It has estimated that 80000 tons of gold have been mined in Ghana. Assuming gold cost 350dollars and ounce, what is the total worth of this quantity of gold in cedis? Take a cedi to be 0.36 of a dollar.

5. How is mercury different from all of the other metals

What poisonous gas is produced by uranium in rocks underneath a house?

Record the temperature shown on the thermometer to the nearest half of a degree. The thermometer shows a temperature of °C.

How do the chemical properties of oxides change from left to right across a period? From top to bottom within a particular group?

when a sample of a gas is cooled it condenses into a liquid. in which of the following ways do the molecules of the original gas sample compare with the molecules of a liquid.

How does temperature affect molecules

The color of Benedictâs solution is blue. What color does it change to in high sugar concentration?

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?

Which element has atoms that can form single, double, and triplecovalent bonds with other atoms of the same element? (1) hydrogen (3) fluorine (2) oxygen (4) carbon

Which of the following statements best describes the basic structure of an atom? Electrons and protons are in motion around a nucleus that contains neutrons Neutrons are in motion around a nucleus that contains protons and electrons Protons are in