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What is the definition of a vinyl when talking in aspects of organic chemistry?
a 5.0g sample of a hydrate of CaCl2 was heated, and only 4.3 g of the anhydrous salt remained. what is the percentage of the water was in the hydrate?
a solution is prepared by adding 30.00 g of lactose milk sugar to 110.0 g of water at 55 degc. the partial pressure of
Add charges, single electron dots, and/or pairs of dots as appropriate to show the Lewis symbols for the most stable ion of each element.
Calculate the mass of the precipitate formed when 2.27 L of 0.0820 M Ba(OH)2 is mixed with 3.06 L of 0.0664 M Na2SO4.
O2(g) + 4 HCl(g) → 2 H2O(l) + 2 Cl2(g) When 64.5 g of HCl are allowed to react with 17.6 g of O2, what is the theoretical yield of Cl2(g) in this reaction.
Explain a rigid 8.20 L flask contains a mixture of 2.50 moles of H2, 0.500moles of O2 and sufficient Ar thus that the partial mixture of Ar in the flask is 2.00 atm. The temperature is 127 degrees Celcius.
List 2 major factors that will affect the accuracy of your data and how you can improve the experiment
Hydrogen bonding between polyamide chains plays an important role in determining the properties of a nylon such as nylon 6,6 (Table 12.2) Draw the structural formulas for two adjacent chains of nylon 6,6 and show where hydrogen-bonding interaction..
A diatomic gas X2 reacts with another diatomic gas Y2 to form gaseous XY3. 5,00 g of X2 contains 1,07 x 1023 molecules of X2. The compound XY3 contains 82,25% X by mass. Identify element X and Y
Calculate the potential of a platinum electrode immersed in a solution that is prepared by mixing 25.00 mL of .0832M V\(V_{2}(SO_{4})_{3}\)
Problem- Mass spectral analysis of 3, 3-dimethyl-2-butanone results in several fragmentation pathways. Complete the mechanism below and draw the products for the fragmentation pathway that produces a mass spectrum peak at m/z 43
Draw an electrolytic cell in which Mn2+ is reduced to Mn and Sn is oxidized to Sn2+
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