DiveScience Exam 2

For Boyle's law, there is direct relationship between pressure and volume.

K is the element symbol for _____

The symbol used to separate reactants from reactants and products from products is ____

Fe(OH)2

A substance is considered solid if particles can diffuse through it.

MnO4 -

The symbol that is used to indicate a liquid is _____

Diffusion is the movement of particals from a region of high concentration towards a region of lower concentration.

Potassium Chloride

How many moles does 100.0 grams of water equal? H = 1.00 g/mole, O = 16.0 g/mole.

4.00 moles of Chlorine gas were collected over water at a temp of 25.0°C and pressure of 102,000 PA. What's the volume?

For Charle's law, there is a direct relationship between temperature and volume.

The symbol used to indicate heat is being added to a reaction is _____

The symbol that is used to indicate an ion dissolved in water is ____

Pressure is the amount of mass exerted on an area.

Initially, the gas occupied 150.3 ml, at a temp of 200.0K. What's the new temp of the gas?

NOBr > NO + Br2

Standard pressure is 760 mm Hg

NH3

[2NH3(g)w --> N2(g)+3H2(g)] How many grams of ammonia are required to form 32.1g of hydrogen?

[2NH3(g)w --> N2(g)+3H2(g)] How many moles are formed when 67.7g of ammonia are reacted?

_____ bonds usually form between elements with very difficult electronegativities.

Avogadro's number equals _____ things

The symbol that is used to indicate a gaseous reactant or product is _____

The element symbol for silver is _____

_____ molecules usually contain covalent bonds.

Dalton's law states the total pressure a mixture of taxes exerts on surface is equal to the sum of the partial pressure

[2NH3(g)w --> N2(g)+ 3H2(g)] How many grams of ammonia are required to firm 32.1g of hydrogen?

CuO

Electrons are _____ in a covalent bond.

The element symbol for aluminum is _____

[2NH2(g)w --> N2(g)+3H2(g)] How many grams of Nitrogen form when 54.2 grams of ammonia are reacted?

Standard temperature is 273 Kelvins

In a substance containing _____ bonds, electrons are free to move.

The analysis of an unknown acid revealed a percent composition of 3.06% hydrogen, 31.63% phosphorous, and 65.31% oxygen.

Electrons are _____ in an ionic bond.

Determine the electron dot structure of carbon dioxide.

KMnO4

NaCl

Select the correct image that fills out the chart correctly.

Empirical formulas give you the simplest whole number ratio of atoms in a compound

Determine the number of electron regions, the number of bonds, and the geometry of carbon dioxide.

H2O

What is the gram formula mass for Potassium chlorate, KCIO3? = 39.1 g/mole, Cl = 35.4 g/mole, O = 16.0 g/mole

The kinetic theory states that particles are in constant motion.

[2NH3(g)w --> N2(g)+3H2(g)] How many moles of nitrogen gas form when 2.0 moles of ammonia are reacted?

What is the percent by mass of sodium in sodium chloride?

Ammonium nitrate

At STP conditions, one mole of any gas occupies 22.4 liters

O2(g)+C8H18(g) > CO2(g) + H2O(g)

Covalent bonds form solids with _____ melting points.

CuSO4

1 atmosphere of pressure = 14.9 mm Hg