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Moles, etc
Reactions
Nomenclature
Stoichiometry
Molecular structure
100
The number of moles in 100.g of Magnesium.
What is 4.12 moles.
100
3 elements that are always written in diatomic form when they appear in a chemical equation.
What are H2, N2, O2, F2, Cl2, Br2, I2
100
The correct systematic name for this compound is... NO2
What is nitrogen dioxide.
100
What do the coefficients in a balanced chemical equation represent?
What is A RATIO OF MOLES.
100
The shape of a molecule of carbon dioxide.
What is LINEAR.
200
The mass of 2.50 moles of carbon dioxide.
What is 110.g.
200
A chemical equation that shows a single reactant producing several products can be classified as a _______________ reaction.
What is DECOMPOSITION.
200
The correct formula for magnesium nitrate.
What is Mg(NO3)2
200
When hydrogen gas and oxygen gas react to form water, they do so on a ratio of...
What is a ratio of 2 H2 to 1 O2.
200
Give the formula of a compound that has a tetrahedral molecular structure.
What is CH4 (or any other suitable choice).
300
The heat of fusion of ice is 6.02 kJ/mol. How many moles of ice can be melted in the consumption of 500. kJ?
What is 83.1 moles.
300
Write a balanced equation for the reaction of magnesium metal with oxygen gas.
What is 2 Mg + O2 --> 2 MgO
300
The formula for a common household chemical that is a binary covalent compound that behaves as a weak Bronsted base in water.
What is NH3 (ammonia).
300
The SUM of the coefficients once this equation is correctly balanced with whole numbers equals... TiI4 + Na --> NaI + Ti
What is 10.
300
The molecular shape for a molecule of SO2 is...
What is BENT.
400
Mass percentage of hydrogen in zinc hydroxide.
What is (2/99) x 100 = 2%
400
Balanced equation for the synthesis of aluminum chloride from its elements.
What is 2 Al + 3 Cl2 --> 2 AlCl3
400
The compound heptane contains ____ carbons.
What is SEVEN.
400
The decomposition of 25g of NaCl into its elements will produce what mass of chlorine gas?
What is 15 g.
400
Which of the following molecules is NONPOLAR? (there may be more than one, and you must choose ALL correct answers). H2O CO2 CH4 HCN F2 SO3
What is CO2, CH4, F2, SO3
500
How many electrons are present in 9.00 g of water?
What is 3.01 x 10 ^24
500
Balanced equation for the neutralization of nitric acid with calcium hydroxide.
What is 2 HNO3 + Ca(OH)2 --> 2 H2O + Ca(NO3)2
500
Condensed molecular formula for 3-ethyl-2-methyl pentane.
What is C8H18
500
Nitrogen gas reacts with hydrogen gas to produce ammonia. The reaction of 0.250 mole nitrogen will require ______ moles of hydrogen.
What is 0.750 mole.
500
Draw a detailed molecular structure for a molecule of 3-bromo-2-methyl hexane.
What is.... your teacher will let you know if your answer is right! Can't type it in here!!