Find the exact new energies. Expand your formula as a power series in including terms up to second order in . g

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?