Is copper sulfate a mixture

Does Silicon form a cation or is it anion?

Luminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. in this reaction, what is the formula for sulfuric acid

Which statement about enthalpy is true? The enthalpy of formation for a pure element in its standard state is always positive. The enthalpy of formation for a pure element in its standard state is always negative.

HCL is slowly added to aqueous Na2CO3 forming NaCl, H2O, and CO2. Follow the steps above to write a balanced equation for this reaction.

How many moles are there in 15 grams of: CaCO3 204 grams of: Al203

Identify the spectator ions in the following complete ionic equation. Ba2 + (aq) + 2I - (aq) + 2Na + (aq) + SO2-4 (aq) →BaSO4 (s) + 2I - (aq) + 2Na + (aq)

What does conserving mas mean in a chemical equation

Theo mixes cake batter and places it in the oven at 350°F for 45 minutes. Explain what type of reaction baking a cake represents in terms of energy.

Which is the strongest acid listed in the table

What is the molality of a solution containing 4.0 moles of solute in 3.2 kg of solvent? Round to the nearest tenth.