Barrons SAT Subject Test Chemistry, 13th Edition

TIP When a gas is collected over water, subtract the water vapor pressure at the given temperature from the atmospheric pressure ...

Type Problem Hydrogen gas was collected in a eudiometer tube over water. It was impossible to level the outside water with that ...

set of conditions, the terms on the right side of the equation are equal to the same constant, so P 1 V 1 = P 2 V 2. This matche ...

Once R is known, the Ideal Gas Law can be used to find any of the variables, given the other three. For example, calculate the p ...

Substituting in the equation, we have TIP Least deviations occur at low pressures and high temperatures. High deviations occur a ...

The following terms summarize all the concepts and ideas that were introduced in this chapter. You should be able to explain the ...

The Ideal Gas Law http://jersey.uoregon.edu/vlab/Piston/index.html This site offers an experimental exercise to interact virtual ...

(B) displacement (C) fractional distillation (D) filtration 6. When oxygen combines with an element to form a compound, the resu ...

When the level of mercury inside a gas tube is higher than the level in the reservoir, you find the correct pressure inside th ...

Directions: Every set of the given lettered choices below refers to the numbered questions immediately below it. For each number ...

Stoichiometry (Chemical Calculations) and the Mole Concept 6 These skills are usually tested on the SAT Subject Test in Chemistr ...

Avogadro’s number. THE MOLE CONCEPT Providing a name for a quantity of things taken as a whole is common in everyday life. Some ...

diatomic manner (two atoms) based on the way they are generally found to exist. This is not to say that you could not count mole ...

Example 4 Find the molar mass of CuSO 4 · 5 H 2 O (this is a hydrated ionic compound known as copper(II) sulfate pentahydrate). ...

Example 1 Find the number of moles of silicon present in 4.30 g of silicon. Recall that silicon is an element that is not diatom ...

Example 1 Find the molar mass of a gas when the density is given as 1.25 grams/liter. Because it is known that 1 mole of a gas o ...

STOICHIOMETRY: MOLE-MOLE PROBLEMS The types of mole problems investigated so far have been ones involving only one substance. Ch ...

quantities they can easily measure. A mole is an amount impractical to actually count out in the lab. That’s why the concept of ...

equations, for reactions involving gases, allows for volume-volume stoichiometry problems to be calculated. In volume-volume pro ...

was first noted by the French scientist Joseph Louis Gay-Lussac and is sometimes called Gay-Lussac’s Law of Combining Gases. Thi ...