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Screen Capture - 2017 May 16 01:13:51
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Double displacement reaction practice problem.
Question: How do we work with double displacement reactions?
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How to find the molecular mass given grams
Questions: How do you find molecular mass?
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How to know if the reaction is redox or not.
Question: Is the reaction redox?
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FInding each element's mass in a compound given its mass in grams. Conversions.
Questions: How do we find the mass of one part of a compound?
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Finding pH.
Question: When does pH increase or decrease?
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How to find mass, using the molar map.
Question: What mass of water is produced?
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How to write and balance chemical equations.
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How to calculate pH.
Question: Aleks problem
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Catalysts and exothermic reactions. What catalysts do. Equilibrium constants.
Question: What does a catalyst do in a reaction?
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Energy level in both reactions. How to work with both reactions.
Question: What is an exothermic/endothermic reaction?
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DIlution problem, finding molarity/volume.
Question: How do you find the unkown molarity/volume?
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DIlution problem, finding molarity/volume.
Question: How do you find the unkown molarity/volume?
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Finding molarity by converting units.
Question: How do we find molarity?
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Finding molarity given that it is equal to moles/L.
Question: What is molarity equal to?
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Temperature conversion.
Question: How to convert Celcius to Fahrenheit
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This video discusses significant figures.
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How to calculate the heat capacity and also heat of fusion.
Question: Find the heat required to boil 100g of etanol.
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Practice problems with given and missing variables of the equation.
Question: What is the forrmula and what does Q, M, C,and delta T mean?
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Atoms composition.
Question: What is the atom composition?
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Scientific notation calculations.
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How to calculate the heat of fusion and vaporization of benzene.
Question: whta is the heat required to melt 46.5g of solid benzene?
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Atomic number, protons, columns, rows.
Question: What do we see when we look at an element on the table?
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How size decreases in the table. How energy increases in the table.
Question: How do size and energy change throughout the table?
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This video discusses physical and chemical properties.
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Polar molecules. Lewis structure. Finding the shape of molecules.
Question: How to determine polarity of a molecule?
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Ideal gas law formula. Finding T.
Question: What is the Ideal Gas Law?
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Precipitations. Acid base chemistry. Gas evolution reactions.
Questions: How do we classify chemical reactions?
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Using Gay Lussac's Law. Given temp 1, pressure 1 and pressure 2.
Question: What is the required temp to change the pressure to standard pressure given the information?
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Calculating volume 2 with Charle's Law.
Questions: How do you use Charle's Law?
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