Drawing (forming) blocks of copper into copper wire is an example of a physical change. true or false

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

What effect might melting sea ice have for people who live in coastal areas?

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.