Which of the following is correct for the equation below?

2P (s) + 3Cl2 (g) → 2PCl3 (g) + 574 kJ

A large organism is made up of many millions of

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In 1982, the United States government changed the way it minted pennies. Before 1982, pennies were made of 95% copper and 5% tin. Now they are made of 97.5% zinc coated with copper.

What would happen if this cell were moved from pure water to a seawater solution?

Why does the Zr4 + ion exist?

How does the magnitude of kp for the reaction 2hi (g) ⇋h2 (g) + i2 (g) change if the equilibrium is written 6hi (g) ⇋3h2 (g) + 3i2 (g) ?

Select the correct answer. Which of these elements is rarely found in organic molecules? A. hydrogen B. oxygen C. barium D. carbon

Can a solution with undissolved solute be supersaturated

What family is the mineral lead in?

What is a greenhouse gas?