People once believed organisms could grow from food or dirt. How might the scientific study of cells have affected this view?

3) The acronym m/s stands for? A. millimeters per minute B. meters per second C. millimeters per second D. centimeters per second

A 0.250-g chunk of sodium metal is cautiously dropped into a mixture of 50.0 g of water and 50.0 g of ice, both at 08C. The reaction is 2Na (s) 1 2H2O (l) 88n 2NaOH (aq) 1 H2 (g) DH 5 2368 kJ

The chemical formula of glucose is C6H12O6, so it is classified as a (n) Question 4 options: pure substance. element. solution. mixture.

All of the following are abiotic factors in an ecosystem except? A) minerals B) soil C) Plants D) temperature

What type of reaction takes two elements or molecules and combines them together to produce a single molecule? A. a synthesis reaction B. a hydrolysis reaction C. an electrolytic reaction D. a decomposition reaction

Is this base a physical or chemical property?

Classify each of the following aqueous solutions as a nonelectrolyte, weak electrolyte, or strong electrolyte. a) LiClO4 b) HClO c) CH3CH2CH2OH d) HClO3 e) CuSO4 f) C12H22O11

Give examples of temporaty physical change

Which of these is a source of sediment? A. Fragments of other rocks B. Chemicals and Minerals dissolve in water C. Sea shells D. All of the above

Which resonance forms of silicon dioxide contribute the most to the actual bonding?