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Questions in chemistry

[Homework Help] What do scientists do that is the basis for their investigation?

[Homework Help] What is the density of neon at room temperature?

[Homework Help] Is the formation of a limestone cave a physical change?

[Homework Help] Is a bugle energy or matter?

[Homework Help] What is the difference between a molecular formula and a molecular model?

[Homework Help] Consider three gases: Ar, SF6, and Cl2. If 50.0 grams of these gases are placed in each of three identical containers, which container will have the highest pressure? The volume and temperature of all three containers are the same.

[Homework Help] One side of a cube is 6 cm long and it weighs 220 g. What is the density of the cube?

[Homework Help] Why do most proteins require a near-neutral pH?

[Homework Help] What are the three steps scientists take to evaluate a scientific explanation?

[Homework Help] Summarize Rutherford's model of an atom, and explain how he developed this model based on the results of his famous gold-foil experiment.