Ammonia gas decomposes according to the equation: 2nh3 (g) → n2 (g) 3h2 (g) if 15.0 l of nitrogen is formed at stp, how many liters of hydrogen will be produced (also measured at stp)

Copper has an atomic number of 29. that means that there are 29 protons in the nucleus of each copper atom. That's what the atomic number is; the number of protons in an atom of a certain element.

What type of mixture is a medicine with a label that reads "shake well before using."? A. Solution B. Alloy C. Suspension D. Colloid

What is the role of a strong acid catalyst in an elimination reaction?

When zinc is exposed to air, zinc oxide is produce. What happens in this reaction

Which of these is not an official si unit of measure? a. kelvin b. degree celsius c. secondd. liter

What type of mixture is 100 ml of water with a little bit of salt?

Which statement explains why meiosis haploid cells rather than diploid cells

Which factors can affect the amount of coco mix that can be dissolved in water? Check all that apply

If 25% of a radioactive element remains after 1,000 years, what is the half-life?

How many valence electrons do the alkaline-earth elements have? a. 1 b. 2 c. 7 d. 8