Explain how bacteria are being detected using an electrochemical sensor.

Q: The conversion of ammonium cyanate into urea is a second order reaction.  If the initial concentrati...

A:

Q: s the reaction in picture 1 exothermic or endothermic?

A: Given : We have to tell whether the given reaction is exothermic or endothermic.

Q: G and h

A: Given:

Q: Question 7 What variations are tolerated by an analytical method is described by the method's Select...

A: The correct option is:  

Q: Calculate the separation between the two lowest energy levels for an N2 molecule in a one- dimension...

A:

Q: Which of the following models illustrates Acids produce H30* ions in aqueous solutions and Bases pro...

A:   • According to Lewis model of acids and bases, acids are those substance which can accept a pair o...

Q: Identify each molecule below as polar or non-polar (Hint: You may need to review your functional gro...

A: Polar molecule is molecule which have charge separation due to differences in electronegativity betw...

Q: write a balanced chemical equation for each of the following a) potassium nitride reacts with water...

A: The balanced chemical equation of following questions are given below....

Q: А. В. С. нн Lo-CH2 CH2 CH3 H OHH2 но— с-он H H H2 SH H H fo B.

A:

Q: 25mL of a 0.1 M solution of weak acid is being titrated with 0.25 M NaOH. After addition of 5mL of N...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for ...

Q: In the reaction HzCоз+ H20 - нсоз + Нзо", the Brensted acids are Н20 and Hзo* H30* and H2CO3 О нсоз ...

A:

Q: Calculate [H*], [CIO,], and [OH¯]in an aqueous solution that is 0.165 M in HC1O,(aq) at 25 °C.

A: HClO4 is a strong acid .which shows college dissociation. Concentration of HClO4 and Hydrogen ion an...

Q: A solution is prepared by dissolving 44.3 grams of Aspirin( C9H8O4)  in water to produce 2.13 g/ml  ...

A: Mass of aspirin (C9H8O4) = 44.3 grams  Density of solution = 2.13 g/ml  Number of moles of solute = ...

Q: A solution is made by dissolving 18.4 g HCI (MM=36 g/mol) in 662 mL of water. The pH of the solution...

A: HCl is strong acid

Q: What mass in grams of the magnetic oxide of iron (Fe3O4) can be made from 77.0 g of pure iron and an...

A:

Q: If you were to compare the composition of the air you inhale and the air you exhale, what difference...

A: The process where we inhale and exhale the air is called respiration. There is some compositional ch...

Q: normally, the pH of the human body is fixed in a very narrow range between 7.35 and 7.45. a patient ...

A: pH of human blood - 7.35 - 7.45  Lower pH value means concentration of Hydrogen ion increases in the...

Q: A student needs to prepare a buffer solution with a pH of 4.65. Assuming a pKa of 4.57, how many mL ...

A: Given: pH of buffer = 4.65  pKa of acid = 4.57  Concentration of HB = 0.1 M Volume of HB solution = ...

Q: Question 6 Calculate the pH of 0.40 M NH3 solution, Kb = 1.8 x 10 M. pH = 11.6 pH = 11.8 pH = 11.2 p...

A: Concentration of NH3 = 0.40 M  Kb = 1.8 × 10-5 M  pH of NH3 solution = ?   

Q: Which of these is NOT an electrochemical measurement technique? O chronopotentiometry O column chrom...

A:

Q: Which of the following is a correctly balanced reduction half-reaction? * 2Sb + 3H20 + 6e- → Sb203 +...

A: In a balanced chemical equation, the number of all the atoms and net charge on the reactant side mus...

Q: Write a net ionic equation for the reaction that occurs when aqueous solutions of hydrobromic acid a...

A: Write the balanced molecular equation  Split electrolytes to their corresponding ions to achieve com...

Q: mass

A:

Q: Br CH3 H CH3 Br CH3 CH3 CHy H Br Br CH

A:

Q: Question 8 OH Но НО OH Но HO OH OH OH HOʻ Но What are the monosachharides that make up this trisacch...

A:

Q: The rate constant for this second‑order reaction is 0.540 M−1⋅s−1 at 300 ∘C.   A⟶products How long...

A: Given: Reaction is second order. Rate constant of the reaction = 0.540 M-1s-1. And the concentration...

Q: 2. The size of a molecule is a factor that can greatly affect solubility of ions. Which molecule is ...

A: We are authorised to solve only one question at a time. Please post rest of the questions separately...

Q: A first-order reaction has a half-life of 18.0 seconds.  How long (in seconds) will it take for the ...

A:

Q: Standard solutions of most reductants are used in back titration because. a. Their reactions with th...

A: Hii there, As there are multiple question posted. we are answering first question. If you need furth...

Q: A beaker with 145 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total...

A: Given: Volume of buffer = 145 mL = 0.145 L                                                   (since ...

Q: Determine in descending order which carbohydrate is most polar to least polar. Explain your answer. ...

A:

Q: Match the molecule to the set of spectra given. 100- 75 100 125 150 200 180 160 140 120 100 80 60 40...

A:

Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in...

A: Given : Mass of solute = 40g Density = 1.000g/ml

Q: fixed charge binary ionic compound?

A:

Q: Given 4.42 mol of the product N2, find the corresponding amount of NH3.

A: This question belong to Chemical Equilibrium. We have solved this question by Unitary Mathod mole-mo...

Q: Explain how changing Experimental Volume impacted the kinetics of the reaction. Compare to your pred...

A: A question based on kinetics of reactions in solution that is to be accomplished.

Q: Correct the one that marked wrong

A:

Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in...

A:

Q: A chromatographic analysis is performed with a sample containing toluene and benzene. The column len...

A:

Q: onstant (?) data collected during the experiments. Plot the data to answer the questions. What is t...

A:

Q: In a CV experiment, what happens after linearly ramping to the 'switching' potential? The potential ...

A:

Q: Provide an arrow-pushing mechanism for the following reaction to get to the product shown. Ignore st...

A: Answer: This is the combination of nucleophilic substitution reaction of alcohol and electrophilic a...

Q: reaction occurs

A:

Q: Which Bronsted-Lowry acid has the strongest conjugate base? HBr HCI HF HCIO4

A: 3rd option is correct that is HF.   

Q: What are the components of the buffer solution when 0.40 mol H3PO4 is mixed with 0.50 mol of a stron...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: lower

A: According to the question, student carried out the titration of a 5.0 mL sample but did not add any ...

Q: solve for product and reactants please

A:

Q: 15.5 (Pages 650 -656), 15.7 (Pages 661-666) Suppose that a catalyst lowers the activation barrier of...

A: Given : Temperature = 298K

Q: А. `NH2 + CH3CH2O- B CH3 + H3C H3C

A: Correct option is (B) Because acetate ion is a weak base . Anion of acetate is stabilized by equival...

Q: A. Provide an example of a boiling point composition curve and explain in simple words. Five sentenc...

A: In liquids, the interaction among the constituent particles is much weaker than the interaction in t...