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An element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 3.06 , and the density of the crystal is 7.01 .
Calculate the molar mass (in g/mol) of the element.
What volume (mL) of 0.663M potassium hydroxide aqueous solution is needed to neutralize [?this means to completely react with] 842 mL of 0.554M nitric acid?
Discuss solutions, solvents and solutes in relationship to water. One our last topic, discuss hypotonic and hypertonic fluids and why these impact cells.
Some plants require acidic soils for healthy growth. Which would be more productive to add to the soil in order to make it more acidic, Fe2(SO4)3 or Na2SO4, and why
Which of the following can be the product of a neutralization reaction?
3-ethyl-5,5,6,6-tetramethylhexane. Draw the molecule that fits this description and then name it correctly
Calculate the number of grams of alcohol present in 1.00 L of 60. proof gin. The density of ethanol is 0.798 g/mL.
Suggest simple laboratory tests you could use to distinguish acetone, carbon tetrachloride, cyclohexane, ethyl ether and ethanol.
If an insufficient amount of liquid unknown had been used, how would this have affected the value of the experimental molar mass?
the average adult has about 16 g of sodium ions in her blood. assuminga total blood volume of 5.0 L, what is the molarity of Na+ ions in blood?
When adding the solution of HNO3 from the buret in Step 14 to beaker 4, you know that you added 2.5 mL instead of 1.5 mL for a total volume of 11.0 mL. How would the calculated value of the equilibrium constant be affected for this sample?
How many Valence electrons does a balanced atom of Sodium have? What is the net charge on each ion?
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
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