What can most likely be concluded about these substances

Is it possible to turn one metallic element into a different metallic element in a chemical reaction? Explain.

How do you know that melting ice is a physical change? Use words to describe what energy is What type of energy causes a rain puddle to disappear on a sunny day? A plumber uses a torch to heat a copper pipe in order to bend it.

The mole fraction of oxygen molecules in dry air is 0.2095. What volume of dry air at 1.00 atm and 25°C is required for burning completely 1.00 L of octane (C8H18, density = 0.7025 g/mL), yielding carbon dioxide and water?

If 4.50 mol of ethane, C2H6, undergo combustion according to the unbalanced equation C2H6 + O2 CO2 + H20, how many moles of oxygen are required?

A chemical names an element

1. Does the temperature rise or drop when you mix vinegar and baking soda. 2. Does the temperature rise or fall when you mix baking soda and water.

Use the balanced equation from number four above to determine the limiting reactant if we had a mixture of 5.0 moles of Fe and 4.0 moles of O2.

Using the kinetic theory what happens to oxygen particles as they are cooled

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.

You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." the soy milk is most likely a