Explain the difference between a) constant and proportional error. b) absolute and relative error. c) population mean and sample mean d) quantitative and qualitative analysis in analytical measurement.

What change occurs every time elements form a compound? A. The state of matter in the compound will change. B. Ratio of the elements in the compound will vary. C. Original properties of the elements will change. D.

Why do continental locations have a larger seasonal temperature range than maritime (ocean) locations?

3 parasitism organisms in the ocean?

The thin layer that separates a cells contents from the outside environment is the A. cell membrane b. nucleus c. cytoplasm D. endoplamsin reticulum

Which quantities are conserved in all oxidation-reduction reactions?

Which of the following requires an oxidizing agent? Al yields Al3+ 2 O yields O2 Cl2 yields 2 Cl- Ag + yields Ag

If a color change occurs when two solutions are mixed has a chemical reaction likely occurred?

Using the following thermochemical data, what is the change in enthalpy for the following reaction? Ca (OH) 2 (aq) + 2HCl (aq) → CaCl2 (aq) + 2H2O (l) CaO (s) + 2HCl (aq) →CaCl2 (aq) + H2O (l), ΔH = - 186kJ CaO (s) + H2O (l) →Ca (OH) 2 (aq), ΔH =

1. Calculate the end velocity of a rocket that traveled 16km in 2 seconds. distance time 2. Calculate the rockets acceleration m with a start velocity of 0m/s and the end velocity from #1 for 10 seconds.

How are linear and nonlinear graphs alike