Chemistry Question

Q: an empty The complete electron configuration of Mg is 1s 2s 2p 3s whereas the complete electron conf...

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Q: How do you determine the number of electrons that go into the Lewis structure of a molecule? A polya...

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Q: What is hydrogen bonding? How can you predict the presence of hydrogen bonding in a compound?

A: Hydrogen bond arises due to induced dipole moment in a molecule which occur under the presence of el...

Q: Examine the pictures of the thermometers. The image on the right displays how the thermometer ha the...

A: Generally thermometers are used to measure temperature.

Q: At 338 K, the reaction X(g) different mixtures at 338 K, with X orange and Y green. In which directi...

A: The Y/X ratio at equilibrium is 1.4. The given reaction is in forward direction when Y/X ratio is le...

Q: What is the formula for the ionic compound K+ and F−?

A: Step : 1           What is the formula for the ionic compound K+ and F−?  

Q: Using activities, calculate the pH and concentration of H in pure water containing 0.050 M LiBr at ...

A: Ionic strength will be calculated to calculate the activity of lithium bromide and we are given that...

Q: Calculate the molarity of a solution that was made with 0.65 mol of solid NaOH in water with a total...

A: Explanation Mixtures with identical composition are called homogeneous mixtures or solutions. Mixtur...

Q: 0.700 moles of an unknown solid is placed into water to make 150.0 mL of solution. The solution's te...

A: Mass of solution = density of solution X volume of solution                                = 1.02 g/...

Q: ) Show that the [6 + 2] cyclization of hexa-1,3,5-triene with maleic anhydride is thermally forbidde...

A: According to Frontier molecular orbital theory, the interaction between lower unoccupied orbitals an...

Q: if the pressure of a fixed volume of gas decreased in a sealed container what variable would you thi...

A: PV = nRT required ideal gas law

Q: NaBr H,0 solution Use these sketches to answer the questions in the table below. The enthalpy of sol...

A: Enthalpy : it is the thermodynamic property which tells us about the gain or loss of heat to the sys...

Q: At 500 K, the following concentrations were measured for the following reaction: 2NH3 (g) ⇌ N2 (g) ...

A: When the rate of backward reaction is equal to the rate of forward reaction, then the reaction is sa...

Q: Show another SN2 reaction using a different combination of an alkoxide and an alkyl bromide that als...

A: The different SN2 reaction that involves different combination of an alkoxide that is sodium butoxid...

Q: Classify the reaction below as decomposition, combination, single-displacement, double-displacement,...

A: Chemicals reactions are the reaction in which any chemical change occurs. They are represented by ch...

Q: What volume will 0.870 moles of He occupy at STP?

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Q: Name of this compound Show your all explanation

A: The first and the foremost step while naming the IUPAC name of an organic compound is the identifica...

Q: what is the outcome of the double replacement reaction of SrCl2 (aq) and NaOH (aq)? Group of answer ...

A:   A double displacement reaction is a type of reaction where a new compound is formed from the combi...

Q: How many grams of H are in 0.71g mol of allyl sulfide (C3H5)2S Express your answer to two significa...

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Q: iClicker Question: What is the formula for potassium carbonate? А. КСО, В. К.СО)2 C. K,CO3 D. КCO,

A: step 1)  valency of potassium = 1 charge on electron = -2 k = potassiumCO32- = Carbonate  

Q: Draw the structures  a. 5-isopropyl-3,3,4-trimethyloctane b. 4-t-butyl-2-methylheptane c. 3-ethyl-3-...

A:  

Q: For a reversible reaction, Kp = 23 and Q = 11.  Which statement does not accurately describe this re...

A: Given: For a reversible reaction, Kp = 23 Q = 11

Q: Choose the bomb below that has most polar H-I H-F H-Br H-Cl

A: We need to find out most polar bond:

Q: A student carries out the following experiments and records the following observations.  1.  A few d...

A: It is clear from the experiment that KOH(aq) when combines with Cu(NO3)2(aq), it gives blue gelatino...

Q: A particular medication contains 13.0 mg of drug per 5.00 mL. A patient was given 7.75 x 1012 microm...

A: 1012 cubic micrometer=1 mL Hence 7.75×1012 cubic micromerer is equals to 7.75 mL.  

Q: How many milliliters of 0.20 M HCl is required to neutralize 50.0 mL of 0.80 M NaOH?

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Q: if the pressure of a fixed volume of gas decreased in a sealed container what variable would you thi...

A: Ideal gases are hypothetical gases which do have real existence. A gas can behave ideally at low pre...

Q: Two compounds with general formulas AX and AX2 have Ksp = 1.5 * 10 - 5. Which of the two compounds h...

A: Ksp is the solubility product which is given by the multiplication of concentration of cation and an...

Q: Sea water contains 3.5% NaCl, by mass. (a) If the density of seawater is 1.02 g/mL, how many grams o...

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Q: A 5.00 mm cell was filled with a solution of a dye. The concentration of the dye was 18.5 mmol dm−3....

A: When a light is passed through a solution, some light is absorbed by the solution and some light is ...

Q: a mixture containing only water and salt must be boiled to seperate the salt from water true or fals...

A: Yes the above statement is TRUE. But the above boiling must be done in a distillation flask.

Q: vacuum filtration uses suction to speed up the filtration process?

A: In the preparation of the organic or inorganic compound, the compound formed is a precipitate. The p...

Q: The pK, of a typical ketone is 20, whereas the pK, of a typical ester is 25. Explain why. CH3 CH3 pk...

A: The pka of an acid is equal to the negative logarithm of its ka value. pka=-logka For a strong acid,...

Q: 2. For each of the following molecules, determine which are chiral and hich are achiral, and write t...

A: As you not specifiy so i am giving answer of fisrt 3 questions  R and S given by CIP rule  Chiral wh...

Q: Compare the electrostatic potential maps for methane, ammonia, and water. Which is the most polar mo...

A: The electrostatic potential maps for methane, ammonia and water are noted as shown below,

Q: Consider the combustion of carbon monoxide (CO) in oxygen gas: 2CO(g) + O2(g)  →  2CO2(g) Starting w...

A: Reaction: 2CO(g) + O2(g) -----> 2CO2(g) 2 moles of CO gives 2 moles of 2CO2 from the above balanc...

Q: are the units that comprise a molecular compoud charged?

A: Molecular compounds are made of molecules formed by atoms of two or more different elements. For exa...

Q: C6H10O5 Express your answer using four significant figures

A: Use formula = Mass of carbon×100/mass of compound  

Q: Which of the following are related to the boiling point of a compound U Crystal structure. Intermole...

A: Boiling point is temperature required to break the bond of molecule as room temperature So crystal s...

Q: Chemistry Question

A: Molarity is used to express the concentration of solution and it is the no of moles of solute per li...

Q: The water level of a graduated cylinder is initially at 16.94mL. After placing a metallic necklace i...

A: Given: Initial water level = 16.94 mL Final water level = 25.08 mL density of necklace's material = ...

Q: A cylindrical wooden rod measuring 24.0 cm in length and 2.16 cm in diameter, weighs 80.9 g. If the ...

A: Density is defined as the mass per unit volume. It is represented by rho . Its relation is as follow...

Q: A student carries out the following experiments and records the following observations.  1.  A few d...

A: Step 1)  1) When KOH is added to Cu(NO3)2 . a white solid substance formed which contains Cu2+ . the...

Q: iClicker Question: Which of the following compounds exhibits both ionic and covalent bonding? An lon...

A: Ionic bond form by complete transfer of electron and covalent bond form by sharing of elctron     Na...

Q: A student would like to calculate the density of a metallic solid. The solid was massed on a top-loa...

A: Given: mass of metallic solid = 30.51 g volume of metallic solid = volume of liquid displaces = 8.4 ...