Explain the Chemical Shift Values ?

Q: Figure shows key steps in the metal-catalyzed (M) hydrogenation of ethylene C₂H₄(g)+H₂(g) →C₂H₆(g):...

A: The adsorption of hydrogen gas, H­2, on the surface of metal takes place.

Q: When glucose is burned in a closed container, carbon dioxide gas and water are produced according to...

A: From above Balanced equation ,1 mol of glucose produce 6 mole of CO2 We have 1.50 kg of glucose .I.e...

Q: mixture of water and acetone at 756mm boils at 70.0c. the vapor pressure of acetone is 1.54 atm at 7...

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Q: Using periodic trends, rank Ba, Bi, and At in order of increasing atomic size.

A: Generally, when moving from left to right along a period atomic size gradually decreases with increa...

Q: How many moles of C atoms are in 1 mol of sucrose (C12H22O11)? (1 mol is an exact number.)     mol C...

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Q: Can someone help me answer this acid/base problem?

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Q: 29.60 grams of Ba(OH)2 are dissolved in enough water to prepare 250.0 ml of solution. How many milli...

A: Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as th...

Q: 1. What is the empirical formula of the unknown chemical using the data ? 2. What is the molecular...

A: Given : The compound contains only carbon, nitrogen and hydrogen. Mass of CO2 produced in the combus...

Q: The density of lithium is 0.530 g/cm^3 what is the volume occupied by 1.20 x 10^3 g oflithium?

A: Density = mass / volume  density of lithium is 0.530 g/cm3 0.530 g in 1 cm3    

Q: Can i get help on this problem please

A: since you have posted a question with multiple subparts, we are entitiled to answer only first 3 sub...

Q: Write the balanced NET ionic equation for the reaction when CaBr₂ and Na₃PO₄ are mixed in aqueous so...

A: Reaction between CaBr₂ and Na₃PO₄ given as, 3 CaBr2 + 2 Na3PO4 ---> 6 NaBr(aq) + Ca3(PO4)2 (s)   ...

Q: What products are obtained from the reaction of each of the following alkenes with OsO4 followed by ...

A: Given compounds,      

Q: If 10.0 grams of methane (CH4) are combusted and the percent yield of carbon dioxide is 92.0%, how m...

A: The combustion reaction of methane (CH4) can be expressed as,                                CH4  + ...

Q: What is the answer key to this?

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

Q: Criteria of conjugate acid base pair.please explain?

A: Given: Conjugate acid base pair.  

Q: Show how the acetoacetic ester synthesis can be used to prepare this ketone. Ph 4-Phenyl-2-butanone

A: 4-Phenyl-2-butanone: Its common name is benzylacetone. It is flowery in smell. It is prepared by th...

Q: You know that the air around you is full of nitrogen, yet your garden regularly shows signs that it ...

A:

Q: The atomic masses of hydrogen-2 (deuterium), helium-4, and lithium-6 are 2.014102 amu, 4.002602 amu,...

A: Atomic masses hydrogen, H = 2.014102 amu

Q: Draw the structural formula for each of the following:( In condensed formula and line angle) d. 3-pr...

A: Condensed formula: It is a way of representing the molecule in a simpler manner as bonds are not sho...

Q: An increase in the average kinetic energy of a sample of copper atoms occurs with an increase in

A: Interpretation: An increase in the average kinetic energy of a sample of copper atoms occurs with an...

Q: a) Are these molecules chiral? In a few sentences, explain your reasoning for your classification of...

A: Chiral carbon is carbon containing 4 different groups.  Molecules with no stereocenters are almost a...

Q: Name the coenzymes that provide a strong base.

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Q: write the correct formula for magnesium acetate

A: The formula of magnesium acetate has to be determined. Magnesium acetate is a magnesium salt of acet...

Q: 5-Bromouracil, a highly mutagenic compound (that is, a compound that causes changes in DNA), is used...

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Q: Please help me understand how to do this

A: Combustion is the process of burning, an organic compound on combustion gives carbon dioxide and wat...

Q: Using periodic trends, rank Ba, Bi, and At in order of increasing atomic size.

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Q: If the concentrations of products and reactants are equal, is the system at equilibrium?

A: Following are some of the important properties for the chemical reactions which display equilibrium:...

Q: Which of the following is an electrolyte?    PbCl2 H2S Ba3(PO4)2 Al(OH)3 AgNO3

A: An electrolyte is a substance that on dissolving in water dissociates into its constituting ions.The...

Q: Hydrogen iodide, HI, decomposes in the gas phase to produce hydrogen, H2, and iodine, I2. The value ...

A: Activation energy is the minimum energy required by the reactants to undergo collision and form the ...

Q: Describe the change in total solubility of a weak acid and weak base as the pH decreases below the p...

A: A weak acid will be more ionized (negatively charged) when the pH is above its pKa, whereas a weak b...

Q: A runner burns 2.56 x10^3 kJ during a five mile run how many nutritional calories did the runner bur...

A: Given : energy burned in KJ = 2.56 X 103 KJ   

Q: Please answer,

A: When we study the interaction of electromagnetic radiation with matter then this study is known as s...

Q: A 3.75-g sample of limestone (CaCO3) contains 1.80 g of oxygen and 0.450 g of carbon. What is the pe...

A: The mass percent (%mass) of an element in a molecule represents how much of the element (in gram) is...

Q: 4. Propose a synthetic strategy for the following transformations. Show only intermediate products t...

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Q: Draw the structure of an optically active triglyceride containing one equivalent of stearic acid and...

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

Q: A 232-lb fullback runs the 40-yd dash at a speed of 19.8 ±0.1 mi/h.(a) What is his de Broglie wavel...

A: Mass = 232 lb 1 lb = 0.454 Kg 232 lb = 0.454 Kg × 232 = 105.328 Kg

Q: Please answer,

A: Magnetic field is a vector quantity. It depends upon both magnitude and direction. On the applicatio...

Q: You have two objects made of the same substance. Object 1 is a cube with a mass of 375.5 g. You meas...

A:

Q: I am stuck! Can someone please help me answer this acid/base problem? (Screen Shot)

A: Acid and base: In an acid-base reaction, a species that donates proton is an acid while the species ...

Q: A thin-layer chromatography (TLC) experiment was run using three compounds: benzophenone, benzhydrol...

A: on doing A thin-layer chromatography (TLC) experiment was run using three compounds: benzophenone, b...

Q: what is the mass in grams fir the atoms within the unit cell of Tantalum with a z number of 2 and a ...

A: Density is defined as mass of a substance present in per unit volume. Density=Massvolume Given, atom...

Q: Which of the following pairs of atoms and ions are isoelectronic?    Li+, Rn    S2−, Cl− ...

A: Isoelectrons are atoms, molecules or ions that have same number of electrons in their shell or numbe...

Q: 4- The pressure is raised on a water sample at zero °C from zero to 900 mmHg, what is the variation ...

A: If we decrease the temperature of water up to 0° at this condition water can be solid or liquid depe...

Q: When a solution of PtCl2 reacts with the ligand trimethylphosphine,P(CH 3) 3, two compounds are prod...

A:

Q: 10. Which of the below compounds are protic solvents? II II Al N-d-N HO-O H OH HO N. H3C H. Ethaneni...

A: The medium in which the chemical reaction takes place is called as solvent. The solvents can either ...