2. An alkane has a relative molecular mass of 58, determine its molecular formula.

If chlorine gas is bubbles through an aqueous solution of sodium iodide, the result is elemental iodine and aqueous sodium chloride solution. What kind of reactions took place?

In which orbitals the valence electrons for carbon (C) be placed

Why does South Pole and North Pole attract each other?

How many protons are there in one atom of hydrogen

Find the formula of the ionic compound made from sodium (Na) and iodine (I).

Consider the following representation of a reaction mechanism. Step 1: Unimolecular (fast) Step 2: Bimolecular (slow) Step 3: Unimolecular (fast) Which conclusion about the rate law for the reaction above is reasonable? A.

1. Which of the following best describes an example of pure chemistry? a) testing the effects of lower concentrations of a drug on humans b) studying chemicals containing carbon c) developing a cure for osteoporosis d) finding an antidote for a new

Problem 1: For which of the following activities might you want to hire a chemist? A. building a garage B. testing a sample of water from a well C. finding a comet D.

Why do most living things need food water and the ability to get rid of waste?

What is the effect of adding more water to the following equilibrium reaction? CO2 + H2O - > 2H2CO3