Induction coupled plasma (ICP) emission spectrometry is widely used for the sensitive multi-element determinations. How does the ICP work?

Q: When KHCO3 is dissolved in water, how many particles will be in solution? Выберите один ответ: а. 3 ...

A: Given question is :  When KHCO3 is dissolved in water, how many particles will be in solution ?  Opt...

Q: What is the temperature in °C of 4.92 L of water at 30°C after 999.04 calories of heat have been add...

A: Thermochemistry is branch of chemistry in which we deal with heat gained or heat lost by system.

Q: (a) How many grams of H2O2 are contained in a solution that requires for titration 14.05 mL of KMNO4...

A: Answer is as follows, hope it would help

Q: oper name for these compounds. Br OH OH Br a) b) CI c) CI CH3 Tevol (p H3C. CH3 H3C Br он

A: Given,    Give the IUPAC names of the following compounds = ?                 

Q: 4. A mixture of gases is at equilibrium: C2H6 (g) → C2H4 (g) + H2 (g) ∆H = 136.94 kJ (a) Does the eq...

A: Le Chatelier's principle helps in prediction of direction of equilibrium. According to Le Chatelier'...

Q: Determine the microstates, sub microstates for every ML max and Ms max and term symbols 2s+1L, for 3...

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Q: How many intermediates and transition states are there in this reaction? Reaction progress Potential

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Q: (Q97) What is the value of the equilibrium constant (Keg) for the following hypothetical reaction: 2...

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Q: of sulfur dioxide

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Q: Using the following equation, determine the average concentration (molarity "M," moles per liter) of...

A: The questions asks to determine the concentration of acetic acid in vinegar in terms of molarity and...

Q: A system undergoes a transformation for which ASsys 0. The transformation can never be spontaneous....

A: ∆G=∆H-T∆SFor a process to be spontaneous, ΔG<0 ΔGsys<0 ΔHsys-TΔSsys<0 ΔHsys<TΔSsys So th...

Q: Determine the boiling point of CS2, in °C, from the following data: A H° (kJ mol-1) S° (J mol-1 K-1)...

A: Given : 

Q: 14C is a radioactive isotope of carbon, with a half-life of 5730 y. If a mastodon tusk contains 2.65...

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Q: Discuss the Steps in Scientific Methods as mostly used in the content area of Chemistry.

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Q: The value of Kp for the reaction 2HCN (g) àß C2N2 (g) + H2 (g) is 0.17. If the initial partial press...

A: Given data : Initial partial pressures of H2 = 1.0 atm C2NH  = 1.0 atm  HCN = 2.0 atm.   

Q: What is AG (in kJ) for 2 SO2(g) + O2(g) 2 SO3(g) at 700 K, under standard conditions of 1 bar partia...

A: Given :-  2SO2(g) + O2(g) → 2SO3(g)  K at 700 K = 3.0 × 104  To calculate :- ∆G (in kJ)

Q: Aqueous hydrochloric acid (HCI) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A: Given that, mass of NaCl = 6.29 g , molar mass= 58.45 g mol-1 mass of HCl = 11.7 g molar mass=36.45 ...

Q: For which of the following reactions would you predict AHxn° <0 and ASrxn° N2(g) + 3 H2(g) 2 NH3(g)

A:   Change in enthalpy (∆H ): if ∆Hrxn &lt; 0 indicates exothermic reaction and ∆Hrxn &gt; 0 indicate...

Q: Determine the ground term symbols of a.) Mn b.) Mg* c.) V³* d.) 0²- e.) Cu* f.) 3+

A:

Q: Which one of the following nanoscale diagrams best depicts an aqueous solution of lithium carbonate?...

A: Lithium carbonate molecular formula is Li2CO3 , it's a ionic compound d so, whe  it dissolve in wate...

Q: 1.Calculate the mole fraction of each component of a solution containing 65 g of ethanol (C2H6O) in ...

A: mass of C2H6O=65 g , molar mass=46 g mol-1  mass of H2O=350 g , molar mass = 18 g mol-1  then,  

Q: Select the FALSE statement: At 298K the standard state of the element oxygen is O2(g). Bond energies...

A: The exothermic is a process in which heat is released during the reaction and endothermic is the rea...

Q: A reaction has the form 2A + B = A2B The following rate data is observed: [A]                     [...

A:

Q: the moles

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Q: For the following reaction, 27.6 grams of sodium chloride are allowed to react with 66.1 grams of si...

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Q: The bromide ion concentration in a solution may be determined by the precipitation of lead bromide.P...

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Q: Gaseous methane  CH4  reacts with gaseous oxygen gas  O2  to produce gaseous carbon dioxide  CO2 ...

A:

Q: Calculate the number of moles of Fe in 43.6 grams of Fe

A: Given weight of Fe = 43.6 grams Molar mass of Fe= 55.845 g/mol

Q: * W hich substance in each pair has greater intermolecular forces of attraction? . Gas A, vapor pres...

A: The intermolecular forces of attraction depends on the state parameters as, As vapor pressure decre...

Q: 35.00 mL of a solution of KIO3 reacted with exactly 35.00 mL of a 0.1000 M solution of KI in acid me...

A: Volume of KIO3 = 35ml Concentration of KIO3 = to be calculated  Volume of KI = 35ml Concentration of...

Q: A. Binary lonic Monovalent Write the correct formula for each of the following: Ca3N2 Alz03 AgzS AIB...

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Q: Synthesis the followiong reactions Pt 2H2 1) Cyclohexyne (850-900)C 2) 3) CH3CH,CCCH3 + H,O

A: Given, 

Q: Working in a fume hood, to 1 cm of the organic compound in a test tube add On addition of PCLS fumes...

A: The test is based upon the reaction of an organic compound with PCl5.

Q: Calculate the mass of octane, C8H18 (l) , that must be burned in air to evolve the same quantity of ...

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Q: moles of carbon dioxide could be produced it CeH18 + 2502 → 16CO2 + 18H2O

A: In this question we have to calculate the amount of moles of carbon dioxide could be produced if 10 ...

Q: molar mass

A:

Q: What did Conner do to raise the pH of the pool? A) He added water to raise the pH. B) He added a bas...

A: ph of a base is high than the acid,if due to addition of a substance pH increases than it must be ba...

Q: 3.5 L reaction vessel containing a mixture of mercury (It) oxide, mercury, and oxygen at equilibrium...

A: Chemical equilibrium is defined  as the stage at which rate of forward reaction become equal to rate...

Q: 3. Two molecules, A and B, with concentrations of 1.00 mM are studied at a glassy carbon electrode a...

A: Given:    Molecule A Molecule B Concentration 1.00 mM 1.00 mM Scan Rate 100 mV/sec 100 mV/sec...

Q: Predict the major product formed when hexanoyl chloride is treated with LIAIH4 (excess), followed by...

A: Here hexanoyl chloride is reduce by LiAlH4, first formed aldehyde which is then react with further b...

Q: Arginine is an amino acid which has the following pKa values: pK1: 2.17, pK2: = 9.04, pKR = 12.48. C...

A: So, the net charge of arginine at pH = 4 will be +1.

Q: Chose all of the compounds that are aromatic? H H'OH HOH А В E O All of these compounds. O A, B and ...

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Q: PCIS(s) can be prepared by the reaction PCla(l) + Cl2(g) PCls(s). Calculate the enthalpy change (in ...

A: delta H is an extensive property....

Q: In the molecule caffeine, identify the hybridization states of all non-hydrogen atoms based on the g...

A: Hybridization is defined as mixing of orbitals having different energy so as to rehybridize to form ...

Q: 0.100 mol of AgCl(s) is added to 1.00 L of H20. Next, crystals of NaBr are added until 75.00% of the...

A: Answer is as follows hope it helps :

Q: Scientific Notation 1. (1.33 × 105) − (4.9 × 104) 2. (9.70 × 106) + (8.3 × 105) 3. (6.0 × 103) (1...

A: Re- write the number so that the two numbers have same exponent . Get the sum or difference of the c...

Q: A 0.3353 solid mixture containing CaSO4 is dissolved in water and treated with an excess of Ba(NO3)2...

A:

Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium b...

A: given :- mass of HBr = 4.9 g               mass of NaOH = 1.3 g  To calculate :- theoretical yield o...

Q: Nitrogen and water react to form nitrogen monoxide and hydrogen, like this: N2g) + 2 H,0(g) → 2 NO(g...

A: Calculate Kc of the given reaction----  

Q: Which molecules would you predict to be water-souluble and water insoluble and why

A: Water is a polar molecule having nonzero dipolemoment.

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.