For this equation, (NH4), Cr2 O7(s) Cr2O3 (s) + N2 (g) + 4H2O(g) an engineer has to calculate the volume of gases that are produced under standard temperature and pressure conditions, given that 5,882 g of ammonium dichromate will decompose. Select the three values that they need to solve this problem.

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A 5.80-g sample of lead nitrate, Pb(NO3)2, molar mass = 331 g/mol, is heated in an evacuated cylinder with volume of 3.25 L. The salt decomposes when heated,  according to the equation:  2Pb(NO3)2(s) => 2PbO(s) + 4NO2 (g) + O2 (g) Assuming complete decomposition, what is the cylinder after decomposition and cooling to a temperature of 250 K? Assume PbO(s) takes a negligible volume.  Enter answer without a unit.

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When exposed to air, aluminum metal, AlAl, reacts with oxygen, O2O2, to produce a protective coating of aluminum oxide, Al2O3Al2O3, which prevents the aluminum from rusting underneath. The balanced reaction is shown here: 4Al+3O2→2Al2O3 a) What is the theoretical yield of aluminum oxide if 3.00 molmol of aluminum metal is exposed to 2.55 molmol of oxygen? Express your answer with the appropriate units.

Answer the following questions using the stoichiometric calculation in chemistry.

Suppose the following chemical reaction can take place in this mixture

The human body burns glucose (C6H₁2O6) for energy according to this chemical reaction: C6H12O6 +60₂-6CO₂ + 6H₂O The products of the reaction are carbon dioxide (CO₂) and water (H₂O). Interestingly, all of the carbon dioxide and much of the water exits the body through the lungs: on every breath, the average person exhales 500. mL of air, which is typically enriched to 4% CO₂ and 5% water vapor by volume. In short, when a person loses weight by dieting, the weight that is lost actually departs his body as a gas, every time he exhales. Each kilogram of body fat lost requires exhaling about 2.9 kg of carbon dioxide. Calculate how many breaths it takes an average person to "exhale" 1.00 kg of fat. Round your answer to the nearest thousand. You'll need to know that the density of CO₂ is 2.0 kg/m³. 0 ☐ ☐x10 X

5) Determine the number of molecules of oxygen produced in the following reaction if 8.56 x 1023 molecules of potassium chlorate (KCIO,) decompose to oxygen (O2) and potassium chloride (KCI) 2KCIO, > 302 + 2KCI

An explosive reaction between butane and oxygen occurs as follows. 2 C4H10 (g) + 13 O2 (g) -->  8 CO2 (g) + 10 H2O (g) If 0.625 moles of butane and 3.5 moles of oxygen gas react predict the theoretical yield (in moles) of water vapor that would be produced.