What is the number of molecules in 500cm? of oxygen under room conditions?

22

a. 1.25 x 10 22

b. 1.34 x 10

c. 3.0 x 10 22

d. 3.0 x 10 26

Answer:

What is the molarity of a solution that contains 15.0g of naoh per 500.0 ml of solution

Silver and gold are both considered coinage metals. How does a mile of silver compare with a mole of iron? A) a mole of gold has more atoms B) they both have the same number of atoms C) a mole of silver has more mass D) they both have the same mass

Is na2S an ionic compound, covalent compound, or acid

The correct electron dot formula for hydrogen chloride is

As temperature increases, the amount of solute that a solvent can dissolve increases. True False

Which is not true of the standard conditions for electrochemical cell measurements? Gases are at 1 bar pressure. Liquids are in the pure state. Solids are in the pure state. Solutes are at 1.0 M concentration. The cell voltage is always positive.

When a solid is formed from the combination of two solutions of ionic compounds it is called?

Type in the correct number for each question in the text box provided. Consider the synthesis of one molecule of glucose.

A particular yeast ferments glucose (c6h12o6; molar mass = 180.2 g/mol) and generates ethanol (c2h5oh; molar mass = 46.07 g/mol) with an 87% yield. what mass of glucose is required to produce 475 g of ethanol by this process?

You purchase several rolls of fiberglass insulation and pay extra for installation. Have you purchased a product or a service?