Question

At room temperature (20°C) milk sours in about 64 hours. In a refrigerator (3°C) milk can be stored for approximately three times as long.
Estimate the activation energy of the reaction that causes the souring of milk.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Chemical Kinetics

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: Determine the pH of a solution that is 0.20 M in NH3 and 0.30 M NH4Cl

A: The mixture of NH3 with NH4Cl is a buffer solution as it is a mixture of weak base (NH3) with its co...

Q: What goal is accomplished by standardizing  solutions?

A: Standard solution is made from a solute of known amount to prepare a solution of known concentration...

Q: A researcher is studying the decomposition of A as shown by the general reaction below: 3 A(g) 2 B(s...

A: The equilibrium constant of given reaction is determined as,

Q: Project 2: Food Dye Spectroscopy   What is the relationship between absorbance and transmittance?

A: Absorbance is the measure of capacity of a sample to absorb light of a specified wavelength. Absorba...

Q: What is the standard enthalpy change for the combustion of gaeous propylene, C3H6?  C3H6(g) + 9/2 O2...

A: STEP 1: write the balanced chemical equation 

Q: 2. A car averages 28.5 miles per gallon of gasoline. How many liters of gasoline will be needed for ...

A: The given kilometer is converted into miles1 miles = 1.609 km415 km/1.609 km =257.92 miles

Q: Technetium-99m, an important radionuclide in medicine, has a half-life of 6.0 hours. What percentage...

A: Formula for radioactive decay is given as,

Q: Which of the following bonds would be the most polar? a. C-Br b. C-I c. Cl-Cl d. C-F

A: The difference in electronegativity between the two atoms of the bond determines the polarity of the...

Q: The equilibrium constant for a system at chemical equilibrium at 318 oC is 3.4 x 10-3.  Calculate th...

A: The standard free energy change for the system is given by the expression given in the equation (1) ...

Q: Predict the ratios of products that result from chlorination of isopentane (2-methylbutane). please ...

A: The percentage and name of monochlorinated products formed in the chlorination of 2-methylpentane ar...

Q: 4. Which of the following compounds would be expected to have the lowest melting point? a. AIF3 b. R...

A: Ionic compounds with higher charges have higher melting point due to strong intermolecular forces an...

Q: If the daily allowance for Vitamin C is assumed to be 75.0 mg, how many liters (L) of a 0.002154 M s...

A: The number of moles of vitamin C(ascorbic acid) is calculated as,

Q: A chemist carries out this reaction using 10 moles of acetone and 16 moles of benzaldehyde and obtai...

A: The reaction of acetone with benzaldehyde results in the formation of dibenzalacetone. In this react...

Q: Question # ei Name the following compounds: 1- HOCH2CH2OH CO2H 2 SH

A: 1) In this compound, two carbon atoms and two alcohol groups are present.  Two carbons indicates eth...

Q: balance N2+H2=NH3

A: A chemical reaction can be represented by an equation which includes the reacting substances and tho...

Q: How many times is a solution at pH=3 more acidic than a pH=6?

A: Concentration of H+ ions of a solution with pH = 3 is determined.

Q: Does KOH (aq) + Co(CH3COO)3 (s)  yield H2 gas along with potassium acetate and Cobalt(III) hydroxide...

A: We have to explain whether the reaction of cobalt (III) acetate produce Hydrogen gas on reaction wit...

Q: If the caffeine concentration in a particular brand of soda is 2.91 mg/oz,2.91 mg/oz, drinking how m...

A: The caffeine concentration in the soda is 2.91 mg/oz. A single can has 12 oz.The amount of caffeine ...

Q: 4. All of the following half-reactions are balanced except NO3-(aq) + 4H+(aq) + 3e- = NO(g) + 2H2O(l...

A: A balanced redox reaction equation will have same number of atoms on both sides of the reaction and ...

Q: Calculate the Gibbs free energy (in kJ/mol) at 25 degrees C of the following reaction using the data...

A: The Gibbs free energy of a reaction is calculated by the expression given in the equation (1) in whi...

Q: Calculate the solubility products for the following compounds:  a) SrF3 7.3x10-2 g/L b) Ag3PO4 6.7x1...

A: Step 1-Solubility- It is defined as the maximum amount of solute that can be dissolved in a solvent ...

Q: What is the value of delta G at 120.00 C for a reaction in which delta H = 5.0kj/mole and delta S = ...

A: The equation given below helps us to calculate the change in free energy in a system.

Q: How do I work this problem? 100 calories to kilocalories

A: This question can be solved as follows : 

Q: Consider a sample that consists of three green spheres and one blue sphere. The green mass is 3.00 g...

A: The fractional abundance of each sphere is calculated by,

Q: Question 23:Calculate the [H3O+] and [OH−] for a solution with each of the following pH values: Part...

A: The pH of the solution can be defined as the negative of the logarithm of [H3O+]. Mathematically, it...

Q: Upon ingestion, grain alcohol,C2H6O, is metabolized into acetaldehyde, C2H4O, which is a toxic subst...

A: Redox reactions has two simultaneous reactions i.e. oxidation and reduction.Oxidation is generally d...

Q: What is the value of delta G at 120.00 C for a reaction in which delta H = 5.0kj/mole and delta S = ...

A: The change in Gibbs free energy is calculated as,

Q: Write the correct name or formula for each Arrhenius acid or Arrhenius base.  For formulas, please i...

A: (a)Arrhenius acid – forms H+ ions in water.Given formula is H2SO4(aq)The name of the given formula i...

Q: Calculate the boiling point of a 1.75 m Mg(NO3)2 aqueous solution.

A: The boiling point elevation is given by

Q: Project 2: Food Dye Spectroscopy   How can you use serial dilutions to determine the relationship be...

A: Absorbance and concentration are related through the Beer-Lambert law. Mathematically, it is express...

Q: Clculate Gibbs free energy when  delta H = +125kJ/mol , T = 293K, mol and  delta S = 0.0350kJ/(mol K...

A: The change in Gibbs free energy is calculated as,

Q: Name the nucleohile, electrophile and leaving group in reaction for the preparation of t-amyl chlori...

A: Nucleophile is a species that has lone pairs of electrons which can be donated by it to form a coval...

Q: The reaction rate of the following reaction:aA +bB ==> cC is known to be:k[A] 0 [B]2 Now answer t...

A: Rate of reaction and concentration of reactants are related as per rate law.Each reactant concentrat...

Q: Provide explanations for the number of intense perchlorate Cl-O stretching vibrational modes observe...

A: Ag(NH3)2(ClO4) compound is formed by forming a solution of AgClO4 in concentrated ammonia.The formed...

Q: Calculate the mass of urea that should be dissolved in 225 g of water at 35 degrees celsius to produ...

A: Colligative properties are those properties which depend only on the moles of solute.Addition of a n...

Q: Do more complicated equations, such as NOCl2+NO->2NOCl have smaller orientation factors or do sim...

A: In complicated equation, such as the equation given below, the possible ways that the NO atom collid...

Q: A mixture is made up of 4 molecules of CH3CH2  CH2OH and 5 formula units of Pb3(PO4)4 * 6H2O. Why ar...

A: A molecule is composed of two or more elements that are covalently bonded.It is the smallest particl...

Q: Why is the formation of iron hydroxide, Fe(OH)2, from Fe2+ and OH- not considered a REDOX reaction? ...

A: Redox reaction is a kind of chemical reaction in which transfer of electrons occurs between two chem...

Q: 2. You have a solution that contains 4.0g of oxalic acid dissolved in 100 mL of water. This solution...

A: Given:9.5 g of Oxalic acid Is soluble in 100 mL of water.16.9 g of Oxalic acid is soluble in 100 mL ...

Q: A student determines the value of the equilibrium constant to be 62×10-18for the following reaction....

A: From the relationship between equilibrium constant (K) and ΔG0, it is clear that when the value of K...

Q: https//www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-lgNslkr7j8P3jH-li0PlvTr4JIONkR4HHkf0EVFNj8DKUvK19KA...

A: Ions are produces when, ionic substances dissolved in water like polar solvents. In these proses sol...

Q: Currently, the atomic mass unit (amu) is based on being exactly one-twelfth the mass of a carbon-12 ...

A: The mass of an atom is not only due to the sum of the masses of the neutrons, protons and electrons ...

Q: 0 0 0 H3NCH-C-NH-CH-CNH-CH-C- сH CH2 CH2 CH2 NA CH2 -NH CH2 OH NH3 a. Lys-His-Phe b. Lys-His-Tyr c. ...

A: The organic compound containing amine and carbonyl functional group along with a side chain known as...

Q: Hello, I need help with sigfigs and scientific notation. I am a lil confused on problems like 3.456/...

A: Some standard rules about significant figures and scientific notations are as follows:A simple way t...

Q: For the reaction shown, at 25° C, dleta S  is0.00300 kJ/(mol K). Calculate the delta G for this reac...

A: The equation given below helps us to calculate the change in free energy in a system.

Q: How to convert 6.7125558746858e+25 molecules of CO2 (carbon dioxide) to grams of oxygen?

A: First, convert the molecules into moles of carbon dioxide,

Q: A 5.00g quantity of a diprotic acid was dissolved in water and made up exactly 250 mL. Calculate the...

A: A diprotic acid is that which can release two protons. For complete neutralization of such acid, bot...

Q: A student is given 1.525 g of pure CuO. To recover the Cu present in the compound, the dark powdery ...

A:                                               CuO + 2 HCl ------> CuCl2 + H2O As per the balanced...

Q: 5. Write a flow chart to show how you could separate the following pairs of compounds by using acid-...

A: Step1:By using acid base extraction, from a given mixture separation of pure compounds depends on th...

Q: LA A #7 a) Briefly describe how you can tell which layer is the aqueous Phase after perform ain exth...

A: You can't tell just by looking at it, you need to know the density of the extraction solvent. If it ...