The reaction 2NO (g) → N2 (g) + O2 (g) has a ΔH =-180.5 kJ.

How much heat will be required to produce 44.8 L of NO by the reverse reaction?

180.5 kJ

301 kJ

322.3 kJ

644 kJ

How chemistry has affected the study microbiology

Metals are malleable because of weak bonds between atoms. This allows planes of atoms to slide past one another and into new positions. Some alloys retain their malleability while others become more rigid. Consider the diagrams in Model 1.

Metallic bonding occurs between atoms of

How many neutrons does element ex have if it's atomic number is 58 and it's mass numbers 156

What is the h + if the ph of a solution is 4.85

What is the density of an object having a mass of 8.0g and a volume of 25cm3

What is a Cilla? (In drawing)

Which term names the group of organisms able to interbreed and produce fertile offspring?

A sample of a compound contains 32.0 g C and 8.0 g H. Its molar mass is 30.0 g/mol. What is the compound's molecular formula

What is the molecular formula of the compound CH2 with molar mass = 42.0 g/mol? C4H8 C3H6 C2H4 C2H18