What is the percent mass of ethanol in a solution containing 4.7 g of ethanol (C2H5OH) dissolved in 15 g of water?

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Which of the following describes a situation where competition between producers exists