In which type of chemical reaction do two or more substances combine to form one substance?
a) synthesis
b) decomposition
c) single replacement
d) double replacement

An experimental procedure requires a 10 ml of acid to be dissolved

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99