Answer :
ANSWER:
-23 ° C
STEP-BY-STEP EXPLANATION:
With the data of the statements we can propose the following equation
[tex]-13=A-B[/tex]We replace by A and solve for B:
[tex]\begin{gathered} -13=-36-B \\ B=-36+13 \\ B=-23 \end{gathered}[/tex]Chemical B freezes at -23 ° C