The concentration of a reactant is 4.0 x 10-2mol/L at t = 2.0 min. If the average consumption speed
of this reagent from t = 1.5 min to t = 2.0 min was
0.045 mol/L-s, what was its concentration at
t=l,5min?

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a