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As electrons are added to the s and p sublevels in the same electron shell (level), they are pulled closer to the highly charged nucleus, causing what to happen?
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.
Draw a dilution scheme that would produce countable plates if the original culture has 4,730,000 viable cells/mL.
a 1 kg sample of nitroglyceride c3h5n3o9 explodes and releasesgases with the temperature of 1985 celcius at 1 atm. what
the number of moles in .452 grams of naclo4 the number and type of particle in .452 grams of naclo4 is it possible for
Selenic acid is a strong diprotic acid and dissociates according to the following equations: H2SeO4(aq) H+(aq) + HSeO4-(aq) Ka1 = Large
State the compositions and relative proportions of the two phases present after a solution initially at thjis mole fraction (0.300) is heated to 394.94.
what volume of carbon dioxide measured at stp will beliberated that means given off when 300.08 grams of
Find the pH and volume (mL) of 0.0372 M NaOH needed to reach the equivalence point(s) in titrations of 20.0 mL of 0.0892 M H2SO3 (two equivalence points)
A compound is constituted by mass of 22.6% phosphorus, the rest being chlorine. Given that a volume of 307 mL of the gas has a mass of 1.55 g at 25 °C and 90 kPa, find the molecular formula for this compound
The solubility of O2 (g), in water at 25°C is 3.16 mL/100 g H2O when the gas pressure is maintained at 1 atm. What pressure of O2 (g) would be required to produce a saturated solution containing 10.9 mL/100 g H2O?
the molecular orbital theory provide an explanation for the existence of the covalent molecule Na2 in the gaseous state. How would you predict Na2 by the Lewis theory?
How would you prepare 500.0 mL of a 0.750 M solution using Sulfuric acide from 18.0 M concentrated liquid. B) Sodium carbonate powder
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