2 a and b

Q: 3. A 1.25-g sample of ammonium nitrate dissolves in water to make 35.0 mL of solution in an insulate...

A: Given,  Mass of NH4NO3 = 1.25 g  Volume of the solution = 35.0 mL  Initial temperature= Ti = 24.6 0C...

Q: Compounds A and B are soluble in water and ether as shown: Solvent Compound A Compound B Water 10 g...

A:  

Q: A 33.8 mL sample of a 0.400 M solution of NaCN is titrated by 0.160 M HCI. Kb for CN is 2.0 x 10-. C...

A:

Q: 3. If you hold 3 grams of ice in your hand at room temperature, your hand will become cold. a) Is th...

A:

Q: In Įmass spectrometry, hogh energy protons is use to bombard the molecule so that it will break down...

A: We need to tell if the given statement is true or false

Q: sample of gas (24.2 g) initially at 4.00 atm was compressed from 8.00 L to 2.00 L at constant temper...

A: Given ->  Weight = 24.6 gm Initial pressure (P1) = 4.00 atm Initial volume (V1) = 8.00 L Final vo...

Q: Consider the following reaction equation of combustion of glucose, C6H12O6: a. Calculate the enthalp...

A: Mass of Glucose = 5.25 g C6H12O6 (s) + 6O2(g) ------> 6CO2(g) + 6H2O(g)

Q: Arrange the following steps according to the order of process in Mass spectrometry ...

A:

Q: container has O2 at 5 atm and molar volume 2 liter/mole, if a = 9.24 atm(liter/mole), b = 0.0907 lit...

A: Given,  P = 5 atm a = 9.24  b = 0.0907 V/n = 2 L/mol Using vande waals equation,  (P + a/v2) (V - b)...

Q: What products would you expect to obtain from the oxidation of the following alcohols with CrO3? a....

A: CrO3 is used in an organic reaction for the oxidation of primary and secondary alcohols to carboxyli...

Q: In an aldol condensation reaction, what is the difference if we use an ethanolic or aqueous NaOH sol...

A:

Q: How much volume of ethanol to be used in each of the following situations: (Ethanol, 99.0 % v/v C2H5...

A: Percentage purity of ethanol = 99.0 % Density of ethanol = 0.789 g/mL                               ...

Q: pler 14 - Kinetics Exercise 14.40 - Enhanced - with Feedback I Review | Constant MISSED THIS? Watch ...

A:

Q: How many atoms of sodium are in three moles Na2S?

A: Number of moles of Na2S = 3 mol  

Q: Question Any material listed in the cell notation that is not specifically oxidized or reduced is mo...

A: Oxidation is process that involve loss of electrons and reduction is a process that involve gain of ...

Q: A mixture of three components is separated using paper chromatography, and each component is analyze...

A: Given: Absorbance of standard solution- Compound A = 0.72 Compound B = 0.55 Compound C = 0.80 For un...

Q: Statement 1: To extract a strong organic acid, a strong base like 10% NaOH is used. Statement 2: To ...

A: To select the correct response.

Q: Concentration of diluted aspirin solution (M2). Show Mbn calculations below using equation from Beer...

A: As per the given equation from the graph we have y = 300.93x - 0.0388 where y = Absorbance x = Conce...

Q: An Erlenmeyer flask contains 41.40 mL of a hydrochloric acid. The solution is titrated and reaches a...

A: At equivalence point,  Product of concentration and volume of acid and base is equal.

Q: How many bottles of a 1.5 liters coke will you need to fill an entire 5.0 gallons empty water jug?

A:

Q: The rock that consist of one mineral called mineraloids. * True O False The earth's crust divided in...

A: Mineraloids are naturally occurring solids that are not crystalline in nature. They may look like a ...

Q: The concentration and absorbance data below were collected for compound X. A sample of compound X of...

A: The concentration and absorbance data below were collected for compound X. A sample of compound X of...

Q: Question: an ocean body on Utopia, the activity of Yr2* = 104 and the activity of aqueous carbonate ...

A: Given:

Q: Convert the values of K to values of Kp or the values of Kp to values of K. a. N2(g) + 3 H2(g) 2 2 N...

A:

Q: How many isomers would you expect for each of 1-chloro-2-hydroxycyclohexane, 1- chloro-3-bromocycloh...

A:

Q: If the following enthalpies are known: A+ 2 B- +2C + Donding AH = - 95KJ B+X C AH = + 50kJ %3D What ...

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the ...

Q: 1.1 equivalent of NaNH2 2. CH3CH,CH,CH,Br 3. H2, Lindlar's catalyst 4. Br2

A: Terminal Alkyne has acidic hydrogen which can abstracted by strong base like NaNH2 and form nucleoph...

Q: Give the direction of spontaneity of the pairs A. Sn with Cd+2, B. Sn+2 with Cd, C. Cd+2 with H+ Giv...

A: Answer: Spontaneity of the reaction can be decided on the basis of cell potential. if the value of c...

Q: 1. For AAS analyses, the following are atomization techniques except- A. Hydride atomization B. Che...

A: Atomic absorption spectrometry (AAS) is a technique in which free gaseous absorb electromagnetic rad...

Q: obtain the synthesis of the following compounds starting from a benzene 04 HOC

A:

Q: 9. Phosphorus reacts with oxygen gas to produce tetraphosphorus decoxide. 4 Po + 5 0g) P,O106) (s) I...

A:

Q: Why do five grams of powdered iron react faster than a one-gram piece of solid iron?

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

Q: Statement 1: TLC is considered more convenient and efficient than paper chromatography. Statement 2:...

A: Thin layer chromatography is chromatography in which glass plate is used and it is also known as TLC...

Q: For a 0.00554 mol sample of H2 and a 0.00912 mol sample of N2, total pressure is 23.44 torr. What is...

A: Given, moles of H2 = 0.00554 moles Moles of N2 = 0.00912 moles Total pressure, pT = 23.44 torr

Q: For the reaction A +2 B→ C under a given set of conditions, the initial rate is 0.130 M/s. Part A Wh...

A:

Q: A weak base, B, has a Kp value of 5.3 x 10-4. What is the hydroxide ion concentration in a 0.050 M s...

A: Given-> Kb = 5.3 × 10^-4  Concentration = 0.050 M  

Q: what are there molar mass? K3[Fe(CN)6] and K4[Fe(CN)6]

A:

Q: A solution of oxalic acid is used to titrate 17.11 mL of a 0.5003 molar: sodium hydroxide. If the ti...

A:

Q: To perform extraction: Statement 1: Fill the separatory funnel less than half-full with the solution...

A: We always fill the separatory funnel less than half- full with the solution to be extracted to allow...

Q: Rate constants for the first-order decomposition of acetonedicarboxylic acid CO(CH2COOH)2(aq) → CO(...

A: CO(CH2COOH)2(aq) → CO(CH3)2(aq) + 2 CO2(g) k = 4.75 ×10–4 s–1 at 293 K k = 1.63 ×10–3 at 303 K.

Q: In a presence of a base, which of the following will not form an enolate? A) B) OEt OEt OEt C) D) OE...

A: When carbonyl compounds are treated with a strong base, the alpha position of carbonyl carbon gets d...

Q: 1. A student accidentally mixes 15 ml of 0.250 M AgNO3(aq) with 25 ml of 0.300 M LiBr(ag). Determine...

A:

Q: Dinitrogen trioxide, N2O3(g) decomposes to NU(g) and NO2(g) TH an 10.5 kJ.mol-) that comes to equili...

A: N2O3(g) --> NO(g) + NO2(g).     ∆H = 40.5 KJ.mole^-1    

Q: The following are the goal of chemical spearation process, EXCEPT?      isolation of the analyte ...

A: Goal of chemical seperation process:

Q: Fill in the blanks: The two processes involved during distillation are and

A: Distillation is the process in which any liquid is firstly converted into vapour and then that vapou...

Q: At 1.00 atm and 298.15 K, a solid substance with a molar volume of 100.15 cm3/mol with melting tempe...

A:     At 1.00 atm a solid substance with molar volume 100.15 cm3 / mol at it's melting temperature of ...

Q: at is the retention factor of a sample when after injection the void time (tM) took 4.73 sec? The re...

A: Question 16 What is the retention factor of a sample when after injection the void time (tm) took 4....

Q: The pOH of a basic solution is 5.63. What is [OH⁻]?

A:

Q: Find the M, m, and N when 5.40 grams of (NH4)2SO4 is dissolved in 950.0mL of water.

A: Given:-  Mass of (NH4)2SO4 is 5.40g Volume of water is 950.0mL We have to calculate M,m and N

Q: In the filtration step, the product is washed with "two 4 ml portions of ice-cold water". Explain wh...

A: Filtration is a type of physical separation method. In this method usually solids are separated from...

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.