Consider the equation; N₂ + 3 H₂ → 2 NH₃ What is the mole ratio of hydrogen to ammonia (NH₃) ?

1. 1:1

2. 1:2

3. 3:2

4 5:4

When and how was benzene first used

Identify whether each reaction represents a chemical reaction or a nuclear reaction by filling in the blank with the word 'chemical' or 'nuclear'. CIP + H → 2HCI This represents a reaction H + H He + n This represents a reaction

Which of the precautions listed below is the most effective action to take in guarding against this hazard

What is the mass of sample of material that has a volume of 55.1 cm cubed and a density of 6.72g / cm cubed

Why was it important to mix your solutions in the proper sequence?

If wave A has a frequency of 4.60 x 10^14 s-1, what is the wavelength in nanometers (show your work) ?

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL?

The molar solubility of Ag2CO3 is 0.074M at 10°C. What is the Ksp of Ag2CO3 at the same degree?

You would know you were in the troposphere If? It were raining on you You were floating in space You were flying in a high altitude jet You were in the ozone later

A burning match is an example of a chemical change phase change nuclear change physical change