
		+	: The time it takes to [[dissolve]] a [[solid]] can be decreased by stirring the [[solution]] and by keeping the [[solution]] at a higher [[temperature]].
		+	: The amount of [[solid]] which can be [[dissolve]]d can be increased by keeping the [[solution]] at a higher [[temperature]].

@@ Line 29: / Line 29: @@
 ===About Dissolving===
 : When a [[solid]] is [[dissolve]]d it cannot be seen anymore because it has been broken down into pieces too small to see, even with a [[microscope]].
 : Not all [[solid]]s can [[dissolve]] in water. A [[solid]] which can be [[dissolve]]d easily in [[water]] is described as [[soluble]] but one that cannot be easily [[dissolve]]d in [[water]] is described as [[insoluble]].
 : A solid that has [[dissolve]]d in a [[liquid]] is called a [[solute]] and the liquid is called a [[solvent]].

← Older revision		Revision as of 09:02, 27 September 2018
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	: A solid that has [[dissolve]]d in a [[liquid]] is called a [[solute]] and the liquid is called a [[solvent]].		: A solid that has [[dissolve]]d in a [[liquid]] is called a [[solute]] and the liquid is called a [[solvent]].
	: [[Conservation of Mass]] can be shown when a [[solute]] [[dissolve]]s in a [[solvent]] the total [[mass]] of the [[solution]] is the same as the total mass of the parts that made it.		: [[Conservation of Mass]] can be shown when a [[solute]] [[dissolve]]s in a [[solvent]] the total [[mass]] of the [[solution]] is the same as the total mass of the parts that made it.
		+	{\| class="wikitable"
		+	\|-
		+	\|[[File:ConservationofMassDissolving.png\|center\|500px]]
		+	\|-
		+	\| style="height:20px; width:200px; text-align:center;" \|'''Mass'''<sub>solvent</sub> + '''Mass'''<sub>solute</sub> = '''Mass'''<sub>solution</sub>
		+	\|}

← Older revision		Revision as of 08:53, 27 September 2018
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	: When a [[solid]] is [[dissolve]]d it cannot be seen anymore because it has been broken down into pieces too small to see, even with a [[microscope]].		: When a [[solid]] is [[dissolve]]d it cannot be seen anymore because it has been broken down into pieces too small to see, even with a [[microscope]].
	: Not all [[solid]]s can [[dissolve]] in water. A [[solid]] which can be [[dissolve]]d easily in [[water]] is described as [[soluble]] but one that cannot be easily [[dissolve]]d in [[water]] is described as [[insoluble]].		: Not all [[solid]]s can [[dissolve]] in water. A [[solid]] which can be [[dissolve]]d easily in [[water]] is described as [[soluble]] but one that cannot be easily [[dissolve]]d in [[water]] is described as [[insoluble]].
		+	: A solid that has [[dissolve]]d in a [[liquid]] is called a [[solute]] and the liquid is called a [[solvent]].
		+	: [[Conservation of Mass]] can be shown when a [[solute]] [[dissolve]]s in a [[solvent]] the total [[mass]] of the [[solution]] is the same as the total mass of the parts that made it.