1?2 2?1 ; noble gas shorthand 1?2 2?2 2?6 3?2; noble gas shorthand 1?2 2?2 2?6 3?2 3?5; noble gas shorthand

Q: why is it difficult to find the Ksp value for Mg(OH)2 during titration, compared to Ca(OH)

A: The bond between Mg2+ and OH- is strong compared to Ca2+ and OH-, so dissociation of Mg(OH)2 is slow…

Q: An ice freezer behind a restaurant has a freon leak, releasing 30.68 g of C₂H₂F₂Cl into the air…

A:

Q: The vapor pressure of water in a 1.00 mol/kg aqueous solution of urea at 20 degrees Celsius is 2.29…

A: This is a problem based on relative lowering of vapour pressure. The solution is given below.

Q: Ethylene Glycol C₂H₆O₂ (62g/mole) is an organic compound, mainly used for two purposes, a material…

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Q: Question For the following reactions scheme: A B C(g) [D] (a) Draw the structure of compounds A, B,…

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Q: How many total atoms are in 0.870 g of P,0,?

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Q: What is the formal charge on the oxygen and nitrogen?

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: Ammonium carbamate, NH4OCONH2, decomposes to produce ammonia and carbon dioxide. At 31.00 °C the…

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Q: Draw the bond line formula for 2,5 dimethyl-5-(1-methylethyl)dodecane

A: Bond-line formula : It is a representation of molecular structure in which covalent bonds are…

Q: A d orbital essentially resembles: four p orbitals within the same atom two forbitals within the…

A: There are various orbitals such as p p orbital, s orbital, d orbital.s orbital is spherical in…

Q: 8. A solution is prepared by dissolving 1.23 g of 2-nitrophenol (FW 139.11) in 0.250 L (pK₂ of…

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Q: Fill in the blanks: Identify the oxidizing and reducing agent of the given equation: Answers should…

A: Oxidizing agent is the substance that gains electrons as a result of which its oxidation state…

Q: 23. Which of the van der Waals interactions provides the strongest bonding? a. lonic Bond b. London…

A: Vander Waals force of interaction are due to dispersion of electron cloud.

Q: hy is it inappropriate to report yields with decimal-place accuracy (as opposed to whole numbers)?

A: Percent Yield of a reaction is always rounded of as a whole number and not with decimal place their…

Q: BDE-47 is a flame retardant that was, until fairly recently, used in electronics and furniture. It…

A: 1 ppb = 1 μg/L Henry's law is  KH = partial pressureconcentration

Q: The electron microscope uses the wave property of electrons to observe very small objects. A moving…

A: Kinetic energy = h22λ2m where wavelength = λ  mass of electron = m Plank's constant = h

Q: The following Lewis diagram represents the valence electron configuration of a main-group element.…

A: we have examine the given Lewis electron dot structure and fill the missing blanks

Q: Write the overall chemical equation, the complete ionic equation, and the net ionic equation for the…

A: Given, Reaction of aqueous silver fluoride with aqueous sodium phosphate to give solid silver…

Q: se the Solubility rules to determine if : NaCl will react with MgBr KOH will react with NaCl MgS…

A: Reaction occurs when reaction leads to produce a solid precipitate of product which have low…

Q: An oceanographer creates a model of a wave tank with a sand table to simulate beach erosion. What…

A: Here, the oceanographer creates the model to simulate beach erosion.

Q: 16. 18A HO F F OH A and B are the same molecules A and B are different molecules

A: Note: According to our guidelines we are supposed to answer only one question.  Kindly repost other…

Q: Starting from the Newman projection below, rotate the back carbon to provide the structure in an…

A: The isomers that are converted into each other by rotation around a single bond are known as…

Q: 7. a. If the pH of 0.10 M ethylamine is 11.82, find K, for ethylamine. b. Using the above result,…

A: Given data : pH = 11.82 Concentration of ethylamine = 0.10 M

Q: Describe the basic principle employed to preserve food; you may mention chemical processes, unit…

A: Here, I am giving the first three answers. Food preservation: Food must be preserved chemically to…

Q: A balance measures mass to the nearest 0.001 gram. If you determine the mass of an object that…

A: Significant figures are used to define the number which is presented in the form of digits.  We can…

Q: Below is the structure of Taxol, a drug used to treat cancer. Each oxygen atom has four unshared…

A: we have to predict the hybridization, electron geometry and bond angle for the indicated atoms in…

Q: What type of strain is present in this. H3C. H H H CH₂CH3

A: Given is newmann projection pentane molecule. This is staggered antiperiplanar conformation. There…

Q: Cl₂ → CIO, alanced half-reaction is Cl₂ +3H₂O → CIO," +6H* +5e Cl₂ +3H₂0→2C1O; +6H* + 4e¯ Cl₂ +…

A: Electrochemistry is a branch of chemistry in which both oxidation and reduction reaction occurs…

Q: 71 K and D) have been discovered. These new elements undergo chemical reactions like the one shown…

A: Given following unbalanced Chemical equation -  T8(s) + D2(g) -----> T2D(g)    Here the number of…

Q: 3A2B Reaction of the second order it = [A] 2 15 8 5 10 6 4 Compute t1/2 k / 20 10 k, and t at…

A: A question based on kinetics of reactions in solution that is to be accomplished.

Q: 4. Draw 10 constitutional isomers for the following molecule. C6H12 alken

A: Constitutional isomerism :-  Molecules having the same molecular formula but different mode of…

Q: Starting from the Newman projection below, rotate the back carbon to provide the structure in a…

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Q: 1. Write the formula, complete ionic, and net ionic equations involved in the reaction. Formula…

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Q: IV. With a pKa of 1.2, squaric acid (shown below) is unusually acidic for a compound containing only…

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Q: The classical electron structure model is also known as: O the Bohr model O the uncertainty…

A: Atoms, which make up matter, are composed of particles. Protons, neutrons, and electrons are among…

Q: A solution contains a mixture of pentane and hexane at room temperature. Its vapor pressure is…

A: Answer: This question is based on Raoult's law according to which vapor pressure of system…

Q: Please show how to calculate the J values for the proton NMR data provided.

A: In the given question we have to calculate the coupling constant (J value) of the following NMR…

Q: Is trying to discover information about an unknown metal in a compound. The formula for the compound…

A: Mass of XBr3 sample= 4.723 g Moles of Br = 5.313× 10 -2 mol

Q: The density of a solution of sodium chloride is 1.0819 g/cc, and it is 11.50 percent by mass. What…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: Give the IUPAC name of the following compounds a) Na₂S b) ZnCl₂ c) Ba(NO3)2 d) Fe2O3 e) CO

A: IUPAC name of the following inorganic chemicals.

Q: Assume that all solutions were prepared at 25 degrees celcius and the solutes are conpletely…

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Q: What is the equivalent of 365.2 mi/hr2 to m/s2?

A: We have given 365.2 mi/hr2. We have to convert units from miles per square hour to metre per square…

Q: Derive the coefficients of thermal expansion, alpha (a), and coefficient of compression, beta (B),…

A: Alpha and beta can be calculated by considering ideal gas equation for one mole. Note: here given…

Q: Create a model that explains a nuclear reaction within the context of its application :  Nuclear…

A: Here, I answer the first 3 question . Nuclear reaction: When one kind of nuclei reacts with another…

Q: Calculate the difference in molar entropy (a) between liquid water and ice at -5 °C, (b) between…

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Q: How do I calculate the mass of 6.20 x 10^22 tungsten atoms?

A: Given : Number of tungsten atoms = 6.20 x 10^22  Molar mass of tungsten = 183.84 g/mol

Q: But why? what's the reason?

A: Here, the given properties are boiling point, freezing point, and vapor pressure. Concept: We have…

Q: Is it possible to have a cluster of paper clips that has a total mass of 3.228 grams and is 100 % of…

A: Is it possible to have a cluster of paper clips that has a total mass of 3.228 grams and is 100 % of…

Q: omplete the rate law for the reaction by filling in the values for the rate constant and reaction…

A: We are given concentration of A at different time periods We have to tell the order of reaction and…

Q: ATP is -30.5 kJ/mole. The actual concentrations of ATP, ADP and Pi in (log human erythrocytes are…

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.