Which of the following is a balanced chemical equation?

2 Mg + HC1 → MgCl2 + H2

SO2 + O2 + 2 H2O → 4 H2SO4

2 Fe2O3 + 3 C → 4 Fe + 3 CO2

H2O2 → H2O + O2

1. What structural property of sodium 4-amino-1-naphthalenesulfonate makes it very soluble in water? 2. You will have to look up the structure of this compound and comment on why it is water-soluble. Simply stating that it's polar

2A + 3B - ->C + D When 5 units of A and 6 units of B are allowed to react, the limiting reactant would be:

The energy exchange with the environment during a chemical reaction is called the heat of reaction. a. True b. False

What would happen if you didn't have chemical energy in your body

Write the complete symbol for the ion with 52 protons, 70 neutrons and 54 electronsp

If 100 grams citric acid react with 100 g baking soda how many grams of carbon dioxide?

What state of matter undergoes changes in volume most easily? a. solidb. liquidc. gasd. frozen

What was the result of the atomic theory?

Explain mitosis and meiosis in your own words.

What device changes mechanical energy into electrical energy? Question 4 options: transformer generator copper wire light switch