How many moles of sodium are required to produce 40. grams of NaOH? *

2Na + 2H20 (arrow) 2NaOH +H2

.25 moles
.50 moles
1.0 mole
2.0 moles

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.