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What is the molar mass of Butane (C4H10)?
What is the ideal gas constant (R) in terms of (mmHg × L)/(K × mole)?
What is the composition of the gas captured in the inverted cylinder and why?
What is a likely source of experimental error in this experiment?
At what point will the standard solution begin to deteriote after all the chemicals have been mixed? the answer should be in minutes
Explain why is the lattice energy of potassium bromide more exothermic than the lattice energy of rubidium iodide
a mass of mercury occupies .750l. what volume would an equal mass of ethanol occupy if mercurys density is 13.546 gml
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency \rm 1.5\times 10^{15}~Hz
What is the effect on the calculated concentration of the standard solution if the trials of the pure KHP samples are consistently over-titrated to a deeper magenta color?
A certain antacid contains only Al(OH)3 (FW=78.00) and Mg(OH)2 (FW=58.33). If a 0.2678 g sample of the antacid requires 10.25 mL of 0.9815 M HNO3 for neutralization, what is the % by mass of Al(OH)3 in the mixture
Example: Recovery of the reduced solution yielded a sorbitol syrup with a pyridine number of 83. Please help thank you.
which of these has the highest vapor pressure in a sealed container at a temperature cool enough to produce a liquid? a). CH2CH2OH b). NCl3 c). H2 D). N2 e). CH2OH
What is the relative concentration of propanoate (Ka=1.34E-5) at pH=5.000?
To heat 236mL of water from 25 degrees celcius to 78 degrees celcius in 2.00 minutes what must be the heat rating of the heater, in kJ/min
The boiling point of pure CS2 is 46.30 oC, and its boiling point elevation constant Kb is 2.34 oC/m. A solution of sulfur in liquid CS2, which was prepared by dissolving 2.26 g S in 50.0 g CS2, boils at 46.71oC. What is the molecular formula of th..
heated in a stream of hydrogen until it was completely converted to the metal, If the metal weighed 1.68g, what is the formula of the iron oxide? (fe =56, O = 16)
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