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Sodium Carbonate (NaCO3) is available in very pure form and can be used to standardize acid solutions. What is the molarity of the HCl solution if 25.3 mL of the solution is required to react with 0.256 g of Na2Co3
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure. ClO4 -
A patient is given 0.055mg of technetium -99m, a radioactive isotope with a half-life of about 6.0 hours.
Calculate the amount of water (in liters) that a camel can produce from 1.0 kg of fat. Assume for simplicity that the fat consists entirely of tripalmitoylglycerol. please show work how you arrive with the answer.
The vapor pressure of liquid chloroform, CHCl3, is 400.0 torr at 24.1°C and 100.0 torr at -6.3°C. What is Hvap of chloroform?
a 12.09-g sample of solid sodium bicarbonate completely decomposes into solid sodium hydroxide and carbon dioxide gas when heated.
25.0 mL of 1.50M LiOH are neutralized by 15.0mL of nitric acid. what is the molarity of HNO3?
what is the pH of laundry water in your washing machine that contains 0.5 mg/L of bleach (hypochlorous acid, HOCl).
Draw all the possible Newman projections of bromoethane. The rotational energy barrier about the C-C bond is 3.7kcal/mole. What is the energy cost of eclipsing a C-H and C-Br bond
The dipole moment (u) of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1% Estimate the bond length of the HBr bond in picometers.
calculate the standard Molar Enthalpy Change for the reaction in the reaction endothermic or exothermic
If the solubility of nitrogen is blood is 1.90 cc per 1.00 atmosphere, what is the solubility of nitrogen is a scuba diver's blood at a depth
Describe how a phospholipid differs from other fatty acids. How does this difference allow the formation of a bilayer in an aqueous medium
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