The negative ion mode electrospray ionization (ESI) mass spectrum of an oligonucleotide shows peaks at the following m/z ratios: 2903.8 (40%), 2580.9 (67%) , 2323.7 ( 100 % ) , 2111.4 (71%), and 1935.7 (38%). What is the molecular weight of this molecule? Please show your calculations and use all peaks to determine significant figures

Q: What is the molcecular formula and systematic name of the given structure? C19H21, 2-ethyl-2,3,3-tri...

A:

Q: ercury and oxygen react to form mercury(II) oxide, like this: 2 Hg(1)+O2(g)→2 HgO(s) a certain tempe...

A: Given :-  The volume of reaction vessel is: 10 L The amount of mercury present at equilibrium is: 12...

Q: 3. At 900 °C, titanium tetrachloride vapor reacts with molten magnesium metal to form solid titanium...

A: Answer 3 :  Titanium tetrachloride react with magnesium & form magnesium metal and magnesium chl...

Q: give the iupac name for each Alkane compound

A:

Q: Carl, a laboratory analyst for a mining company determined that copper is 3.21% of the ore that he i...

A: The percent of copper in the ore is 3.21%.

Q: Describe how energy affects solution formation

A: To make a solution we need solute and solvent. Solute is present in less quantity as compared to sol...

Q: What is the wavelength (in nm) of a photon if the energy is 7.27 x 10- 19 J? (h = 6.626 x 10 34 J• s...

A: Given :- energy of a photon = 7.27 × 10-19 J  h = 6.626 × 10-34 J.s  To calculate :-  wavelength of ...

Q: Broadening of Concept: 1. How partial pressure is determined in a mixture of gasses? 2. What will ha...

A: 1. How partial pressure is determined in a mixture of gasses? 2. What will happen to a gas when pres...

Q: Write the IUPAC names of the following organic compounds if given the structure. Draw the organic co...

A:

Q: A metal salt with the formula MC12 crystallizes from water to form a solid with the composition MCI2...

A:

Q: Refer to the attached slide on "Identifying Oxidizing and Reducing Agents" 1. For each of the follow...

A: We have been asked to find the oxidation state of each element of reactants and products along with ...

Q: You have a stock solution of 14.8 MM NH3NH3. How many milliliters of this solution should you dilute...

A:

Q: Write the concentration equilibrium constant expression for this reaction. CH;CO,C,H;(aq)+H,O(1)→CH;...

A:

Q: N2 H2 initial rate of reaction 0.276M 2.14M 45.0M/s 0.276M 2.54M 63.4M/s 0.0491M 2.14M 1.42 M/s Use ...

A:

Q: Absorption What type of transition is induced by the electromagnetic radiation mostly absorbed by th...

A: A question based on UV-visible spectrum that is to be accomplished.

Q: COMPLETE BALANCED CHEMICAL EQUATION

A: This is a multipart questions.According to guidelines We can solve only two parts of starting in mul...

Q: Write the IUPAC names of the following organic compounds if given the structure. Draw the organic co...

A:

Q: At a certain temperature the rate of this reaction is first order in HI with a rate constant of 7.09...

A:

Q: How many liters are needed to make a 4.8M solution of KBr if 4 mole of KBr are available for use?

A:

Q: At a certain temperature, the equilibrium constant K for the following reaction is 0.0025: Cl(g) + C...

A: Using equilibrium constant of reaction we can tell the products or reactants dominant at equilibrium...

Q: Give the name of the structure shown O 1,2-dichlorobenzene o-dichlorobenzene O both names are correc...

A: Nomenclature of substituted benzene: 1) naming is done by placing the substituent as a prefix to the...

Q: Give the relationship between pairs A and C below. The possible relationship are: "same compound", "...

A: A. Both the structures are "constitutional isomers" as both have same no. of carbon atoms i.e. have ...

Q: What is the molar mass for calcium chloride dihydrate? What is the molar mass of calcium oxalate mon...

A: We have to calculate the molar mass of the given compounds. The given compounds are Calcium chlorid...

Q: Complete and balance the following half-reactions. In each case, indicate whether the half-reaction ...

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

Q: What is the concentration in ppm of selenium if 0.020 g is found in 5.0 × 103 kg of soil?

A:

Q: Determine the rate law and the value of k for the following reaction using the data provided: NO2(g)...

A:

Q: Given the values of K shown below:  ½ N2 +   ½ O2(g) ⇌  NO(g)         K = 0.0788  NO(g) + ½ Cl2(g) ...

A:

Q: what is the purpose of the water trap that is connected in the condenser in the set up shown below

A:

Q: What is the product of the CNO cycle? What do you think it is called CNO cycle?

A: CNO cycle It is known as the carbon, nitrogen and oxygen cycle.

Q: You use 500.0g of a solid to prepare a solution that has a concentration of 7.40% by mass. What is t...

A: Given: Mass of solid solvent = 500.0 g. Concentration of solid in %(m/m) = 7.40 %  

Q: Write the IUPAC names of the following organic compounds if given the structure. Draw the organic co...

A: IUPAC nomenclature is used for naming the organic compound as recommended by international union of ...

Q: 3 ) CH3), CHOCOCHb 6) CH, CH,CN (i) CH3CH2)2 NH HO

A:

Q: 2. Indicate whether the following balanced equations involve oxidation-reduction. If they do, identi...

A:

Q: You dilute 6.50mL of a 0.987 M solution to a final volume of 50.00mL. Then, you take 25.00 mL of tha...

A:

Q: Draw the structure of the molecule with the following molecular formula, C3H7CIO, and 'H NMR spectra...

A: Given molecular formula is C3H7ClO 1) Degree of Unsaturation / Double bond equivalent = 2 × C + 2 - ...

Q: 4.00g of NaCl is added to 1.00L of water. The density of the water is 0.998g/mL. The relevant consta...

A:

Q: Suppose a 500. mL flask is filled with 0.90 mol of NO, and 1.8 mol of NO,. The following reaction be...

A:

Q: Using the reaction mechanism, and the accompaning diagram shown below, answer the following. a) Whic...

A: The slowest step in the reaction mechanism is the rate determining step.  Enthalpy change of a react...

Q: a) Draw the resonating structures of the following compounds.: CI NEN NH2 A B

A:

Q: Give pictures or illustrations on how chemistry is used or applied in the following categories: -Agr...

A: Answer - chemistry in agriculture - Agricultural chemistry is the study of chemistry, especially org...

Q: a) What is the {H*} activity if the pH measured in the lab with a pH meter is 12 (in DecExp)? (5 sec...

A:

Q: Rank the following in order of least-to-most acidic: A В C Br HO. HO. HO, но.

A:

Q: fenojoroter CAntiartritic Agent) CH CH3 CHs HO CH NH NHz C=0 OH Amo xicillin (Anti biotic)

A: We have to tell the overlapping orbitals involved in the formation of each bond. 9: σ bond formed by...

Q: Q. A 12.5% (w/w) NICI2 (129.6l g/mol) solution has a density of 1.149 g/mL. Calgulate(a) the molar c...

A:

Q: Explain three characteristic features for Zieglar Natta polymerization in clear handwriting?

A:

Q: Three trials for this experiment had been conducted and the following are the masses of limiting rea...

A: Solution -

Q: Rank the four groups (a-d) from highest to lowest priority using Cahn-Ingold-Prelog rules. a b -F H....

A:

Q: What is the freezing point depression of a 1.50 m solution of sucrose in water? No need to include t...

A: Given :- molality of sucrose solution = 1.50 m  To be calculated :- freezing point depression

Q: (5) CHy CH --OH (k) CH 3 CH, NHCH, CH, a) CH,- CH2

A: The given organic entities exclusively consist of C, H and hetero atoms mainly oxygen and nitrogen. 

Q: Column resolution is an indicator to identify the selectivities and efficiencies of the column abili...

A: Coloumn resolution is an indicator to identify selectivities and efficiencies of coloumn ability to ...