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Discuss how are elements, compounds, neutrons, protons, atomic number, mass number and isotopes are related under structure and bonding (Information should include the interrelationship between the structure and bonding in elements all in detail)
The density of copper is 8.94 g/cm3. Explain what is the mass in mg of cube of copper that measures 2.31 mm on each side
We know that 100 cm3 of the mixture measured at 25C as well as 750 mm yields 84.5 cm3 of dry oxygen measured at 25C and 750mm after passage over CuO as well as the drying agent. Explain what is the original composition of the mixture. State balanc..
Problem- In a fictitious lab experiment a class studied two acid base reactions and recorded the temperature change. class averages were reported
Aluminum reacts with oxygen to yield aluminum oxide. If 5.0 g of Al reacts with 4.45 g of O2, what is the empirical formula of aluminum oxide
How much energy (in kilojoules) is required to convert 285 ml of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 ?
How much water must be added to 534. mL of 0.180 M HCl to produce a 0.135 M solution? (Assume that the volumes are additive.)
Write about the polymerase chain reaction, indicating the basis for the amplification of DNA by the technique.
A beaker of nitric acid is neutralized with calcium hydroxide. Write a balanced molecular equation and a net ionic equation for this reaction.
Assuming the vinegar solution has a density of 1.01 g/ml calculate the percent by weight of acetic acid in your sample of vinegar. How does that value compare with 5 percent the value for the percent acetic acid in normal vinegar? I had 10.0ml of ..
Calculate the volume of CO2 produced at 37 degrees celsius and a 1.00 bar when 1.00 gram of glucose is metabolized.
How much of an epoxy that has a "weight per epoxy" of 435 in 80% solid solution is needed for the same reaction?
If 300kJ of heat are exchanged between the system at -5degrees C and its surroundings at 30degrees C, the entropy of the systems plus
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