Cards in this guide (10)
What is the equation of methane with bromine in the presence of sunlight
CH4(g) + Br2(g) -----------------> CH3Br(g) + HBr(g)
(sunlight/UV Light)
What does percent composition tell you about a molecule
It tells you how much of a molecule is made up of each element. - APEX
How does one determine a percent composition from an empirical formula
divide the total mass of the element by the mass of the compound
and multiply by 100%
What are the substances you end up with in a chemical reaction called
What reaction shows a compound breaking apart into separate substances
What is another way of writing 3.78 x 105
Another way of writing 3.78x105 is 396.9.
What is the best definition of a physical change
Answer this question… Which of the following is the best
definition of a physical change?
Which concentration unit is independent of temp
The unit of concentration is Molar = Moles/Litre.
What happens in a double replacement reaction
In this reaction a change of bonds of the reactants occur: the general form is:
AB + CD = AD + BC
so3 is an empirical formula for which of the following A. so4B.s2o6C.s4o2D.s2o3