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If the molecular mass of a carbon atom is 12, the mass of ahydrogen atom is 1, and the mass of an oxygen atom is 16 daltons,how many molecules does one mole of sugar(C12H22O11) contain?
Identifying dipolar ions, There is a question in my textbook that reads P-amino acid is not a dipolar ion, whereas glycine (aminoacetic acid) is not a dipolar ion- how do you account for this?
Which of the seven Anions will be the hardest to detect (same anions as above), Why do you think this? If two or more are possible explain why.
A molecule of chlorine dioxide (ClO2) at 25oC has a velocity of 306 m/s. What is the kinetic energy in joules of the molecule at this temperature?
Which one of the following compounds will be most soluble in water?
An enclosure of volume 0.398 L has a partial pressure of O2 of 3.50 10-6 torr at 30.°C. What mass of magnesium will react according to the following equation. 2 Mg(s) + O2(g) → 2 MgO(s)
Diffussion controlled electrolysis proceeds on (a) planar and (b) spherical electrode under the conditions: n = 1, C = 1 mM, A= 0.04 cm^2, D = 1.5x10^-5 cm^2/s.
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
58.0 mL of a 1.30 M solution is diluted to a volume of 228 mL. A 114-mL portion of that solution is diluted using 141 mL of water.
Describe the molecule xenon trioxide, XeO3, using four possible Lewis structures, one each with zero, one, two, or three Xe-O double bonds.
when 50 mL of water containing .5 mol HCL at 22.5 degrees C is mixed with 50.0 mL of water at 25 degrees C in a calorimiter, the temperature of the solution increases to 26 degrees C. How much heat was released by this reaction?
Initially A sample of a substance of 23.43 g weight has temperature 24.2 °C then it absorbs heat and reached to temperature 122.0 degree Celsius; calculate the specific heat of this substance if it absorbs 2167 joule heat
at constant pressure the temperature of a 8.00 liter sample of gas is decreased from 456 K to 365 K. What is the new volume of the gas sample?
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