• chemistry

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223 views

can I buy hydrochloric acid in B&Q?

chemistry

asked Jul 26 '15 at 05:24

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147 views

Chemistry Help Please!?

chemistry

asked Sep 15 '14 at 13:25

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108 views

explain how information is communicated in the scientific workplace?

chemistry

asked Jul 7 '15 at 06:08

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86 views

OCR Chemistry practical exam - Rates and Enthalpy?

chemistry

asked Aug 11 '15 at 18:04

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79 views

why do some alcohols burn faster than others?

chemistry

asked Aug 9 '15 at 08:29

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73 views

Explain why the presence of an acid is necessary for the MnO4- (aq) to function as an oxidising agent?

chemistry

asked Sep 13 '14 at 16:25

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72 views

please help me with this chemistry question?

chemistry

asked Sep 25 '16 at 16:13

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72 views

Ozone Chemistry question?

chemistry

asked Feb 14 '16 at 16:33

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61 views

How does the structure of different chemicals affect their properties?

chemistry

asked Jul 8 '15 at 21:03

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56 views

what happens to the boiling point of a hydrocarbon as the number of carbon atoms increase?

chemistry

asked Oct 27 '16 at 12:21

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55 views

Another question on Functional Groups?

chemistry

asked Jan 26 '16 at 17:10

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55 views

Any advice on the 2012 A Level Chemistry A2 AQA ISA?

chemistry

asked Aug 8 '15 at 19:37

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52 views

The water molecule in my book has partial positive charges on the hydrogen atoms and a partial negative charge on the oxygen atom.?

chemistry

asked Aug 27 '14 at 21:25

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49 views

2- Which quantum number is responsible for the energy of orbital in an atom? ^ I have these as homework questions and it really confuses me?

chemistry

asked Oct 20 '14 at 05:26

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49 views

Density Problem in Chemistry!?

chemistry

asked Oct 14 '14 at 10:25

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49 views

A. Match the term with its definition.?

chemistry

asked Jun 25 '14 at 23:25

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42 views

Iron and Sulphur reaction, how to the particles behave?

chemistry

asked Dec 3 '15 at 13:04

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41 views

In the reversible reaction, CO2 + H2O <==> H2CO3 <==> H+ + HCO3 - -?

chemistry

asked Aug 2 '16 at 01:08

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41 views

How do i etch ZnO form ITO glass substrate so that it can not etch ITO? which etchant i can use for that?>wet?

chemistry

asked Feb 2 '16 at 22:04

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37 views

Is anybody super good at 11 and 12 grade chemistry?

chemistry

asked Jun 25 '14 at 22:27

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32 views

Why do chemists believe that the electrons in the formal C=O and C–O– bonds in the oxalate ion are delocalised?

chemistry

asked Jan 7 '16 at 09:13

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32 views

VSEPR theory predicts that simple carbon compounds will form bonds that are.....?

chemistry

asked Dec 22 '15 at 03:10

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28 views

Need an answer FAST, please?! The reaction of butane and chlorine to form 1-Chlorobutane.?

chemistry

asked Oct 31 '15 at 08:09

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28 views

what is the pH of a 0.10M nicotinic acid solution?

chemistry

asked Oct 20 '15 at 09:09

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24 views

does napthalene dissolve in hexane?

chemistry

asked Apr 3 '16 at 10:09

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24 views

Explanation of order of reactivity?

chemistry

asked Jun 21 '15 at 13:01

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24 views

Why is the answer A?? How do we solve it?

chemistry

asked Jul 13 '14 at 18:25

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23 views

Partial pressure question!!?

chemistry

asked Oct 13 '14 at 02:25

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22 views

Chemistry masterminds, please help!?

chemistry

asked Sep 2 '14 at 15:27

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21 views

Chemistry hw help on Gases.?

chemistry

asked Jul 15 '14 at 04:27

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21 views

How to make a chemical analysis of mineral water someone help me?

chemistry

asked Jul 15 '14 at 02:27

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15 views

Pls give 5 ionic and covalent compound and their used?

chemistry

asked Oct 13 '14 at 13:27

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14 views

Loss of Ascorbic Acid (Vitamin C) prevention? Uses/Application of Enzyme-Linked Immunosorbent Assay?

chemistry

asked Oct 13 '14 at 08:27

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14 views

What is the best way to statistically compare measurements?

chemistry

asked Sep 29 '14 at 04:26

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14 views

HELP!! How do I calculate for equivalents of NaOH?

chemistry

asked Sep 15 '14 at 10:26

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13 views

Why are thermal runaway reactions dangerous on an industrial site? need answer within 5-10 minute please.?

chemistry

asked Jun 21 '15 at 14:01

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13 views

Chemistry homework help!!!! >.

chemistry

asked Oct 6 '14 at 07:25

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13 views

Does thawing and freezing happen at the same speed? Or does one happen faster than the other?

chemistry

asked Jul 12 '14 at 19:28

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12 views

in preparation of copper sulphate crystals what reactions are used?

chemistry

asked Feb 3 '16 at 03:15

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12 views

Elements in group 5A or 15 tend to.......?

chemistry

asked Dec 25 '15 at 11:04

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12 views

What happens when copper ammine solution is titrated with edta, with murexide indicator?

chemistry

asked Oct 28 '15 at 07:18

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12 views

In electriplating experiment?

chemistry

asked Oct 6 '14 at 00:25

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11 views

Today, there are no toxic chemicals being used to make products?

chemistry

asked Feb 27 '16 at 03:13

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10 views

How can properties of polymers be changed by increasing crystallinity? ?

chemistry

asked Jan 17 '16 at 18:13

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10 views

I was told that if HOMEOSTASIS changes slightly the body can generate enough heat to combust?

chemistry

asked Oct 6 '15 at 10:23

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10 views

I need help with chemistry homework please :)?

chemistry

asked Oct 13 '14 at 07:26

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10 views

Chemistry Help? Hydrogen Atom!?

chemistry

asked Jul 21 '14 at 22:25

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10 views

Chemistry: Wave length?

chemistry

asked Jun 16 '14 at 00:31

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9 views

How do you name salts and other compounds?

chemistry

asked Jul 10 '16 at 17:33

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9 views

how harmful is maltodextrin for you and why would it be in a vitamin supplement?

chemistry

asked Jul 3 '16 at 22:27

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