3 CACO3+2H3PO4>CA3(PO4)2+3 CO2+3 H2O

What is the independent variable in this investigation? mass volume sample number substance density

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene