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Nitrogen gas reacts with hydrogen gas to produce ammonia by the following equation, N2(g)+3H2(g)-->2NH3(g). a) If you have 1.80 mol of H2, how many grams of NH3 can be produced? b) How many grams of H2 are needed to react with 2.80g of N2? c) How many grams of NH3 can be produced from 12.0 g of H2
Assuming a linear response between current and concentration, calculate the concentration of Pb(II) in the sample by (a) neglecting the information provided by the internal standard
In the following procedure, we are performing an extraction with ethyl acetate. What compounds are we separating from our product? Procedure
From the same container under the same conditions--same temperature and initial pressure, it takes 385 s for 7.00 L of O2 gas to effuse. Calculate the molar mass (in grams/mol) of the unknown gas.
The molecules CO2 and SCL2 are both of the general molecular type AB2, but one is polar and one is not. Which molecule is polar?
consider the reaction in which 410g of Ca(NO3)2 react with just the right amount of magnesium metal in a single replacement reaction. how many grams of lithium are required?
A compound of bromine and fluorine is used to make UF6, which is an important chemical in processing and reprocessing of nuclear fuel. The compound contains 58.37% by mass of bromine. Determine its empirical formula.
95.0mL of rm H_2O is initially at room temperature (22.0rm{} ^{circ}C). A chilled steel rod at 2.0rm ^{circ}C is placed in the water. If the final temperature of the system is 21.4^{circ}C.
Calculate the concentrations of ALL species in a 0.740 M Na2SO3 solution. The ionization constants for sulfurous acid are Ka1
how do you calculate the number of equivalents of NaOH required to reach the equivalence point?
What is the heat change of H 2 O If the final temperature of the mixture = 25 degree celsius?
During a photochemical smog episode in a coastal city, the steady-state concentration of oxygen radicals at ground level was measured to be 0.09 ppmv at 25 degrees celsius.
Calculate delta S at the indicated temperature for a reaction having each of the following changes in enthalpy.
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