Laney left a nail in water for two weeks, and the nail became rusted from sitting in the water. What kind of change occurred?
A
decomposition change
B
chemical change
С
physical change
D
change of state

Drag each tile to the correct box arrange the layers not order from oldest to youngest

Why is the structure of molecule important to its function?

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.