Observation And Assessment

How do u find net force

A child goes to the kitchen sink to rinse the glass from which he just drank grape juice. as the water runs into the glass, the juice residue turns from ppurple to light blue what is happening

What do rabbit tree and fungus have in common

Which of the following is a combustion reaction? a 2H2O 2H2 + O2 b 2AgNO3 + H2S yields Ag2S + 2NHO3 c CH4 + 2O2 yields CO2 + 2H2O d 2Al + N2 yields 2AlN

How many lone pairs are on the central atom in BCl3

A 2.00 L sample of gas at 35 C is to be heated at constant pressure until it reaches a volume of 5.25 L. To what Kelvin temperature must this sample be heated?

Of the following reactions, which one produces oxygen gas? Fermentation Anaerobic respiration Aerobic respiration Photosynthesis

Describe the electrodes in this iron-copper galvanic cell.

What happens to wood when it burns?

El cuerpo humano tiene unos 6 billones de células (6,0x1012) y la población de la Tierra es de unos 8 000 millones de personas. Con estos datos aproximados, calcula las moles de células humanas que hay en la Tierra.