According to the following reaction, how many grams of barium chloride will be formed upon the complete reaction of 30.0 grams of barium hydroxide with excess hydrochloric acid? hydrochloric acid (aq) + barium hydroxide (aq) →barium chloride (aq) + water (I)

Q: Yeast, Saccharomyces cerevisiae, fermented sucrose faster than glucose and fructose. Why? and why wa...

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Q: In diluting acid solution, which of the following statements are correct? I. Add the acid into disti...

A: The reaction between acid and water is exothermic in nature .it release  large amount of energy . Th...

Q: HF, CH3CH2CH2OH, CH3CH2COOH which is the strongest to weakest acid? Provide a reason as to why.

A: Mineral acids are stronger acidic nature than organic carboxylic acids.  Carboxylic acids are strong...

Q: Identify the limiting reagent when 6.00 g HCI reacts with 5.00g Mg.

A: Limiting reagent: the reactant which is consumed first in the chemical reaction is called as limitin...

Q: The diagram above shows an electrolytic cell used to plate a nail with zinc. The mass of zinc plated...

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Q: The Lennard-Jones parameters for argon are: A = 1.022 × 10-77 J mº and B = 1.579 x 10-134 J m12. Cal...

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Q: Provide the answers to the following questions. Show all of your work with correct units throughout ...

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Q: What is the pH of a solution which is 0.021 M in weak base and 0.039 M in the conjugate weak acid (K...

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Q: mole fraction

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Q: A solution of 10.0 g of sodium chloride (NaCl = 58 g) is added to 100.0g of water in an attempt to e...

A: Given :  Mass of sodium chloride = 10.0 g  Molar mass of sodium chloride = 58 g/mole  Mass of water ...

Q: Use the provided deta to identify functional groups the malecule contains end propose seme pessible ...

A: The answer is as follows:  

Q: A 42.9 ml sample of a 0.373 M aqueous hydrofluoric acid solution is titrated with a 0.404 M aqueous ...

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Q: If the enthalpy change of an enzymatic reaction associated with the conversion of 2000 g of a target...

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Q: 1. What is the rate law for the given elementary reaction? NH4SCN → NH4NCS A) Rate law = k[NH4SCN]...

A: Rate law expression shows the relation between the rate of the reaction and the reactant of that rea...

Q: What is the number of o bonds and ä bonds in one molecule of this compound?

A: In any between two atoms is presence single bond consider as a Sigma bond where as a double bond pre...

Q: A middle school student asks you why hot air rises. Explain in one to three sentences the reason tha...

A: When air  gets heated up it expands and become less dense than surrounding .   

Q: Draw out the peptide IYV and clearly label/identify all the Phi, Psi, and peptide bonds present in t...

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Q: You are given a 125 mL aqueous solution containing an unknown amount of NH4Cl salt. The solution has...

A: Given that, pH of solution =4.82  volume =125 ml =0.125 L  mass of NH4Cl =?   

Q: H3C HO Br H3C- H3C- Br H CH3

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Q: (a) In the cubic crystal structures, as the values of the Miller indices (h, k, and 1) increase, doe...

A: Miller indices are group of three values (hkl) that indicates the set of parallel planes of atoms in...

Q: For these two equations (2) and (3), determine whether they are exothermic or endothermic, and why.

A: The chemical reaction accompanied by or requiring the absorption of heat is known as an endothermic ...

Q: PROBLEM 1: A mixture of argon and xenon was prepared at a pressure of 1 bar and at 25°C. The amount ...

A: Answer ) the argon and xenon both gas are inert in nature so we can assume that the mixture of these...

Q: Classify the following molecules as polar or non-polar (write below the chemical formula in the firs...

A: A question based on molecules that is to be accomplished.

Q: For the following reaction, 5.48 grams of zinc oxide are mixed with excess water . The reaction yiel...

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Q: 4. Draw the phase diagram of CO: given the following: a. 1 atm at -780C b. 2 atm at -900C с. 5.2 atm...

A: A question based on phase diagram that is to be accomplished.

Q: What is the mole fraction of substance B (ethanol) in a mixture that is 58.4% weight

A: If total mass of mixture = 100 g  Then  Mass of water = 58.4 g Mass of Ethanol = 100-58.4=41.6 g Mol...

Q: limiting reactant?

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Q: Which is known as B-D-glucopyranose? I. Choice I Which is the functional isomer of B-D-glucopyranose...

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Q: 2. Name the following in an unambiguous manner. b. с. a. Br: H3C (CH)2CH3 CH2C(CH3)3 H

A: A question based on nomenclature that is to be accomplished.

Q: Given the following results: Run Rate of Reaction (M/s) [I-] [H2O2] 1 1.99 0.516 0.561 2 3.15...

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Q: Prepare 3L    of    a    22%    (v/v)    bleach    solution (calculate    without     rounding).    ...

A: Preparation of 22 % v/v of bleach solution       22% =Volume of bleach solutionTotal volume of solut...

Q: Design a buffer that has a pH of 7.36 using one of the weak base/conjugate acid systems shown below....

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Q: which atom has the most neutrons Choice A: neon-20 Choice B: Phosphorous-32 Choice C: Chlorine-35...

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Q: In diluting acid solution, which of the following statements are correct?   I.    Add the acid int...

A: Acids can be diluted by mixing it with water. Precautions should be taken while mixing, because the ...

Q: If the biochemist used SDS-Polyacrylamide Gel Electrophoresis , predict the correct order of migrati...

A: SDS-Page is used to separate a mixture of proteins having their mass in the range of 5 - 250 kDa. Pr...

Q: Show the calculation required to determine the pH of a solution that has H3O+ concentration of 0.015...

A: pH of solution is defined as negative logarithm of hydrogen ions. 

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

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Q: Concentrated phosphoric acid is 85.0% by mass H3PO4. If the molarity of concentrated H3PO4 is 14.5 M...

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Q: Do chelators reduce conductivity? Do water-miscible solvents such as mono ethylene glycol, glycol et...

A: A question based on coordination complexes that is to be accomplished.

Q: Consider a gaseous sample of ammonia NH3. You take a microwave spectrum of the sample and observe th...

A: The first two spectral signatures are at 18.88 cm-1 and 37.76 cm-1.

Q: It was found out that 2.0 kg of sucrose can dissolve per liter of water at 25°C. How many tablespoon...

A: Mass of sucrose = 2kg i.e. 2000 g  Volume of water = 1 L or 1000 mL  

Q: Omeprazole magnesium [(C17H18N3O3S)2 * Mg; MW = 713.12) dissociates to 70% at a certain concentratio...

A: Molecular weight of Omeprazole = 713.12g/mol Percentage of degree of dissociation = 70%  Degree of d...

Q: Clean, dry and weigh an aluminium can. Find the price of aluminium in a newspaper. (It's usually fou...

A: The atomic number of Aluminium of 13 with the symbol Al. It has a density lower than those of other ...

Q: Give a clear handwritten answer..make a structure formula for-(R)-4-chloro-2-ethyl-3-methyl-1pentene...

A: Structural formula is the formula or diagram which shows how the atoms of different elements are lin...

Q: Write the mass balance and charge balance equation of 0.20 HNO2. Note that HNO2 is a weak acid

A: Solution                                Given that  Equation of = 0.20 HNO2 Weak acid is = HNO2 Fin...

Q: Based from the nitrogen test experiment, what is the test for nitrogen?

A: Analytical chemistry is branch of chemistry in which we deal with detection of element in organic co...

Q: H H3C, „H H YCH2CH3 ČH3 A

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Q: An aqueous solution of calcium hydroxide is standardized by titration with a 0.110 M solution of per...

A: Given, Concentration of perchloric acid = 0.110 M Volume of base = 24.7 mL Volume of acid = 27.3 mL ...

Q: Discuss balancing chemical equation.

A: A chemical equation has a equal number of atoms for each element involved in the reaction are repres...

Q: Calculating equilibrium concentrations using the reaction quotient 1. For the reaction H2(g) + F2(9)...

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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".