After a reaction has gone to completion, it is not reversible.

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A solution has a pH of 7. Is it considered a (n) A) acid B) base C) neutral substance

Which of the following Period 4 elements has the most metallic characteristics? A) Ca B) Ge C) As D) Br

What is the total displacement of the car after 5 h? A. 40km B. 15km C. 0km D. 20km

Calculate the density of mercury if 1.00x10^2g occupies a bolume of 7.36 cm

What is the [oh-] in a sample of lime juice with a ph of 2.0?

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How to determine the formula is you know g and L?

What are the similarities between low mass stars and high mass stars

The atomic number of calcium (Ca) is 20, and it's mass number is 40. What is true about the subatomic particles that make up a neutral atom of calcium? A) It has 20 protons, 20 neutrons and 20 electrons.