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Questions in chemistry

[Homework Help] Explain how tectonic plate movement could create another supercontinent like Pangaea.

[Homework Help] Covalent bonds are in the air you breathe and the water you drink. How are covalent bonds formed? A. Between atoms with more electrons than protons B. Between atoms that share electrons C. Between atoms with more neutrons than protons

[Homework Help] How could two objects have the same temperature but different thermal energy?

[Homework Help] State one reason that cells are small.

[Homework Help] If 1 bus = 12 cars, 3 cars = 1 truck, and 1000 basketballs = 1 truck, how many basketballs can be carried by 8 buses?

[Homework Help] Explain why a solution can have many solutes, but only one solvent.

[Homework Help] What element on the periodic table is a radioactive gas with 136 neutrons?

[Homework Help] What is the molarity of 5.00 g of NaOH in 750.0 mL of solution?

[Homework Help] 1) Solid sodium iodide does not conduct electricity. Why does a sodium iodide solution conduct electricity? 2) When sodium iodide is electrolyzed, iodine is formed at the positive electrode. Complete and balance the half-equation for the formation of iodine: \[ 2 \text{I}^- \rightarrow \text{I}_2 + 2 \text{e}^- \] 3) What is formed at the negative electrode when sodium iodide solution is electrolyzed? Explain why.

[Homework Help] Distinguish between the terms "insoluble" and "unsaturated." Give an example to illustrate each term.