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For the reaction 2 NH3 + CH3OH → products What mass of NH3 is needed to react with 21 grams of CH3OH?
Draw the structure (on a scratch sheet of paper) for the molecule that fits the following description and then name it according to IUPAC formalism:
the heat capacity of iron is 0.449 jgmiddotk. a blacksmith is hammering a 261 g horseshoe that has been heated to 1200
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C.
The Managing Director of a well-known company on Wall Street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently. One day she decides to go to her primary healthcare provider for a routine checkup
Explain how spectroscopy could be used by astronomers to assess the habitability of exoplanets and how it might be used to decide whether or not they could have an active biosphere.
what is the final temprature of 0.1222 mol of a perfect monatomic gas that preform 75 j of work adiabatically if the
To determine the enthalpy change for this reaction, 0.158 g of Mg metal is combined with enough HCl to make 100.0 mL of solution in a coffee-cup calorimeter of negligible heat capacity.
Sodium borohydride reacts very slowly with ethanol to evolve a gas. Write a balanced equation for this reaction.
Calculate the entropy change when argon at 25 °C and 1.00 bar in a container of volume 0.500 dm3 is allowed to expand to 1.000 dm3 and is simultaneously heated to 100 °C.
What mass of carbon dioxide is produced from the complete combustion of 6.20×10?3 of methane: CH4+ 202 Yields CO2+ 2H2O
Define how this mechanism leads to racemisation. Propose a name for the mechanism that is operating here as well as explain the meaning of the term racemic
How many grams of Na2CO3 are present in 29.7 mL of a 31.0% Na2CO3 solution. The density of the solution is 1.09 g/mL.
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