How many moles of nitrogen are contained in 1.61 x 10^24

From ammonia gas, one can obtain two different gases, each of which is a pure substance. Using only this information, it can be said with certainty that: A. ammonia cannot be an element B. neither of the products can be an element C.

Which is an example of a compound? And why? Water Iodine Gold Sand

Which characteristic most likely describes the water in Lake Taal? Select the correct answer. o The water will appear slightly red. O The water will have a slippery feel. The water will taste bitter. The water will taste sour.

In looking at the bolded atoms in the answer choices, which pair consists of molecules having the same geometry? view available hint (s) in looking at the atoms in the answer choices, which pair consists of molecules having the same geometry?

The mole fraction of carbon dioxide (xco2) in water is 0.25. determine the molarity of co2. (assume the density of the solution is 1.0 g/ml.)

how do we know isotopes exist?

Is albinism a dominant or recessive trait

If T = dominant, and t = recessive, what would the genotypes be?

What problem would unlimited cell growth pose for a cell

Complete the following analogy. Homogeneous is to soluble particles as heterogeneous is to A. solute particles. B. solvent particles. C. insoluble particles.