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A sample of gas occupies 1.40*10^3 ml at 25 degrees C and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg?
Which of the following elements would you expect to gain electrons in chemical changes
Oxygen coming off the 2nd carbon and the 2nd carbon is also attached to the N. Two Carbons are attached to the Nitrogen). Account for the fact 2 equivalents of amine must be used.
what must be the pH of a buffered solution saturated with H2S ([H2S]=0.10M) be in order to precipitate PbS leaving [Pb2+]=1*10^-6M without precipitating any MnS
How many mL of a 22.5% (v/v) ethanol solution would you need to measure out in order to have 12.5 mL of ethanol? The Molar Mass of ethanol is 46.07g/mol.
What temperature would be observed during the entire distillation. B) If a thermometer were immersed below the surface of the liquid of the boiling flask, what temperature would be observed. C) What would be the composition of the distillation.
2.9 mol Fe(OH)3 and 7.7 mol H2SO4 react according to the equation 2 Fe(OH)3 + 3H2SO4 ->Fe2(SO4)3 + 6H2O. If the limiting reactant is Fe(OH)3, calculate the amount of Fe2(SO4)3 formed.
Can someone please provide me with the elementary steps (reaction mechanism with the curved arrows) to the oxidation of ethanol to ethanal
If 141 mL of wet H2 is collected over water at 24°C and a ba?rometric pressure of 738 torr, how many grams of Zn have been consumed.
Why might your sample not have the same melting range as either of the known compounds, given that it must be one of them?
The solubility of lead (II) sulfate is 4.0x10^-2 g/L. What is the solubility product constant for lead (II) sulfate?
40.0L of H2 at 850mmHg and 75.5 degrees celsius is reacted with an excess of I2. What mass of HI is formed? H2(g) + I2(g)--> 2HI(g)
The dimensions of aluminum foil in a box for sale in supermarks are 66 2/3 tards by 12 inches. the mass of the foil is 0.83kg. If its density is 2.70g/cm^3
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