For the reaction C + 2H2 → CH4, how many moles of hydrogen are needed to make 197 grams of methane, CH4 ? Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0

Q: 1. A labelled flowchart of a continuous steady-state two-unit process is shown below. Each stream co...

A: A labelled flowchart of the steady state process is given. The mass flow rate of inlet stream is 100...

Q: 1. Name the following compounds NO2 ŞH SH OH -%24

A: We have find out the nomenclature 

Q: Na,CO3(aq) + CaCl2(aq) → 2 NaCI(aq) + CaCO3(s)

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Q: What mass of Ba(IO3)2 (487 g/mol) can be dissolved in 1 L of water at 25°C?            Ba(IO3)2 ⇌ B...

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Q: One of the crystalline forms of zinc oxide is a structure where the oxygen atoms are at the lattice ...

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Q: A balance would always read 0.6 grams when nothing is on it and has a resolution of 0.05 grams. if ...

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Q: 0.2 0.5×10-4 1x10-4 1.5x10-4 2x10-4 [Fe(SCN2+)]equ, (M) y = 4.26442 × 103 x + 0.0202852 R2 = 0.99990...

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Q: The following information is given for antimony at 1 atm:  Tb= 1440.00°C   Hvsp=(1440.00°C) = 1.605...

A: Answer: As, melting point of Antimony is 631°C, that's why total heat absorbed by antimony to raise ...

Q: 2. An experiment was carried out to determine the enthalpy change of combustion of propan-1-ol. The ...

A: We have been given to perform the combustion reaction of propan-1-ol and to study the enthalpy chang...

Q: 3. What is the clinical significance of the sodium nitroprusside test? 4. What is the basis of the M...

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Q: Assume that a solute has a D* of 2.03 x 10-9 m2 / Sec and that w is equal to 0.5. If landfill leacha...

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Q: To manufacture a vehicle, four tires and one steering wheel are required. How many cars can be manuf...

A: To Solve this problem we will use the given data .

Q: Black smokers are found in the depths of the oceans. Thinking that the conditions in these smokers m...

A: Given: The mass of CH3SH (methanethiol) is 14.0 g The mass or actual yield of CH3COSCH3 (propanethia...

Q: Palladium crystallizes in a face-centered cubic unit cell. Its density is 12.0 g/cm3 at 27°C. What i...

A: First calculate edge length and then radius of palladium.

Q: (a): [H3O+] = 1.0 x 10-5 M at 25°C: what is the OH−concentration?  Is the solution acidic, basic, o...

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

Q: 69. Carbon reacts with water vapor at elevated temperatures. C(s) + H2O(g) = CO(g)+H2(g) Ke = 0.2 at...

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Q: Arrange the following set of atoms in order of increasing size. 1. Ba, Na, Ca 2. Al, Tl, Si 3. Ga, B...

A: We have been asked to arrange the given element according to size.

Q: Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D b...

A: A Bronsted Lowry acid and base pair is that in which   Bronsted acid  it is able to donate it's H+  ...

Q: * Write out all the steps in the mechanism of this electrophilic aromatic substitution reaction. Inc...

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Q: What is the pH of a solution that is 0.400 M in formic acid and 1.00 M in sodium formate? Ka = 1.8 x...

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Q: 1. The carbon from the heartwood of a giant sequoia tree gives 11 counts per minute per gram carbon ...

A: The Initially or fresh is 15counts per min per g and at time t , it's 11counts per min per . With t...

Q: Calculate the pH at 25 °C of a 0.41M solution of pyridinium chloride (C;H;NHC1). Note that pyridine ...

A: From Ostwald's dilution law  pOH = (1/2) (pKb - LogC)  pOH = power of hydroxyl ions  pKb = - log Kb ...

Q: attempted naming these compounds just need to see if I'm correct

A: To write the IUPAC Name for the given Compound. 

Q: What is the pH of a 0.00050M Ca(OH), solution? 3.00 3.30 9.50 10.70 11.00

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Q: The following will exhibit ionization isomerism, EXCEPT: A. Pt(NH3)2CI2 B. Pt(NH3),CI,Br2 C. Pt(en)>...

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Q: :äi: :ä: - :CI-AI :CI-Al-CI: :5: What species is acting as a Lewis base in the reaction above? O AIC...

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Q: If 0.120 g C3H6 and 0.10 g NO are allowed to mix according to the following reaction, how many grams...

A: Mass of C3H6 = 0. 120 Mass of NO = 0.10

Q: CH3 d Assign R or S configuration to each chiral center indicated via a (*). a Hc (-)-Carvone List t...

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Q: Can you determine the molecular formula for a compound from its percent composition? Explain in simp...

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Q: How much energy is required to raise the temperature of 12.9 grams of solid chromium from 20.2 °C to...

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Q: Draw the most stable conformations of the following: HO Br Cy Br

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Q: PART 2. DETERMINATION OF THE CONCENTRATION OF A STRONG ACID SOLUTION EXPERIMENTAL DATA The total vol...

A: Given:

Q: Use the following thermochemical equations as needed to find the heat of formation of diamond: C(dia...

A: Given equations are : 1). C (diamond) +  O2 (g)  --------> CO2 (g) , ΔH1 = -395.4 KJ  2). 2CO2 (g...

Q: "In our bodies, sugar is broken down with oxygen to produce water and carbon dioxide." What volume o...

A: To Solve this problem we will use the given balanced chemical equation and ideal gas equation to cal...

Q: A lawn fertilizer is rated as 4.57% nitrogen, meaning 4.57 g of N in 100 g of fertilizer. The nitrog...

A: We can solve the problem as below : 1 mole of Urea, (NH 2) 2 CO has = 2 moles of nitrogen. So, we ca...

Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic i...

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Q: Concentration units

A: Please find your solution below : Concentration of a solution is defined as the amount of solute dis...

Q: Use the following thermochemical equations as needed to find the heat of formation of diamond: C(dia...

A: Given equations are : 1). C (diamond) +  O2 (g)  --------> CO2 (g) , ΔH1 = -395.4 KJ  2). 2CO2 (g...

Q: Which species is the conjugate base in the following reaction? CH3COOH(aq) → H+(aq) + CH3COO−(aq) ...

A: conjugate base means when acid loss its hydrogen and formed the corresponding ion.  here CH3COO- (aq...

Q: At a particular temperature, 9.0 moles of NO2 is placed into a 1.0-L container and the NO2 dissociat...

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Q: How many atoms are in 45.6 grams of Li, 0.230 grams of Ti and 11.5 grams of Au?

A: Given :-  Mass of Li = 45.6 g  Mass of Ti = 0.230 g  Mass of Au = 11.5 g  To be calculated :-  Numbe...

Q: Instructions: Provide the correct IUPAC name for the following organic compounds. If geometric isome...

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Q: How do I find the keq of this reaction

A: The answer is as follows:  

Q: The reaction between potassium permanganate and sulfur dioxide in acid solution is as follows: MnO4...

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Q: Which one of the following substances crystallizes as a molecular solid? Multiple Choice CH3OH Al2(S...

A: The solid whic consists of dIscrete molecules are called as molecular solids. 

Q: what is the bronstead lowry classifcation of each

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Q: The pH of a 0.1 M Ba(OH)2 solution is 13.3. Group of answer choices True False

A: The pH of a solution is a measure of its hydrogen ion concentration. It is defined as the negative o...

Q: Identify the major product obtained when this compound is treated with fuming sulfuric acid. SO3 .SO...

A: Ans : Options  : (2) IV Right. Explain :      Benzaldehyde  React  with fuming  conc. H₂SO₄ to forme...

Q: Iron has a density of 7.87 g/cm^3 and crystallizes in a body-centered cubic structure. What is the a...

A: Body centred cubic unit cell have atoms that occurs at the corners as well as in the centre of unit ...

Q: The formula for an amine is HNR3+, where R is most often a hydrogen atom or a carbon chain of varyin...

A: The statement given is "The formula for an amine is HNR3+, where R is most often a hydrogen atom or ...

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".