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Effective teachers do more than just go through the motions of writing their lesson content and language objectives on the board. Getting the students involved in thinking about the objectives is important. How would you get students involved in learning the lesson content and language objectives.
Calculate the change in internal energy of the following system: a balloon is cooled by removing 0.654 kJ of heat. It shrinks on cooling, and the atmosphere does 385 J of work on the balloon.
When a 3.00-g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 2.472 kJ·K-1, the temperature decreases by 0.280 K. Calculate the molar heat of solution of KCl in kJ/mol
calculate the density of hydrogen bromide gas in grams per liter at 733 mmhg and 46 degress celsius.
We had a 0.10 M solution of acetic acid in water. We then placed 2 mL of the 0.10 M solution and 2 mL of toluene into a dropper and mixed. We did some magic and had
Explain why it is important that the glassware and reagents used in a Grignard reaction are completely dry. Write an equation that describes what happens if phenylmagnesium bromide reacts with water.
an analytical lab needed to determine the content of phosphorus in a commercial sample of plant food. the phosphorus in
For a protein w/ a molar mass of 1x10 6 u, calculate the molar concentration required to obtain an osmotic pressure of 10 matm at 25 degrees C.______M
Pretend that the HCl of this reaction is used in the neutralization of 45mL of a solution of Ga(OH) 3. What was the molarity of the Ga(OH)3 solution
The repeating galacturonic acid monomers are connected by a-(1->4) bonds. Below draw 4 repeating monomer units making up a pectin molecule
Using two different methods, determine delta G degree at 25 degrees for the formation of POCl3 from its constituent elements
how many stereoisomers would you expect to be formed?
how will the volume of a gas sample change if its temperature is increased? explain without using the ideal gas law
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