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Questions in chemistry

[Terjawab] What is the highest point of a transverse wave called?

[Terjawab] Which of the following descriptions explains the process of water freezing? A. Water molecules speed up until they escape into a different phase. B. Water molecules slow down until they begin to form stronger bonds together. C. As water molecules cool, their shape changes from rounded to irregular, making them more likely to link to one another. D. Water molecules are squeezed together by high pressure until they begin to stick to one another.

[Terjawab] A rock is dropped into a graduated cylinder containing 40 mL of water. The new volume is 47 mL. What is the volume of the rock? A) 4 mL B) 47 mL C) 7 mL D) 87 mL E) 11 mL I think it is 7 mL. Am I correct?

[Terjawab] Identify the limiting reactant when 6.33 g of [tex]H_2SO_4[/tex] reacts with 5.92 g of [tex]NaOH[/tex] to produce [tex]Na_2SO_4[/tex] and water.

[Terjawab] What are the components of clean air?

[Terjawab] What reactions are involved in making plastic bags, and what are the molecules that make up a plastic bag like?

[Terjawab] What two particles account for almost all of the mass of an atom?

[Terjawab] How many liters of a 4M solution can be made using 100 grams of lithium bromide?

[Terjawab] A golf ball and a bowling ball are moving and both have the same kinetic energy. Which one is moving faster? If they move at the same speed, which one has more kinetic energy?

[Terjawab] How do you decide whether an observed property of matter is a physical or a chemical property?