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Diagonal relationship and anomalous behaviour of the each element of the periodic table
Write a hybridization and bonding scheme for each molecule. Sketch the molecule, include overlapping of orbitals, and label all bonds. a) CCL4 b)NH3 c)OF2 d)CO2
Calculate the mass of sugar (C12H22O11) that must be dissolved in 700 g of water to prepare 20% sugar solution
Erythrocytes phosphorylate glucose to glucose 6-phosphate with the help of the enzyme hexokinase instead of glucokinase. Hexokinase has a Km = 0.04 mM.
Your friend repeats the above experiment and observes growth of all 4 organisms on both plates. Provide an explanation for her results.
At a given temperature,0.0500 mol NO, 0.200 mol Cl2, and 0.550 mol CINO were placed into a 1.00 L container. The equilibrium below was established and 0.250 mol of CINO is present. Determine the equilibruim constant (Kc).
Presume that you need to prepare 4-methyl-2-pentyne also discover that the only alkynes on hand are acetylene and propyne. You as well have available methyl iodide, isopropyl bromide, and 1, 1-dichloro-3-methylbutane. Sketch an efficient synthesis..
Which of the following species will always be a spectator ion in a precipitation reaction. Cl-, NO3-, Br-, NH4+, S2-, SO42-, K+ Is it K+ and NH4+, because they alkali metals and the ammonium ion are soluble in water
How much PV work is done (in kilojoules) and what is the value of deltaE (in kilojoules) for the reaction of 6.50g of acetylene at atmospheric pressure if the volume change is -2.80 L?
Calculate the minimum concentration of Cr3+ that must be added to 0.095 M NaF in order to initiate a precipitate of chromium (III) fluoride ( for CrF3, Ksp = 6.6 X 10^-11)
A 6.26 g sample of a solid containing Ni is dissolved in 20.0mL water. A 5.00mL aliquot of this solution is diluted to 100.0mL as well as analyzed in the lab. The solution was determined to contain 5.16ppm Ni.
A certain metal oxide has the formula MO where M denotes the metal. A 36.46g sample of the compound is strongly heated in an atmosphere of hydrogen to remove oxygen as water molecules.
Vinegar has a density of 1.0056 g/cm3 . What is the mass of three liters of Vinegar? Please explain.
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