Calculate the mass number for an atom that has 45 neutrons and 35 electrons.

The compound formed between lithium and nitrogen would be which of these letter choices? A. Li3N B. LiN3 C. LiN D. Li3N3

A + B = C + D + heat Which reactions are exothermic and which are endothermic? (forward and reverse)

What is the definition of tributary

Does a larger cube have more mass than a smaller cube

How many moles are in 15.0 g of copper (ii) sulfate?

The data below were collected for the following reaction at 500 ∘C: CH3CN (g) →CH3NC (g) Time (h) [CH3CN] (M) 0.0 1.000 5.0 0.794 10.0 0.631 15.0 0.501 20.0 0.398 25.0 0.

How do i convert 3.00 moles H2 to molecules?

How can you use the chemical formulas for sucrose (C6H, 20,) and rust (Fe, O,) to classity them ionic or molecular compounds?

What is true of energy as is passes through an ecosystem? a. All of the energy in an organism is used by the animal that eats it. b. Any stored energy in an organism is used by the animal that eats it. c.

Which can associate a suspect and the firing of a gun? (its not b) A) markings on the gun's exterior B) markings on the casing C) markings on the bullet D) powder residues