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Q: Draw the synthesis of Ethyl Acetate from ethanol and show its arrow push mechanism.

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Q: mixtures =) Complete: A mixture is composed of substances which are not chemically combined. Mixture...

A: Let us define the mixture and then fill the blanks. 

Q: Classify these bonds as ionic, polar covalent, or nonpolar covalent. Ionic Polar covalent Nonpolar c...

A: Based on the difference in electronegativities of combining atoms, the bonds are classified as: i) I...

Q: The Henry’s law constant at 25°C for nitrogen dissolved in water is 8.57 × 104 atm, that for oxygen ...

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Q: rate constant

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Q: elect the phenomenon that is being described by each statement a. Breaking b. Agglomeration c. Coale...

A: 1. Which observes the clustering of individual dispersed droplets? - Answer - f. Aggregation   2. Wh...

Q: If a patient's blood pressure is 115 over 85 mmHg, what is it in atmospheres (atm)?

A: A numerical problem based on measurement, which is to be accomplished.

Q: . The most abundant form of carbon has an atomic mass number A = 12, and a molar mass of 12 g/mol.  ...

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Q: Is the total enthalpy (H) of the reactants more than or less than the total enthalpy of the products...

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Q: g. 2-pentanol h. benzene i. 2-butanol 2-cyano-2-pentanol benzyl alcohol 2-butanone-semicarbazone

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Q: Compare two electrons in a multi-electron atom: one is in a 3p orbital and the second is in a 3d orb...

A: The electron present near the nucleus experience more effective nuclear charge . Effective nuclear c...

Q: -1 °c, is put into a calorimeter (see sketch at right) A 59.0 g sample of quartz, which has a specif...

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Q: How many moles of Br2 are in one cubic meter (1.00 m3) of Br2 gas at STP?

A: First we consider that Br2 gas obey ideal gas equation :  PV = nRT  n = PV / RT  Where, n = number o...

Q: When aqueous solutions of HF and KOH are mixed, H20 and KF are formed. No precipitation is observed....

A: Write net ionic equation of the given statement of the reaction ---

Q: Br Answer Bank A strong MS peak at M-127 m/z and a weak peak at 127 M+2 peak ~1/3 the height of the ...

A: Given that : We have to match the given characterstic IR and MS trait to the given structures.  

Q: Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropria...

A: Acidic salts are those which on hydrolysis gives a strong acid and a weak base. Basic salts are thos...

Q: The combined gas law states that for a fixed amount of gas, the quantity PVIT is constant. This is o...

A: A gas is said to be ideal if it follows ideal gas equation PV = nRT 

Q: When aqueous solutions of HF and KOH are mixed, H20 and KF are formed. No precipitation is observed....

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Q: Calculate the molarity of each aqueous solution with the given amount of NaCI (molar mass 58.44 g/mo...

A: Given :  a. 47.0 g NaCl in 7.14 L  b. 65.4 g NaCl in 380. mL  c. 42.0 g NaCl in 930. mL  Molar mass ...

Q: For the electorn shell with the value n=3, what are the number of f orbitals?

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Q: The density of a gaseous compound was found to be 1.23 g/L at 330. K and 0.197 atm. What is the mola...

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Q: PH and pOH.

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Q: Solid ammonium chloride, NH, CI, is formed by the reaction of gaseous ammonia, NH, and hydrogen chlo...

A: The can be solved as follows

Q: Oil seeds containing 49% oil, 40% pulp, 3% mineral salts and the rest moisture are leached with hexa...

A: Solution -

Q: For the electorn shell with the value n=4, what are the number of d orbitals?

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Q: What kind of kinetic energy is most often produced from chemical energy in chemical reactions?

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Q: 1) ВН-THF 2) H-0г. NaOH 3) РСС, СH-Cla

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Q: OH Br CH3 CH3 CH CH3 aq. H2SO4. Br2 -or- CH3 CH3 H20 option #1 option #2

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Q: Given the hypothetical chemical reaction find the enthalphy change (kJ) in the reaction HD2 + 2B2U =...

A: We have given that  Given the hypothetical chemical reaction find the enthalphy change (kJ) in the r...

Q: chemical bonding

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Q: solution (100 mL) containing 325 ppm K+ is analyzed by precipitating it as the tetraphenyl borate, K...

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Q: How many grams of dextrose are needed to supply 800 kcal? Round to the nearest whole number.

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Q: Explain with the use balanced net ionic equations, how the phosphate buffer resisted a drastic chang...

A: It is well known that the primary use of buffer is to minimize the probable pH change occuring in th...

Q: What ratio of NaCN to HCN is needed to prepare a pH 9.90 buffer? (Ka of HCN is 4.9 × 10-10)

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Q: Activity 3 Perform the needed calculations for these problems. Show your complete calculations in a ...

A: a) Given,

Q: What is the energy of a photon that has a wavelength corresponding to the peak in the figure? Planck...

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Q: a. [TiCl(Cp)2(CN)] and [TiCl(Cp)2(NH3)]Cl  b. [IrMe(PMe3)4] and [Ir(C≡C-Ph)(PMe3)4]

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Q: Suppose you mixed/combined calcium oxide and water. How will you be able to separate it afterwards?

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Q: As a technician in a large pharmaceutical research firm, you need to produce 450. mL of 1.00 mol L p...

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Q: The standard enthalpy of vaporization (H°vap) of acetone ((CH3)2CO) is 32.0 kJ/mol. The normal boili...

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Q: Using only concentrated HCI, show the mechanism for the reaction shown below. OH HCI CI

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Q: OH OH Br CH;- CH-CH,CH3 CHH— CH — СООН CICH— CH — СH,

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Q: please find the compound corresponding to this IR. If possible, please label the functional groups.

A: It is very difficult to predict exact compound from just the IR spectra. From IR spectra functional ...

Q: thermon A 59.5 g sample of polystyrene is put into a calorimeter (see sketch at right) that contains...

A: Given mass of water = 250 g mass of polystyrene = 59.5 g Temperature of water = 25°C Temperature of ...

Q: What is the maximum amount of work that is possible for an electrochemical cell where E = 1.05 V and...

A: Given that : Cell potential (E) = 1.05 V Number of moles of electrons exchanged (n) = 2 Faraday's co...

Q: In a reversed phase liquid chromatography separation, what trend in k’ (capacity factor), α (selecti...

A: The effect of solvent system on the capacity factor, selectivity and resolution in reverse phase chr...

Q: Consider the following unbalanced equation. How many molecules of hydrogen will be required to produ...

A: The given unbalanced equation is as follows,H2+O2→H2ONumber of moles of water produced =1.60 molwe a...

Q: What is the chemical structure of Soap and Shampoo? They have different ingrediants so are they Diff...

A: We have to draw the chemical structure of Soap and Shampoo and also discuss the different ingredient...

Q: What is the [OH⁻] in an oven-cleaning solution if the pH is 12.35? A) 0.45 M B) 1.65 M C) 0.022 M D)...

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Q: Metals lose electrons under certain conditions to attain a noble gas electron configuration. How man...

A: Given :-  Symbol of element = Li  To determine :  The number of electrons that Li lose to attain nob...

Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.