Please answer 1. What is the difference between magma and lava?

2. Under what circumstances do large crystals form from a cooling magma?

3. Under what circumstances do small crystals form from a cooling magma?

4. What happens to the mineral particles in salt water when the water evaporates?

5. Explain how halite forms.

6. Explain how mineral veins form.

For the following, determine the type of reaction and then give products.

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

What is the value of keq for the reaction expressed in scientific notation?