Explain why the

metal part of a seatbelt will become so much hotter in summer than the cloth part of

the seatbelt.

9. Which of the following is true? A. The least reactive element in group 2 is the one with the largest atomic radium and the least amount of attraction between the nucleus and the valence electrons. B.

What changes in every chemical reaction besides forming and breaking of chemical bonds?

In the reaction Mg (s) + 2HCl (aq) → H2 (g) + MgCl2 (aq), how many moles of hydrogen gas will be produced from 250.0 milliliters of a 3.0 M HCl in an excess of Mg? 0.75 moles 0.38 moles 3.0 moles 1.5 moles

A solution has a pH of 12. This solution is: Your answer: acidic neutral basic

What is the formula of the compound formed between the potassium ion and the sulfide ion?

According to the second law of thermodynamics, the entropy of any system always increases. According to the second law of thermodynamics, the entropy of any system always increases. True False

If the density of Cu is 8.96g/cm cubed, what is the volume of 28kg of Cu?

A piece of iron can change in different ways. How is iron bending different from iron rusting?

Which organism would least likely be selectively bred A) Dandelions B) Nantes Carrots C) Belgian Blue Cattle D) Hypoallergenic Cats

You are given a clear solution of KNO3. Using 3-4 sentences explain how you would determine if the solution is unsaturated, saturated, or supersaturated