A balanced chemical equation shows the proportions of reactants and products necessary for

If a sample of nitrogen gas (N2) contains 1.2 x 10^24 atoms of nitrogen, then about how many moles of nitrogen gas are in the sample? 5.0 1.0 2.5 3.0

35 When lithium reacts with bromine to form the compound LiBr each lithium atom (1) gains one electron and becomes a negatively charged ion (2) gains three electrons and becomes a negatively charged ion (3) loses one electron and becomes a

Which best describes the oxidizing agent in this reaction? Cl2 (aq) + 2Br (aq) - - > 2Cl (aq) + Br2 (aq)

What is the oxidation state of Cd

An electron is moving northward in a magnetic field. the magnetic force on the electron is toward the northeast. what is the direction of the magnetic field?

Using your periodic table identify the radioactive isotope;

What is the ∆G for the following reaction under nonstandard conditions for the formation of NH4NO3 (s) ?. 2NH3 (g) + 2O2 (g) NH4NO3 (s) + H2O (l). Given:. NH4NO3: ∆Hf = - 365.56 kJ ∆Sf = 151.08. NH3: ∆Hf = - 46.11 kJ ∆Sf = 192.45. H2O: ∆Hf = - 285.

Prokaryotes divide by a form of asexual reproduction called binary fission in which Question 1 options: A cell divides into two cells with identical genetic information. A cells divides into two cells with different genetic information.

7. Which of the following pairs of atoms are isotopes? a) C14 & N14 b) U235 & U238 c) C12 & C12 d) C12 & N14 e) None of the choices are correct

Which property of an object changes when an unbalanced force acts on it? A. Mass B. Inertia C. Velocity D. Temperature