A student removes 25 mL of 3.0 M NaOH and dilutes it to final volume of 350 mL. What is the concentration of the resulting solution.?

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A: The chemical reactions may takes place by combination or decomposition or displacement. The types of...

Q: give the mechanism and resonance structures CH,CO,H H,SO,

A: This reaction occurs through electrophilic substitution reaction.

Q: Butyric acid, C3H,COOH, has ionization constant of 1.54 x 10-5. a) Calculate the pH of 50.0 mL of a ...

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Q: 18) There are o and n bond(s) in the H2C-CH2 molecule. A) 3 and 4 B) 5 and 1 C) 3 and 2 D) 2 and 3 E...

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Q: ОН H2N

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A: The correct answer about electron configuration is given below

Q: : A precipitate of PbI, is formed when 5 mL of 0.012 M Pb(NO,), is added to 5 mL of 0.030 M KI. it w...

A: Molarity of lead nitrate = 0.012M Volume of lead nitrate = 5 mL Molarity of KI = 0.030M Volume of KI...

Q: Consider the equilibrium equation below: Co(H2O)62+ (aq) + 4Cl- (aq) ⇌ CoCl42- (aq) + 6H2O When hy...

A: Co(H2O )62+ (aq) + 4Cl- (aq) ⇌ CoCl42- (aq) + 6H2O

Q: 02) Qual o valor aproximado (faixa de frequência) que os grupos funcionais em destaque absorvem no e...

A: Concept : Vibrational frequency.  We know that Vibrational frequency is mainly depends mainly on the...

Q: Here is a graph of the pressure of ozone (03) in a reaction vessel during a certain chemical reactio...

A: the speed of reaction  are measured in  terms of rate which the change in concentration upon time in...

Q: 9) Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar? A) Si...

A: 9. Electronic configuration : Na: 1s22s22p63s1 Mg:1s22s22p63s2 P: 1s22s22p63s23P3 Si :1s22s22p63s23P...

Q: H2N' ONH3

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Q: Task no18) -23/ドD mo Ander le3ob k during I hour 95% of A Consum under whi ch T duling 工 1 minute 0....

A: This can be solved using Arhenious equation,for which we first need to determine equilibrium constan...

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Q: Ammonia is a convenient buffer system in the slightly basic range. (a) What is the pH of a buffer so...

A: Given, mass of NH4Cl=46 g moles of NH4Cl=46 g53.49 g/mol=0.8599 mol molarity of NH3=0.920 M Volume =...

Q: How many different types of protons are present in each compound?

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Q: A. A typical cheese contains 30.17% water, 31.23% protein, 34.39% fat by mass and the rest made up o...

A: We have to predict the mineral water content, volume occupied.  

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A: Packing fraction is the ratio of the space occupied by the atoms to the space available . Packing ef...

Q: general chemistry , please solve question 15 and 16

A: 15) to find the most polar bond, electronegativity difference should be calculated using the values ...

Q: Draw the major product formed when 1,3-cyclohexadiene reacts with this acid. Do not include any bypr...

A: The stability and nature of the intermediate formed during this reaction decides the fate of the rea...

Q: On your shown work draw an electron dot structure for QCl,2 where Q is a main group 6 (group 6A). Yo...

A: Lewis structure is an electron-dot structure in which the electrons are represented by dots. The dot...

Q: Consider the following reaction and initial rate data: 2H2 (g) + 2NO (g) → 2H,0 (g) + N, (g) [NO]ini...

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Q: H3C CH2

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Q: Evaluate each pair of statements and choose from the following which condition is applicable: Statem...

A: Evaluate each pair of  statements and Choose from the following which condition is applicable 

Q: D) C-H 16) The ground-state electron configuration of the element E)N-H is [Kr]5s14d5. A) Nb B) Te D...

A: qn:16 The atomic number of Mo is 42. the electronic configuration can be written as- 1s22s22p63s23p6...

Q: Can you answer the question?

A: Cyclopropane molecular formula is C3H6  The number of Sigma and pi bonds are present in cyclopropane...

Q: 13. Write down a mechanism for the following reaction with proper reagent(s). Br ?? Ph. Ph Ph Ph Ph

A: the mechanism is as follows:  

Q: The first line in the pure rotational spectrum of 1H35Cl appears at 21.18 cm-1. Find the value of th...

A: First line in the pure rotational spectrum of 1H35Cl = 21.18 cm-1  Atomic mass of D (deuterium) = 2....

Q: the moles

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: 3. The glass membrane electrode is one of the types of ion-selective electrodes. Discuss the mechani...

A: In the quantitative analysis, techniques based on electrochemistry are used to determine the amount ...

Q: Give the mechanism of the following reactions. Briefly explain why any selectivities occur. 1 eq HBr

A: Ring opening reaction.

Q: Find the heating value of carbon monoxide in MJ/kg if 1 mole of carbon monoxide burns stoichiometric...

A: Here we have to find the heating value of carbon monoxide in MJ/ Kg.

Q: Considering the structure of the hydrocarbon test samples (benzene, cyclohexane, toluene, heptane, c...

A: Nitration is taking place in the presence of HNO3 and H2SO4. It will react with the compound which h...

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Q: 2. How many sigma bonds and pi bonds are in this molecule of ethyne? H-C=C-C

A: The ethylene molecule contain 3 sigma-bonds and 2 pi-bonds.

Q: Write the names of each key chemical agent within the two pesticides (Tetramethrin and Lambda-Cyhalo...

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Q: A student ran the following reaction in the laboratory at 431 K: PCI5 (g) PCI3 (g) + Cl2 (g) When sh...

A: Given : Moles of PCl5 = 2.91 moles

Q: CUNO3 Naming Acids For the following acids, please begin by stating if it name the polyatomic ion in...

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Q: What is a spectrophotometer used for in a cobalt chloride solution analysis

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Q: a. A solution of HINO, has a pH of 3.57. What is the molarity of the solution? Molarity = M b. A sol...

A: pH = -log[H+]  Log [H+] = -pH  [H+] = 10-pH   

Q: The depletion of ozone (O3) in the stratosphere has been a matter of great concern among scientists ...

A: 1 mol of NO (g) reacts with 1 mol of O3 (g) to form 1 mole of NO2 (g) and O2 (g).

Q: Hydration

A:

Q: further stabilize this intermediate by participating in the resonance delocalization of the positive...

A: Amine group attached with Benzene ring is ortho, para -activating group.

Q: Write the equilibrium constant expression, K, for the following reaction. Please enter the compounds...

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Q: Determine the order of the reaction and the value of the rate constant. Predict the concentration of...

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Q: References] Obtain the equilibrium constant for the reaction HCN(aq) = H+ (aq) + CN¯(aq) From the fo...

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Q: B. Write the name of the following Br NO2 ZON CH3 Br HC CH CH3 CH3 HC H2

A: The IUPAC name of the following molecules is given below.

Q: 1. You will be separating a binary mixture in this experiment. What are the two compounds in the bin...

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

Q: equivalent hydrogens

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Q: 6. The table below shows the number of neutrons and of electrons in five given atoms/ions: Number of...

A: In the given question the calculations of atomic and mass number of all the desired elements are nec...