One of the challenges astronauts face is in space travel is the build-up of carbon dioxide in their spacecraft. The average human exhales about 42.0 g of carbon dioxide per hour. One method to remove the excess carbon dioxide from the air is using solid lithium hydroxide: CO2(g) + 2 LiOH(s) → Li2CO3(2) + H2O(l) If a typical cannister of LiOH contains 750.0 g, how many hours will it last for one person before it has to be replaced?

Q: n the laboratory you are given the task of separating Ba²+ and Ag+ ions in aqueous solution. For…

A: The ions to be separated are  Ba2+  & Ag+ If both the ions are soluble in the given reagent they…

Q: 0.7532 g of copper turnings (molar mass: 63.546 g∙mol–1) are reacted with excess nitric acid.…

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A:

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A:

Q: Barium (Ba) can be analyzed in solutions by forming BaSO4 (s) precipitate. Ba (2+) + SO4(2-) -->…

A: The amount of Ba2+ ions in the sample of barium compound is unknown and is to be calculated to…

Q: Lemons contain citric acid (C6H8O7). A lemon juice solution known to contain 1.6 g of citric acid…

A: The molecular formula of citric acid is C6H8O7.

Q: Consider a slightly soluble salt with a general form of MX(s) --> M*(aq) + X (aq). If its molar mass…

A: Given: Ksp of salt = 5.4 X 10-5  Molar mass of salt = 241 g/mol. And the solubility reaction is,…

Q: Many Metal ions are precipitated from sulfides. As an example, consider treating a solution of…

A: A titration is a technique that uses a known concentration of a solution to determine the…

Q: What is the mass in grams of aluminum metal (26.98 g/mol) that reacts to form 2.80 g of iron (55.85…

A: Given, 3 FeO (l) + 2 AI (l) ---> 3 Fe (l) + 1 Al2O3 (s) mass of Iron (Fe) formed = 2.80 g mass of…

Q: Write the balanced neutralization reaction that occurs between H₂SO4 and KOH in aqueous solution.…

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Q: e "No" Y or N Reagent Formula of Precipitate if YI 1. K2CO3 2. Nal 3. NazSO4

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Q: A solution is made by dissolving 3.21 g of Cu(NO3)3 in 250.0 mL of water. Then, to make a more…

A: Molarity :   Molarity is one of the unit of concentration. It is defined as the number of moles of…

Q: Which of the following is NOT soluble in water? O acetic acid, the active ingredient in vinegar,…

A: We have to predict the substance insoluble in water.

Q: Sodium hydrogen carbonate (NaHCO,), also known as sodium bicarbonate or "baking soda", can be used…

A:

Q: In the laboratory you are given the task of separating Ca²+ and Zn²+ ions in aqueous solution. For…

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Q: For the equation below, if you started with 340 g of FeBr2 and 1.5 X 1024 molecules of HCI, what…

A: Limiting reactant :- A reactant which is present in lesser number of moles than required as per…

Q: You have an aqueous solution containing one or more of the following anions CO32-, Cl-, I- and…

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Q: Consider three hypothetical solids:AX,AX2 and AX3 (each X forms X). Each of these solids has the…

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Q: Carbon monoxide gas is oxidized with oxygen gas to form carbon dioxide gas. Choose the correct…

A: Let the reaction is  x CO (g) +  y O2 (g) → z CO2(g) Let, x=2 Number of carbon atom on left-hand…

Q: Sodium hydrogen carbonate (NaHCO3), also known as sodium bicarbonate or "baking soda", can be used…

A: Reaction occurHCl(aq)  +  NaHCO3(aq) → NaCl(aq)  +  CO2(g)  + H2O(l)Molarity of HCl = 0.078 MVolume…

Q: Sodium hydrogen carbonate (NaHCO,), also known as sodium bicarbonate or "baking soda", can be used…

A: Given the volume of 0.036 M HCl solution inside stomach = 50. mL  First we have to calculate moles…

Q: For the equation below, if you started with 340 g of FeBr2 and 1.5 X 1024 molecules of HCI, what…

A:

Q: Which of the following lead (II) compounds would yield the smallest number of lead (II) ions when…

A: Ksp for PbS 3.2 x 10-28 Ksp for PbSO4 = 1.8 * 10-8 Ksp for PbCrO4 = 1 * 10-16

Q: If 30.4 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

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Q: Consider the reaction, N204(g)=2 NO2(g) where the value for Ke is 1.6 x 10-6. The initial…

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Q: In the laboratory you are given the task of separating Ca²+ and Zn²+ ions in aqueous solution. For…

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Q: A) A student completely dissolves 5.16 mol of Ca(OH)2 in water. i) Which equation is the…

A: Dissiciation equation for CaOH2 : CaOH2s →Ca+2aq + 2 OH-aq 5.16 moles       5.16 moles of…

Q: Kp is related to Kc by the equation K, = Kc (RT)An, What is the value of An for the reaction below?…

A: given data  Kp = Kc (RT)∆n N2 (g) + 3H2 (g) →← 2NH3 (g) ∆n = ?

Q: In the laboratory you are given the task of separating Ca²+ and Cu²+ ions in aqueous solution. For…

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Q: the number of moles of Aluminum in 1.3741 g was calculated to be 0.051 moles and that the chemistry…

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Q: Calculate the mass of solid KCl that must be added to 1.87 L of a 0.221 M Pb(NO3)2 solution to…

A:

Q: In the laboratory you are given the task of separating Ca2+ and Zn2+ ions in aqueous solution. For…

A:

Q: A solution of 655 mL of 0.852 M CO(NH2)2 is mixed with a solution of 432 mL of 0.487 M CO(NH2)2. It…

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Q: Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical…

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Q: the laboratory you are given the task of separating Ca2+ and Ag+ ions in aqueous solution. For each…

A: Ca2+ (aq) + SO42- (aq) => CaSO4 (s) (precipitate is formed) 2 Ag+ (aq) + SO42- (aq) => Ag2SO4…

Q: ) A 1.20 gram sample of ammonium phosphate is dissolved in 100. mL of water. The solution is poured…

A: The balanced equation is 2(NH4)3PO4 (aq) + 3 Mg(NO3)₂(aq) --> Mg3(PO4)₂ (s) + 6NH4NO3(aq) Net…

Q: What mass in grams of precipitate theoretically forms when 0.500L of 0.100M calcium hydroxide is…

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Q: C(s)   +   CO2 (g) ⟶   2 CO(g)         Kc = 0.133 Carbon dioxide and excess graphite are added to a…

A: C(s)   +   CO2 (g) ⇋   2 CO(g)          Kc=0.133Initial conc.…

Q: Consider

A: We will calculate mass percent of acetic acid

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".