Which of the following is one way to prevent the corrosion of iron

How would you determine without testing whether a container of a colourless liquid contains ethanol or ethanol and sucrose

How many valence electrons are in magnesium

What would be the final equilibrium temperature of 80.0g of aluminum at 5.0 c having a specific heat of 0.90 is placed in a 100.0 grams of water having a temperature of 60.0 grams?

Which of the following describes electron sharing between two oxygen atoms. A) Each Oxygen shares 6 electrons with the other B) Each Oxygen shares 2 electrons with the other C) Each Oxygen shares 8 electrons with the other D) Each Oxygen shares 1

What is the ph of a solution resulting from 2.50 ml of 0.075 m hcl being added to 35.00 ml of pure water?

Which particles make up the nucleus of an atom? protons and electrons neutrons and electrons protons only protons and neutrons neutrons only

An egg is fried is that a physical or a chemical change

How many mono-; di -; and trichloro derivatives are possible for cyclopentane?

A gas occupies 3.60 L when the temperature is 45.0oC and at 1.02 atm of pressure. What temperature change (in K) will be needed to change the volume to 6.25 L at constant pressure?

When did Pangaea begin to break apart? a. 20 million years ago c. 250 million years ago b. 100 million years ago d. 2 billion years ago.