A 500 g block of metal absorbs 5016 J of heat when its temperature changes
from 20.0 ⁰C to 30.0 ⁰C. Calculate the specific heat of the metal.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =