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Explain what is the molecular weight of an ideal gas if 0.480g of the gas occupies 590mL at 365torr and 45 degrees C?
solid calcium carbonate caco3 is able to remove sulphur dioxide from waste gases by the reactioncaco3 so2 other
understanding the definitions and terminologies associated with environmental toxicology is very important to a public
how much energy in calories must be added to raise the temperature of 25.0g of ethanol c2h5oh from -10.0 c to the
If an inflated balloon is placed in the freezer as the temperature of the gas of the balloon decrease the speed of the particles will do what
A 2.0L closed flask contains 0.50 g N2 gas at a temperature of 25°C. Calculate the pressure in atm inside the flask.
the ejected electrons have the speed v=1.06x10^6 m/s. What will be the speed of the electrons ejected from the same metal by a light of wavelength 180nm?
silver nitrate reacts with ferric chloride to give silver chloride a ferric nitrate. in a particular expriment it was
List the penicillins that are classified as extended spectrum and relate their structure to their activity as well as their acid and ß-lactamase stability and potential side effects.
Calculate the expected change in temperature for 1.7 g of NH4NO3 dissolved in 50.0 mL of H2O. Assume that the calorimeter absorbs no heat.
Write the balanced equation for reaction between iron (II) and permanganate ion.Equation must balance as to show both mass and charge.
A sugar-water mixture contains 45.8 g of sugar and 108.5 g of water. What is the percent by mass of sugar and the percent by mass of water in the solution?
What observed rotation is expected when a 1.10 M solution of (R)-2-butanol is mixed with an equal volume of a 0.550 M solution of racemic 2-butanol,
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