If 75 g of liquid water in a calorimeter changes temperature from 25 degrees C to 75 degrees C how much heat was transferred

Which is the noble gas notation for chlorine? A-[Ne] 4s2 4p5 B-[Ne] 3s2 3p5 C-[Ne] 3s2 3p3 D-[Ne] 3p2 3p5

In the redox conversion of Ni2 + to NiO4-, the oxidation number of Ni goes from (-2, 0, + 2) to (-1, + 1, + 7, + 9). Recall that the oxidation number of oxygen is typically - 2. 1. 0; + 9 2. + 2; + 7 3. + 2; - 1 4. - 2; + 9 5. - 2; + 7 6. 0; + 1 7.

The distance from the Sun to the Earth would be

Which element is a solid at STP and a good conductor of electricity? (1) iodine (3) nickel (2) mercury (4) sulfur

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How many valence electrons in Al3+?

What can be done to make an solid solute dissolve faster in a liquid solvent

Why does the water cycle happen fast in some places and slowly in other places?

Why does the mood have phases

According to Arhennius, which of the following is a base? * A. HCl B. HNO3 C. NaCl D. NaOH