evangeline

This page lists questions and answers that were posted by visitors named evangeline.

Questions

The following questions were asked by visitors named evangeline.

The following describes the reaction between a copper penny and nitric acid in an open beaker: Cu (s) + 4 HNO3 (aq) --> Cu(NO3)2 (aq) +2 H2O (l) + 2 NO2 (g) The mass of the beaker and contents was monitored until the reaction ended. The results: (224.6g,...
3 years ago

Answers

The following answers were posted by visitors named evangeline.

Steve answer is not clear..
9 years ago