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When 36.6 L ammonia and 39.5 L oxygen gas at STP burn, nitrogen monoxide and water are produced. After the products return to STP, how many grams of nitrogen monoxide are present? ............... g NH3(g) + O2(g) NO(g) + H2O(l) [unbalanced]
solution is needed to just neutralize excess acid after 20 mL of HCl was added to 1. g of the antacid, how many moles of acid can the antacid counteract per gram.
what are the techniques used to isolate pure chemical substances from their natural sources? explain please.
A 363 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 636 mmHg. Calculate the moles of Ar present.
Hardness in groundwater is due to the presence of metal ions, primarily Mg2 and Ca2 . Hardness is generally reported as ppm CaCO3 or mmol/L Ca2 . To measure water hardness
Given that the sample is a mixture of multiple chemicals and you are NOT given a mixture of KNOWN quantities, what experiement(s) should we do to create our own KNOWN data
how many grams of carbon dioxide would be produced if 45 grams of C6H12O6 completely reacted with oxygen?
A student prepared a saturated solution of copper (II) tartrate by cooling it to 10 degrees C. While the solution was still cool, the concentration of copper (II) was determined. How would the value of the solubility product (Ksp) be affected? Exp..
What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.
Remembering Markovnkov's Rule, draw the structure of the carbocation formed during the reaction of 2-methylpropene
As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.96 atm and a temperature of 25.0 C, what is the solubility of \rm N_2 in a diver's blood?
.1500g of an unknown sample was passed through a column of Amberlite-IR-200(+) resin and titrated with .2050M NaOH. If 9.75mL of titrant was required to reach phenolphthlein endpoint,
A sample of nitrogen gas had a volume of 500. mL, a pressure in its closed container of 740.0 torr and a temperature of 25.0°C.
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