What is the chemical compound for FeBr2

Describe the two known major natural mechanisms for converting atmospheric nitrogen to useable forms.

Complete the balanced overall ionic equation for lead (ii) nitrate dissolving in water. $$pb (no3 ) 2 (s)

N2 is the form of nitrogen that animals use.

What chemical warfare agent (cwa) primarily attacks the airway and lungs, causing irritation of the entire airway from the nose to the lungs resulting in what is commonly known as dry-land drowning?

Two examples of common items that use chemical change

How many moles of Na are needed to produce moles of NaCl in the reaction below 2 Na + Cl2-->> 2 NaCl A. 2 moles B. 8 moles C. 1 mole D. 4 moles

If A is slowly added to a solution containing 0.0500 M of B and 0.0500 M of C, which solid will precipitate first? The solubility product constant for A2B3 is 2.30*10-8. The solubility product constant for AC4 is 4.10*10-8.

Research three different types of fire extinguisher and explain how these can be used to put out different fires, you must relate this to the fire triangle and the section that is removed

If a mineral has a daughter to parent ration of 3:1 (three daughter atoms for every one parent atom), how many half-lives have passed since the mineral formed?

What is true of the enthalpy value of an intermediate reaction? A. It always has a negative enthalpy value B. It is multiplied by 2 if the intermediate reaction is multiplied by 2 C. It is the same as the total enthalpy of reaction D.