INSTRUCTION: Fill in the table with what is asked. Refer to your periodic table to answer the following. Atomic mass Element 1. Fe 2. Ca 3. Xe Atomic no. D+ no C

Q: A solution contains 2.60 moles of heptane and 5.50 moles of octane. What is the mole fraction of…

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Q: 1.2-gg sample of carbon dioxide (CO2CO2) is fully decomposed into its elements, yielding 0.314 gg of…

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Q: Consider the following: CH3CH₂CH=CHCH₂CH3 1 CH3CH=CHCH₂CH₂CH3 ||| II and III OI and III OII and IV…

A: We have to find the structures that represent the same compound.

Q: The solubility product constant for Ni₂P₂O7 is 1.7 x 10-13. Calculate Eº for the process 4- Ni₂P₂07…

A: The balanced equation for the dissociation of Ni2P2O7(s) is: Ni2P2O7(s) ⇔ 2Ni2+(aq) + P2O72-(aq) ;…

Q: (a) Atoms are very small compared to objects on the macroscopic scale. The radius of a aluminum atom…

A: All the informations are given for the aluminium atom.  We know the conversions  1pm = 10-12  m 1pm…

Q: methanol is less polar than  water, but it is more polar than the C-18 molecule, a completely…

A: Solution: We know that polarity of any compound depends upon the resultant dipole moment. However…

Q: By definition, atoms are electrically neutral.  Is it possible for atoms of two different elements…

A: Atom consist of protons, neutrons and electrons.Protons and neutrons are present in nucleus of an…

Q: An unknown substance shows a molecular ion peak at m/z = 170 with a relative intensity of 100. The M…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Temperature 298 K Initial Concentration 1.00 mol/L React Clear Click above or below the line for B…

A: We can get  the idea about  the order of reaction by looking at the nature of graph between…

Q: Compound A, I would like to ask about the 180° turn in upper C -CH₂CH₂. -OH and -H rotate 90°…

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Q: For b) A increase in entropy the order should be: 4A(l)-->4A(g) since an increase in entropy means…

A: Entropy : Entropy is the measure of randomness of the system. More the randomness, more is the…

Q: The problem solved above needs some clarification In step 3  the phosphoric acid molarity is 0.0025…

A: Answer: This question is based on the fundamental understanding of concentration terms. Relation…

Q: A strand of spider's silk has a diameter of 3.50 micrometers How wide is the spider's silk in…

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Q: 2. An archaeologist uncovers a wooden object at an archaeological site. The object is found to have…

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Q: A solution contains 2.60 moles of heptane and 5.50 moles of octane. What is the mole fraction of…

A: To find out the mole fraction of heptane in octane vapor, first calculate total number of moles and…

Q: 2300 + 146.11 significant figures express your answer with the appropriate number of sig figs

A: A significant figure is defined as the digit which denotes the least number of digits that can be…

Q: where did you get the 22/7?

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Q: for an oral suspension calls for 240mL to be dispensec prescription iption recipe for the suspension…

A: GIVEN TamilfluR 75 mg capsule will have weight contain 75 mg of TamifluR In the prescription…

Q: How many mols of CO₂ are in the container

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Q: g) H + CH3OH

A: synthesis of ethers from haloalkanes

Q: The compound cyclopentanone has the molecular formula C,H,O. The ¹3C-NMR spectrum has three distinct…

A: Cyclopentanone is a cyclic ketone with the formula C5H8O.  The structure is shown below:

Q: A hot air balloon's gondola is suspended below a cloth envelope containing 4.213 x 10 liters of hot…

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Q: What is the geometry of the N in the fo N O tetrahedral O linear Otrigonal pyramidal bent trigonal…

A: By using VSEPR theory.  Steric number (which represent hybridization) is the combination of bond…

Q: Which human error would contribute to an incorrect volume measurement? measuring to an additional…

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Q: Write a word equation to illustrate and trace the reaction that occurs when starch is completely…

A: The starch is a polymer of glucose . It will be hydrolyzed as

Q: Is flavopiridol a natural product?

A: Favopiridol is a type of cyclin-dependent kinase (CDK) inhibitor. It is used in the study and…

Q: The values of the rate constant for the reaction 2 N₂O5(g) - 4 NO2(g) + O2(g) were determined at…

A: Concept based on the activation energy.

Q: b Success Confirmation of Questio X C Circle every active position and i = с ONDERRIGTOETS 1…

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Q: it the no -life time for a reaction is 36 minutes when the initial concentration of the reactar 0.30…

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Q: CHALLENGE PROBLEM: Unfortunately, right before the trip you come down with a case of the…

A: Given, Person's body weight = 128 lbs Eyedropper intake = 10 drops per 15 lb body

Q: Chemistry You have a monoprotic acid form of a buffer & do not have the conjugate base(salt)…

A: Total volume of the buffer solution required, V = 1 L  Total concentration of the buffer solution…

Q: Calculate the freezing point and boiling point of an antifreeze solution that is 48.6% by mass…

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Q: Marie Curie was a Polish scientist that specialized in chemistry and physics. She wanted to…

A: Marie Curie  Marie Curie is renowned for discovering radium and polonium, as well as for making a…

Q: What is the correct IUPAC name for the compound shown here? H CH3 H CH-CH3 CH3

A: At double bond if same groups lies on same side of the double bond it is cis-isomer and if same…

Q: 3. Thorium-232 has a radioactive decay series that ultimately produces lead-208. What is the…

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Q: Americium-241 is widely used in smoke detectors. Calculate the amount of americium-241 consumed in a…

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Q: WRITE THE STRUCTURAL FORMULA OF THE FOLLOWING: (NOT SKELETAL FORMULA) 5- Ethyldecane 2-…

A: Answer: Structural formula is the representation of all the atoms present in the molecule at their…

Q: significant

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Q: ne correct net ionic equation for the reaction between aquec + NO3(aq) KNO3(s) (aq) + PO32 (aq) →…

A: The chemical reaction is 3Cu(NO3)2 (aq.) + 2K3PO4(aq.) ---> 6KNO3(aq.) + Cu3(PO4)2(s)

Q: F. If 100 mL of a 0.150 M solution of aqueous methylamine (CH3NH₂) was shaken in a separating funnel…

A: The distribution coefficient is the ratio of concentration of methylamine in the organic layer and…

Q: WRITE THE IUPAC NAME OF THE FOLLOWING:

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: Which of the following are enatiomers? НО н НО н НО НО НО н CHO -Н CHO ОН н -ОН CH2OH н -Н н -ОН…

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Q: What of these, if any, is/are a correct representation(s) of a number in scientific notation? Sele…

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Q: 5. c) Assign absolute configurations to the chirality centres in the following molecules: b) H₂C=…

A: Absolute configuration of compounds as per CIP rule (Chiral center has been marked with a red * in…

Q: 1- The value of the chemical displacement of the axial proton in cyclohexane is less than the…

A: The chemical shift for axial and equitorial protons in cyclohexane system is different.

Q: Starting with the following equation, Fe₃O₄(s) + CO(g) → Fe(l) + CO₂(g) calculate the mass in grams…

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Q: 7. Identify the frontier orbitals Mg atom in its ground state.

A: The orbitals which are taking participate in transition are called frontier orbitals , these are…

Q: 7. Calculate the pH of a buffer solution consisting of 0.50 M HClO (Ka = 2.9.10 ) and 0.60 M NaClO.…

A: Here we are required to find the pH of the solution

Q: # 65 of 214 A2 equivalence 25.00 mL of a solution containing 0.1333 M ammonia (K = 1.76 x 10-5) is…

A: Concept based on buffer solutions.

Q: What are the principles of the art explain each (150 words)

A: Principle of Art The vocabulary we employ to discuss art is built on the aspects and tenets of both…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.