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Calculate the amount of heat energy released when 50 mL of 1 M hydrochloric acid (HCl) is mixed with 50 mL of 1 M sodium hydroxide (NaOH) solution. The heat of neutralization for the reaction between HCl and NaOH is -57.1 kJ/mol.

asked Jan 23 in ThermoChemistry by AbbeyBisson8 (1.9k points)

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1 answer 86 views

At room temperature, the equilibrium constant (K) for the formation of a complex ion is 8.0 x 10^-5. If the temperature is increased by 10 degrees Celsius, how will the equilibrium constant be affected? Provide a numerical answer and explanation to support your reasoning.

asked Jan 22 in Chemical equilibrium by AltonDurden (2.1k points)

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1 answer 90 views

What is the oxidation state of sulfur in the compound SOCl2?

asked Jan 21 in Inorganic Chemistry by JuanitaShear (2.4k points)

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1 answer 86 views

As a Chemistry student, analyze the environmental impact of an industrial project that involves the production of fertilizers, and suggest ways to mitigate its negative impact on the environment.

asked Jan 22 in Environmental Chemistry by ChristelIdr7 (1.7k points)

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1 answer 90 views

A student needs to calculate the standard potential of a electrochemical cell formed by a zinc electrode and a silver electrode. The concentration of Zn2+ ions in the zinc half-cell is 1.0 M and the concentration of Ag+ ions in the silver half-cell is 0.1 M. The measured potential of the cell is 1.95 V. What is the standard potential of the cell?

asked Jan 22 in Physical Chemistry by LarhondaKeel (1.6k points)

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1 answer 59 views

Calculate the bond energy of O-O bond in a molecule of oxygen gas (O$_2$) given that the dissociation energy required to break this bond is 498 kJ/mol.

asked Jan 23 in Chemical reactions by ClaritaSifue (1.8k points)

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1 answer 136 views

What is the systematic name of the organic compound with the molecular formula C6H12 and the following structural formula: CH3CH2CH2CH2CH=CH2

asked Jan 21 in Organic Chemistry by CorrineHampt (2.4k points)

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1 answer 57 views

Calculate the corrosion potential of a silver metal in a solution containing 0.1 M silver nitrate and 1 M nitric acid given that the standard reduction potential of the Ag⁺/Ag couple is +0.80 V and the standard reduction potential of the NO₃⁻/NO₂⁻ couple is +0.96 V.

asked Jan 23 in ElectroChemistry by Latonya89F54 (2.2k points)

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1 answer 97 views

A chemistry student needs to determine the equilibrium concentrations of reactants and products for the following reaction:2 NOCl (g) ⇌ 2 NO (g) + Cl2 (g)The initial concentration of NOCl is 0.50 M and the equilibrium constant, Kc = 4.68 x 10^-3. What are the equilibrium concentrations of NO and Cl2?

asked Jan 22 in Chemical equilibrium by ChiKellett4 (1.5k points)

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1 answer 130 views

What is the structure of a specific compound based on its IR and NMR spectra?

asked Jan 21 in Organic Chemistry by GraceChaves1 (2.0k points)

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1 answer 135 views

What is the correct IUPAC name for the following organic compound? CH3CH2CH(CH3)CH=CH2

asked Jan 21 in Organic Chemistry by JamiFreame70 (1.7k points)

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1 answer 90 views

A solution of nitrogen dioxide, NO2 gas, at a pressure of 2.50 atm and temperature of 300 K, reacts with oxygen gas, O2, to form nitrogen oxide, NO, and dioxide, NO2. Write the balanced chemical equation for the reaction and determine the equilibrium concentrations of all species if the value of the equilibrium constant, Kc, at 300 K is 4.0 x 10^-4.

asked Jan 22 in Chemical equilibrium by Samira94683 (2.2k points)

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1 answer 84 views

Balance the chemical equation for the combustion reaction of propane (C3H8) with oxygen gas to produce carbon dioxide gas and water vapor.

asked Jan 22 in Chemical reactions by CaitlynHoran (1.8k points)

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1 answer 103 views

A certain chemical reaction has a delta H value of -120 kJ/mol. If 2.5 moles of this reactant undergo the reaction, how much energy is released or absorbed by the reaction?

asked Jan 22 in ThermoChemistry by BonnieSayre (2.1k points)

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1 answer 135 views

What is the systematic name of the organic compound with the molecular formula C6H12O and a ketone functional group located on the second carbon atom from the left end?

asked Jan 21 in Organic Chemistry by ChuRosenbaum (2.2k points)

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1 answer 98 views

A chemist wants to produce 5 grams of ammonia (NH3) gas through the reaction of nitrogen gas (N2) and hydrogen gas (H2). What mass of hydrogen gas is needed, assuming excess nitrogen gas is provided? (Hint: balance the chemical equation and use stoichiometry to calculate the required mass)

asked Jan 22 in Chemical reactions by StanGjo3033 (1.9k points)

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1 answer 171 views

According to the door-in-the-face technique, what approach is used to get someone to agree to a request?

asked Jan 20 in Psychology by NicholasPedi (1.8k points)

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1 answer 85 views

A student wants to determine the power output of a galvanic cell containing a zinc electrode and a copper electrode. The zinc electrode has a surface area of 20 cm² and is coated with a layer of zinc which weighs 0.5 grams. The copper electrode has a surface area of 15 cm² and is coated with a layer of copper that weighs 0.4 grams. The cell operates at standard conditions (25°C and 1 atm), and the electrolyte is a solution of 1 M copper sulfate and 1 M zinc sulfate. Calculate the power output of the electrochemical cell.

asked Jan 22 in ElectroChemistry by JeannetteNun (1.6k points)

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1 answer 43 views

Calculate the equilibrium constant, Kc, at 298 K for the reaction 2 SO2(g) + O2(g) ⇌ 2 SO3(g) when the initial concentrations of SO2, O2, and SO3 are 0.100 M, 0.200 M, and 0.300 M, respectively.

asked Jan 23 in Chemical equilibrium by HenryCharles (2.0k points)

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1 answer 128 views

What is the oxidation state of manganese in the compound MnO2?

asked Jan 21 in Inorganic Chemistry by KristeenN708 (2.1k points)

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