Potassium chlorate (KClO3) decomposes to KCl and O2. Determine the mass of O2 obtained from the decomposition of 12 g of KClO3.

Q: Reacting water with magnesium nitride produces ammonia (NH) and magnesium hydroxide. If this process…

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Q: A 7.591-g gaseous mixture contains methane (CH₄) and butane (C₄H₁₀). Complete combustion to form…

A: Step-1CH416g + 2O2 → CO2 + 2H2OC4H1058g + 132 O2 → 4CO2 + 5H2O

Q: The decomposition of KClO3 is commonly used to prepare small amounts of O2 in the laboratory: KClO3…

A: Given  Reaction  KClO3   →  KCl + O2 Mass of KClO3   = 4.50 gram  Mass of O2        =  ?

Q: Elixirs such as Alka-Seltzer use the reaction of sodium bicarbonate with citric acid in aqueous…

A: Mass of NaHCO3 = 9.2×102 mg The balanced chemical equation for the reaction of sodium bicarbonate…

Q: The overall reaction for the production for ammonium nitrate is N2+3H2+2O2->NH4NO3+H2O What mass…

A: 1.00 kg of H2 along with N2 and O2 that produces NH4NO3 and H2O.

Q: In the Solvay process for producing sodium carbonate (Na2CO3), the following reactions occur in…

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Q: What is the mass percentage of O in CO₂? Provide an answer to two decimal places.

A: Molecular weight of C and O are 12.0107 gm/mol and 15.999 gm/mol respectively.  Hence, molecular…

Q: What mass of carbon dioxide can be made by reacting 1.56 grams of sodium bicarbonate with 0.687…

A: In order to calculate the mass of carbon dioxide we have to determine the limiting reagent. By…

Q: Ethanol has a molecular formula C2H5OH. A sample of ethanol has a mass of 2.3 grams. The sample was…

A: Since you have posted question with multiple subparts as per guidelines we can answer three . If you…

Q: A sample of limestone (containing calcium carbonate,CaCO3)weighing 438mg is treated with oxalic acid…

A: Solution- following reaction is given below with problem solution-CaCO3 + H2C2O4 →CaC204 + H2O +…

Q: Ethanol has a molecular formula C2H5 A sample of ethanol has a mass of 2.3 grams. The sample was…

A:

Q: Determine the number of molecules of each product in the following reaction if 5.67 x 10^23…

A: Given -> No. Of molecules of KOH = 5.67 × 10^23 The balanced chemical equation -> H2SO4 + 2KOH…

Q: Phosphorus may be determined analytically by precipitating it as MgNH4PO4 followed by ignition to…

A: Given data: Mass of sample of phosphate rock = 9.346 gms It contains 71.24% of Ca3(PO4)2 So, mass of…

Q: What mass of ammonia can be made from 20.0 g of hydrogen? 3H₂+ N₂ → 2NH₃

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Q: Elemental phosphorus can be prepared from calcium phosphate via the overall reaction2 Ca3(PO4)2 + 6…

A: The reaction considered is,

Q: Disilane (Si2H6) is a gas that reacts with oxygen to give silica (SiO2) and water. Calculate the…

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Q: Using your data, calculate the mass of magnesium metal that you reacted and the  mass of the product…

A: The chemical reaction involved in this process is 2Mg + O2 → 2MgO The mass of magnesium metal…

Q: [References] Hydrogen cyanide, HCN, is prepared from ammonia, air, and natural gas (CH4) by the…

A: Ammonia reacts with oxygen and methane to form hydrogen cyanide and water. The equation for the…

Q: Potassium nitrate was synthesized in an experiment using 10 mL of nitric acid and excess potassium…

A:

Q: An experiment is designed to determine the mass percent of sulfate in an unknown soluble sulfate…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Elemental phosphorus is used in the semiconductor industry. It can be obtained from an ore called…

A: We have to calculate the mass of fluoroapatite needed .

Q: If the decomposition of a sample of KClO3 produces 3.29 g of  O2, what was the mass (g) of the…

A: Write balanced equation

Q: nitrogen gas to produce ammonia. How many kilograms of hydrogen would be required to react…

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Q: For the reaction of sodium sulfide with iron(III) chloride below , you have 319.5 kg of sodium…

A: The number of moles of sodium sulfide and iron (III) chloride is 4094 mol and 3097 mol respectively.…

Q: Write the balanced chemical reaction that occurred, including states such as solid (s) or aqueous…

A: The balanced chemical equation is the process in hich we make the number of atoms in both reactant…

Q: When magnesium hydroxide reacts with nitric acid, it produces magnesium nitrate and water. Mg(OH)2 +…

A: The given balanced equation is :-  Mg(OH)2 + 2HNO3 → Mg(NO3)2 + 2H2O

Q: A hydrate of cerium (III) sulfate, Ce2(SO4)3, contains 20.2% water by mass. Deduce the formula for…

A: Given hydrate of cerium (III) sulfate, Ce2(SO4)3, contains 20.2% water by mass. We have to deduce…

Q: Which of the following is true of the balanced equation of the combustion of methane (CH4) in the…

A: Combustion reaction can be defined as the reaction of substance with excess of oxygen to produce…

Q: [References) Cryolite (NazAIF6) is used in the commercial production of aluminum from ore. Cryolite…

A:

Q: Fill in the blanks to create the balanced chemical equation for the synthesis and formation of…

A: Balanced chemical equation :-  A chemical equation is said to be balanced if number of atoms of…

Q: Ocean water is 3.5 % NaCI by mass. How much NaCl will be obtained from a 266 mL sample of sea water…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: 1.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: 7.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Empirical formulas can be determined from the percent composition of a compound.  In order to…

Q: A pharmacist prepares an antiulcer medicine by mixing 286 g Na2CO3 with water, adding 150 g glycine…

A: Given information, 286 g Na2CO3 with water 150 g glycine (C2H5NO2)

Q: 2.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Empirical formula :- The formula which gives the simplest whole number ratio of atoms of various…

Q: 2. A reaction between 2.1 L of Carbon dioxide and 6.7 g of Caleium hydroxide, produces Calcium…

A: Given data, Volume of CO2 = 2.1L Mass of Ca(OH)2 = 6.7g Mass of CaCO3 = 9.11g

Q: calculate the mass of calcium phosphate (in kilograms)

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: 1) Copper metal can be obtained from copper ore (copper (I) oxide) by heating the ore with charcoal…

A: Solution :    Synthesis or combination reaction :         Synthesis or combination reactions are…

Q: Coal gasification is a process that converts coal into methane gas. If this reaction has a…

A: If the percent yield is 88.5 % 2 C(s) + 2 H2O(l) --> CH4(g) + CO2(g) Mass of Carbon = 1070 g…

Q: 7.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A:

Q: Ethanol has a molecular formula C2H5OH. A sample of ethanol has a mass of 2.3 grams. The sample was…

A: Given: Mass of C2H5OH = 2.3 g. The balanced combustion reaction taking place is given by, =>…

Q: Potassium nitrate was synthesized in an experiment using 10 mL of nitric acid and excess potassium…

A: Complete balanced equation for the given question is as follows: HNO3 + KOH (excess)  → KNO3 + H2O…

Q: Consider the following reaction for the formation of aluminum sulfate. 2AI(OH) 3 + 3H 2 SO 4 → Al 2…

A:

Q: 1000 kg of calcium phosphate is made to react with 10% excess silica, SiO2 and 90% excess carbon to…

A: The law of conservation of mass states that mass in an isolated system is neither created nor…

Q: 8.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given : The compound is made of carbon, hydrogen and oxygen. Mass of compound burned = 8.50 g Mass…

Q: The mineral iron pyrite (FeS2), typically, has a mass percentage of what is known as fool’s gold of…

A: Each FeS2 has 2 S atoms.  Each BaSO4(s) has 1 S atom. Hence each mol FeS2 will give 2 mol BaSO4(s)…

Q: 2H2(g) + O2(g) -> 2H2O(g) Calculate the mass (in grams) of water vapor produced when 56.0 g of pure…

A: 1) From the balanced chemical equation, deduce the molar relation between hydrogen gas and water…

Q: A chemist will use a sample of 30 g of ethanol (CH3CH2OH) in an experiment. In one to two sentences,…

A: Given :-  mass of ethanol = 30 g  carbon      12.01 hydrogen   1.01 oxygen      16.00   To calculate…

Q: 7. Calculate the molar mass of each of the following compounds. a. Fe,O,, iron(III) oxide b. BCl,…

A: Molar mass is the sum of atomic masses of all atoms present in the given Molecule.    Percentage…