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In writing the chemical formula of a compound such as Al2O3, the following statement is a true relationship between the Al and O atoms:
a. Al and O share equal number of electronsb. Al donates 3 electrons and O donates 2 electronsc. Each Al donates 3 electrons and each O accepts 2 electronsd. Al accepts 4 electrons and O accepts 6 electrons
Calculate the molarity of 736 mL of a solution that contains 153 g of sucrose C12H22O11.
Identify what complementary functional group would need to be present in the neuraminidase active site for (a) hydrogen bonding and (b) ioic interactions to oseltamivir to be observed?
How many mL of 0.380 M solution can be prepared by dissolving 4.00g of Ca(OH)2 in water?
a gaseous compound is composed of 85.7% by mass carbon and 14.3% by mass hydrogen. its density is 2.28 g/L at 300 K and 1.00 atm pressure.determine the molecular formula of the compound.
In the titration, 20.46 mL of the sodium hydroxide was used to react with 0.1082 grams of KHP. What is the molarity of the NaOH?
Explain why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane
Suppose that 28 g of gold is initially at 29.0 degrees celsius. What is the final temperature gold upon absorbing 2.25 kJ of heat?
butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO- to be 500 pm.
the concentrations in this system were found to be [N2]=[O2]=0.100 M and [NO]=0.500 M. N2(g)+O2(g)2NO(g) If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is re-established?
How many grams of magnesium chloride must be dissolved in 568 g of water to give a solution that freezes at -2.38°C
When 14C labeled 4-hydroxyproline was administer to rats, the 4-Hydroxyproline in newly synthesized collage was not radiolabeled
Calculate the work done if a gas is compressed from 7.7 L to 1.3 L at constant temperature by a constant pressure of 2.6 atm, and give your answer in units of joules. (1 L · atm = 101.3 J) J In the above example, work is being done by what?
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