Chemical Properties and Conversions

The video tutorial covers the calculation of gold in the ocean, including volume and unit conversions, mass and value calculations, and chemical nomenclature. It explains how to find the volume of the ocean, convert units, calculate the mass and value of gold, and write chemical formulas.

What is the first step in calculating the total grams of gold in the ocean?

• Find the density of gold

• Determine the volume of the ocean

• Calculate the surface area of the ocean

• Convert grams to liters

How do you convert the volume of the ocean from meters cubed to liters?

• Multiply by 1000

• Divide by 1000

• Use a conversion factor from liters to milliliters

• Use a conversion factor from meters to centimeters

What is the density of gold used to convert grams to cubic centimeters?

• 19 grams per cubic centimeter

• 10 grams per cubic centimeter

• 25 grams per cubic centimeter

• 5 grams per cubic centimeter

Which conversion factor is used to find the total value of gold in the ocean?

• 1 gram to 31.1 troy ounces

• 31.1 grams to 1 troy ounce

• 1 troy ounce to 1000 dollars

• 953 grams to 1 troy ounce

What is the price of gold per troy ounce used in the calculation?

• $850

• $1200

• $1000

• $953

What is the charge of a barium ion?

• +1

• +2

• -1

• -2

What is the systematic name for H2SO4?

• Sulfurous acid

• Hydrochloric acid

• Nitric acid

• Sulfuric acid

What is the chemical formula for ferric oxide?

• Fe3O4

• Fe2O3

• FeO

• FeO2

Which element is represented by the symbol 'Mn'?

• Molybdenum

• Mercury

• Manganese

• Magnesium

What is the formula for dinitrogen pentoxide?

• NO2

• N2O5

• NO3

• N2O3