'4 sigfigs' presentation slideshows

Matter & Energy

Matter & Energy. Ch.2. (2-1) Chemical E. E that exists in the bonds that hold atoms together When bonds are broken chemical E is released Digesting food. Energy. The capacity to do work SI unit : joule (J) Law of conservation of E : E is neither created nor destroyed

262 views • 18 slides

Error or Uncertainty in Measurement

Error or Uncertainty in Measurement. All measurements have some uncertainty. Some measuring instruments have more uncertainty then others. How much water is in the beaker? 53 mL? 52.8 mL. 52.8mL is more accurate then 53mL but the .8 is uncertain. Significant Figures ( sigfigs ).

430 views • 14 slides

Significant Figures Counting and Rounding

247 views • 4 slides