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a sample of oxygen gas has a volume of 2.73 dm3 at 21.0 c . at what temperature would the gas have a volume of 4.00 dm3?a sample of oxygen gas has a volume of 2.73 dm3 at 21.0 c . at what temperature would the gas have a volume of 4.00 dm3?
How many grams of NaNO2 form when 429 g NaNO3 react? The yield is 90.%.
A chemist isolates a colorless liquid with the properties of cyclohexane (M= 84.2 g/mol) from a petroleum sample.
a student carried out the experiment but did not follow the directions exacly as written. What effect would the following actions have on the experiment ?
Indicicate the coordinaiton number of the metal and oxidation number of the metal as well as the number and type of each donor atom of the ligands for the folloing complexes:
The gas with an initial volume of 24.0 L at a pressure of 565 mmHg is compressed until the volume is 16.0 L. What is the final pressure of the gas, assuming the temperature does not change?
What mass of glucose can be produced from a photosynthesis reaction 6CO2(g) + 6H2O-> C6H12O6(aq) + 6O2(g) that occurs using 18.4 mol CO2? Answer in units of g.
What is the molarity of a solution prepared by adding 29.3 g of HNO3 to enough water to make 2 L of solution
estimate the enthalpy change for the combustion of hydrogen gas in the presence of oxygen gas.
How many moles of oxygen atoms are combined with 4.20 moles of chlorine atoms in Cl2O7?
Calcuate the molalities of MgSO4, Mg2+, and SO4 in a 0.05000m solution of MgSO4 at 25 degree and at 250 degree. Find the appropriate log K's in Soltherm
evaporated the water from NaOH extracts prior to adding acid?
The following compounds, listed with their boiling points, are liquid at -10 degrees celsius: butane, -0.5 degrees celsius: ethanol, 78.3 degrees celsius: toluene, 110.6 degrees celsius.
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