net ionic equation

Q: A chemist measures the energy change AH during the following reaction: 2 H,O(1) → 2 H,(9)+0,(9) AH=5...

A: The reaction given is :-  2H2O(l) ---> 2H2(g) + O2(g) ∆H = 572 KJ 

Q: How is a coffee cup calorimeter a "constant pressure" device? In this scenario, what is the "system ...

A: Given mass of barium = 2.50 gram Given mass of water = 100 gram Initial temperature = 22 ℃  Final te...

Q: Practice assignment: Stoichionmetry On a separate sheet of paper, show the setup and answer for each...

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Q: 4. What mass of Cu(10,); can be formed from 0.5000g of Cuso, SH,0?

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Q: Complete the table below. Round each of your entries to 2 significant digits. You may assume the tem...

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Q: Q2 : At 25°C, K = 3.40 x 10-3 S m-1 for 0.00100 M NH4OH. Values of Lo are: NH4C1 = 0.01497, NaOH = 0...

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Q: In an experiment similar to Perrin's, you counted the concentration of suspended particles in a liqu...

A: First we check the relation between depth and number of atoms using the given two observation at two...

Q: Q2 At 291 K, the equivalent conductivities at infinite dilution of HCI, NaCl and CH3COONA are 369.3,...

A: First we will calculate equivalent conductivity at infinite dilution of CH3COOH. Using degree of dis...

Q: An Anthropologists can estimate the age of bone by its C-14 isotope content (carbon-fourteen). The C...

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Q: for hypochlorous acid, HClO, is 3.0×10-8. Calculate the pH after 40.0 mL of 0.100 M NaOH have been a...

A: Ka(HClO) = 3.0 × 10^-8 Volume of NaOH = 40.0 ml Molarity of NaOH = 0.100 M Volume of HClO = 40.0ml M...

Q: Enter your answer in the provided box. A sheet of gold weighing 10.0 g and at a temperature of 16.4°...

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Q: what is the antimicrobial compound that is found in table salt?

A: Answer - According to the question -  Antimicrobial compound - An antimicrobial agent is defined as ...

Q: Which of the following solutions is a buffer system? 0.10 M HI and 0.10 M K 0.10 M HF and 0.10 M KI ...

A: A buffer solution is a solution that resists change in pH  even upon the addition of small amount of...

Q: 4. Calculate the change in thermal energy (Q) with the given: 1 kilogram of water, 1 degree Kelvin. ...

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Q: For the reaction CaO(s) + CO2(g) CACO (s) %3D 4.1 X 103 ΔΗΟ -42,500 – 0.66 T + 2.155 X 10-3 T² + T F...

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Q: 1. Locate the radial nodes in the 3s orbital of an H atom. Give them in Å.

A: There are two types of nodes, angular and radial nodes. Angular nodes are flat plane (at fixed angle...

Q: Part B If the volume of the original sample in Part A(P = 412 torr , V1 = 10.0 L ) changes to 64.0 L...

A: Given, Initially Pressure (P1) = 412 torr  Volume (V1) = 10.0 L Later Pressure (P2) = ? Volume (V2) ...

Q: Which name of this compound [Al F6]??

A: We have to Wright name of [AlF6]

Q: Hydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperature...

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Q: d. The temperature at which the reaction starts to be spontaneous

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Q: Compute the E°cell and determine whether spontaneous or not. A. Zn and Fe B. Fe and Pb C. Zn and Pb

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Q: percent of

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

Q: Enter your answer in the provided box. Given the same reactant concentrations, the reaction Cog) + C...

A: Rate of the reaction: Rate is the change in concentration of a reactant or change in concentration o...

Q: Rep

A: Y=mx+c where m= slope and C= intercept on y axis ie. m=∆H/R    and C=∆S/R

Q: OH CI NaOH Cl, CI CI CI CI

A: We have to predict the steps of reaction with name.  

Q: A generic Lewis structure is given where Y represents the central atom and the outer atoms are repre...

A: We have to predict the correct compound for given structure.  

Q: Calculate the Mg (OH) 2 content of MOM, 13.2 g of which was dissolved in 55.00 mL of 1.2642 N H2S04 ...

A: Mg(OH)2 is first reacted with H2SO4. The excess H2SO4 is then reacted with NaH.

Q: What is the compound name of the skeletal structure below?

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Q: Enumerate

A: Yes the formation of the new substances is evidenced by the color changes and formation of the bubbl...

Q: During the first plateau why doesn't the pH change much with the addition of NaOH? Why do we choose ...

A: A titration is the process of determining the quantity of a substance A by adding measured increment...

Q: For problems (1-7) use the equation: 3 NaHCO, + H,PO, ----> 3 CO, + 3 H2O +NaPO4 1. Number of moles ...

A: 4.

Q: 5. Solve the Q given the following : 200-g sample of an unknown substance changed, temp from 40°C to...

A:   Given : Mass = m = 200 gram  Final temperature  =  T1 =  25°c Initial temperature =  T2  = 40°c   ...

Q: If 25.00 mL of saturated Ca(OH) 2 solution was titrated with 0.050 M HCI and 19.37 mL of 0.050 M was...

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Q: temperature? What mass of solute will dissolve in 100 g water at the following temperatures? a. NaNO...

A: 6.)  To answer these values we would check the curve of given solute and temperature, then look at y...

Q: Can you give examples of molecules where we can find the following atoms in? Thanks! O (sp3-hybridi...

A: Hybridization is defined as mixing of atomic orbitals so as to rehybridize to form new set of orbita...

Q: Consider this overall reaction and its proposed mechanism. Write a valid rate law expression for the...

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical reacti...

Q: To a solution containing 1.0 × 10 ^(- 2) M AgNO3 and 2.0 × 10 ^(- 2) M Pb (NO3) 2 is added, with sti...

A: Given :  Concentration of AgNO3 = 1.2 x 10-2 M  So, concentration of Ag+ = 1.2 x 10-2 M  Concentrati...

Q: A wittig reaction experiment: Week 1 -》 preparation of phosphonium salt  Materials : triphenylphos...

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Q: 3. a) Give reagents and reaction conditions for X and Y for reaction below (2 marks ) b) Give the IU...

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Q: Light of varying wavelength hits the surface of a metal. Match each wavelength of light with the obs...

A: When light strikes on a metal, electrons can be ejected from the surface of the metal in a phenomeno...

Q: Give and compare the MP of the following compounds. Show the structure of each compound for you to h...

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Q: Label one of the test tubes Fe2+. Add 4 milliliters of iron(II) sulfate to the test tube. Label the ...

A: Given that:  1. In one test tube there is 4ml FeSO4 solution.So this will produce Fe+2 (aq) in solut...

Q: At a certain concentration of N2 and 03, the initial rate of reaction is 7.0 x 104 M / s. What would...

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Q: CH3CH2CH2CH2CH2CH2COH  CH3CH2CH2CH2CH2COOH CH3CH2CH2CH2CH2CH2CHCH2 CH3CH2CH2CH2CH2CH2CH2OH a) Whi...

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Q: Treatment of a 0.7000 g sample of impure potassium chloride with an excess of AgNO3 resulted in the ...

A: Given, mass of sample of impure KCl = 0.7000 g molar mass of KCl = 74.55 g/mol Excess reactant - AgN...

Q: needs to synthesize 2-pentanone from 1-butyne. help her by suggesting a synthetic scheme she has to ...

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Q: Express propyl acetate and ethyl butyrate as condensed structural formula

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Q: How long would it take for the amount of u-235 to reach 1/8 of its initial amount? One of the nuclid...

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Q: Locate the radial nodes in the 3s orbital of an H atom. Give them in Å.

A: Solution - According to the question - Given -