User contributions
From Chemistry Resource
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- 07:33, 4 September 2010 (diff | hist) . . (+52) . . Significant figures (→The magnitude and rleiability of the measurement)
- 07:32, 4 September 2010 (diff | hist) . . (+50) . . Significant figures
- 07:31, 4 September 2010 (diff | hist) . . (+42) . . Significant figures (→The magnitude and rleiability of the measurement)
- 07:31, 4 September 2010 (diff | hist) . . (+2) . . Significant figures (→The magnitude and rleiability of the measurement)
- 07:30, 4 September 2010 (diff | hist) . . (+944) . . Significant figures
- 07:28, 4 September 2010 (diff | hist) . . (+448) . . N Significant figures (Created page with 'Except for numbers which are exact numbers or counting numbers, it is often impossible to determine an exact value of a quantity that is under investigation. In section 1.5, we s…')
- 07:27, 4 September 2010 (diff | hist) . . (0) . . N File:Ruler2.gif (current)
- 07:27, 4 September 2010 (diff | hist) . . (+1,323) . . Uncertainty in measurements (→Example 2 of a length measurement)
- 07:25, 4 September 2010 (diff | hist) . . (+78) . . Uncertainty in measurements
- 07:25, 4 September 2010 (diff | hist) . . (-38) . . Uncertainty in measurements
- 07:23, 4 September 2010 (diff | hist) . . (-36) . . Uncertainty in measurements
- 07:22, 4 September 2010 (diff | hist) . . (0) . . N File:Ruler1.gif (current)
- 07:22, 4 September 2010 (diff | hist) . . (+1,307) . . N Uncertainty in measurements (Created page with 'The diagram below shows the measurement of the length of a blue bar using a ruler with 1 cm as its finest division. File: ruler1.gif Using this ruler, the length the blue b…')
- 06:10, 4 September 2010 (diff | hist) . . (-16) . . Precision accuracy and uncertainty
- 06:10, 4 September 2010 (diff | hist) . . (+5) . . Precision accuracy and uncertainty
- 06:09, 4 September 2010 (diff | hist) . . (+5) . . Precision accuracy and uncertainty
- 06:09, 4 September 2010 (diff | hist) . . (+1,819) . . N Precision accuracy and uncertainty (Created page with 'In all experimental measurements, there is a degree of uncertainty. This is usually dependent on: # The limitation of the measuring instrument. (section 1.5.1) # The skill of th…')
- 05:52, 4 September 2010 (diff | hist) . . (+2) . . Dimensional analysis (→Example: Express 0.5 mg in µg)
- 05:52, 4 September 2010 (diff | hist) . . (+47) . . Dimensional analysis (→Example: Express 0.5 mg in µg)
- 05:51, 4 September 2010 (diff | hist) . . (+46) . . Dimensional analysis (→Example: Express 0.5 mg in µg)
- 05:50, 4 September 2010 (diff | hist) . . (+34) . . Dimensional analysis (→Example: Express 0.5 mg in µg)
- 05:49, 4 September 2010 (diff | hist) . . (+2) . . Dimensional analysis (→Example: Express 0.5 mg in µg)
- 05:49, 4 September 2010 (diff | hist) . . (+6) . . Dimensional analysis (→Example: Express 0.5 mg in µg)
- 05:48, 4 September 2010 (diff | hist) . . (0) . . N File:Mg to ug wronganswer.gif (current)
- 05:48, 4 September 2010 (diff | hist) . . (0) . . N File:Mg to ug 0.5mg.gif (current)
- 05:48, 4 September 2010 (diff | hist) . . (0) . . N File:Mg to ug.gif (current)
- 05:47, 4 September 2010 (diff | hist) . . (+9) . . Dimensional analysis (→Example)
- 05:46, 4 September 2010 (diff | hist) . . (+2,528) . . Dimensional analysis
- 05:41, 4 September 2010 (diff | hist) . . (+7) . . Dimensional analysis
- 05:39, 4 September 2010 (diff | hist) . . (-1) . . Dimensional analysis
- 05:39, 4 September 2010 (diff | hist) . . (+10) . . Dimensional analysis
- 05:38, 4 September 2010 (diff | hist) . . (+1,286) . . N Dimensional analysis (Created page with 'Many calculations in chemistry require that we convert quantities from one set of units to another. Whether we are trying to convert between the British system of units and t…')
- 20:52, 3 September 2010 (diff | hist) . . (+137) . . Main Page
- 20:01, 3 September 2010 (diff | hist) . . (+1) . . Scientific notation (→External link)
- 20:00, 3 September 2010 (diff | hist) . . (-6) . . Scientific notation (→External link)
- 20:00, 3 September 2010 (diff | hist) . . (+1,512) . . N Scientific notation (Created page with 'Scientific notation is a very useful system of writing figures that are extremely large or extremely small. Scientific notation uses exponents to express figures. For example, …')
- 18:16, 3 September 2010 (diff | hist) . . (-12) . . Temperature (→Kelvin)
- 18:16, 3 September 2010 (diff | hist) . . (0) . . N File:OC to K.gif (current)
- 18:16, 3 September 2010 (diff | hist) . . (+643) . . Temperature
- 18:14, 3 September 2010 (diff | hist) . . (+28) . . Temperature (→Conversion from °F to °C)
- 18:14, 3 September 2010 (diff | hist) . . (0) . . N File:OF to oC plain.gif (current)
- 18:13, 3 September 2010 (diff | hist) . . (0) . . N File:OF to oC hint2.gif (current)
- 18:13, 3 September 2010 (diff | hist) . . (0) . . N File:OC to oF hint1a.gif (current)
- 18:13, 3 September 2010 (diff | hist) . . (0) . . N File:OC to oF hint1.gif (current)
- 18:13, 3 September 2010 (diff | hist) . . (+415) . . Temperature
- 18:03, 3 September 2010 (diff | hist) . . (+4) . . Temperature (→Conversion from °C to °F)
- 18:03, 3 September 2010 (diff | hist) . . (0) . . N File:OC to oF.gif (current)
- 18:03, 3 September 2010 (diff | hist) . . (0) . . N File:ArrowDown.jpg (current)
- 18:02, 3 September 2010 (diff | hist) . . (+733) . . N Temperature (Created page with 'There are three common temperature scale: * Fahrenheit (°F) * Celsius (°C) * Kelvin (K) ==Conversion from °C to °F== # Between the freezing point and boiling point of wate…')
- 17:54, 3 September 2010 (diff | hist) . . (+28) . . British system (→External Links)
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