Which of these is an irreversible physical change

A. freezing water

B. condensing steam

C. splitting a diamond

D. stretching a rubber band

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When 10 grams of copper and 10 grams of iodine are mixed, what is the theoretical yield of copper I iodide? 2Cu + I2 → 2CuI

Why do all my Girlfriends always cheat on me? I do nothing wrong and I treat them like no man ever has before. In a good way of course!

ammonia reacts with oxygen to produce nitrogen monoxide and water. what volume of nitrogen monoxide will result a complete reaction with 2800 l of oxygen at stp?

The period of a ripple on a lake is half a second. what is the frequency of the wave

Heat energy is transferred to the pot; heat energy is transferred to the liquid; heat energy A) is lost. B) stays in the liquid. C) leaves the pot as the liquid boils. D) is transferred to the spoon and air.

When do scientist rely on estimates

Based on the diagram below, rank the three objects from least dense to most dense. Beaker and objects A. Object X, object Z, object Y. B. Object Z, object Y, object X. C. Object X, object Y, object Z.

Which of these statements are not true about a chemical reaction rate? A) Temperature does not affect the reaction rate. B) Temperature can decrease the reaction rate. C) The amount of reactants can increase the reaction rates.

What is calcium's matching element