What mass of NH3 can be made from 1221g of H2 and excess N2

The number of nucleons in an atom is the atom's (atomic, mass) number.

The molar mass of nitrogen gas is 28.0g/mol. A 100.0-g sample of air contains how many moles of nitrogen

If a solution conducts electricity, it it positive evidence that

You place air in a sealed can at stp. ypu triple its absolute temperture (K) while leaveing the volume constant. what happenes to the pressure

Assume that you have an unknown consisting of an aqueous solution of a salt that contains one of the ions listed above. Which ions must be absent on the basis of each of the following observations of the unknown? a. CO3 b. Cr2O7 c. NH4 d. Ba e. Al

What is the balanced equation for S8 + O2 →SO3

Carbon can share a maximum of how many of its valence electrons when bonding to other atoms? 2 4 6 Cannot be determined

After Callie obtained her original results, she wanted to dig deeper. She determined that the germinating corn seed had utilized 100 molecules of glucose in the first few seconds that she performed the experiment.

The mineral vanadinite has the formula pb5 (vo4) 3cl. what mass percent of chlorine does it contain?

What is the energy of a photon of green light with a frequency of 5.76 times 10 to the fourteenth s to the negative one