Br H20 1

Q: 2) An aqueous solution is 3.0 M hydrochloric acid and has a density of 1.1 g/mL. How many mmol of hy...

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Q: Ammonia is produced by the following reaction: N,(g) + 3H2(g) = 2NH3(g) In an experiment, 1.00 mol o...

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Q: see attached question

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Q: Determine whether the following equations represent oxidation-reduction reactions. (a) SnCl(s) + Cl,...

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Q: the insecticide DDD contains only c,h, and cl. When 3.2 g is combusted, 6.162 g of Co2 and 0.9008 g ...

A: Given : DDD contains only C, H and Cl atoms. Mass of DDD combusted = 3.2 g Mass of CO2 produced on c...

Q: A 4.7 g sample of copper oxide is heated in a stream of hydrogen gas and 0.592 g of water is formed....

A: CuO  + H2 ------------------ Cu  + H2o  Mm of CuO = 79g No of mole of Cu is = 4.7/79= 0.21mol From a...

Q: Which element would you expect to be less metallic?(a) Cs or Rn(b) Sn or Te(c) Se or Ge

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number. ...

Q: The energy E of the electron in a hydrogen atom can be calculated from the Bohr formula: R. E=-- In ...

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Q: When 300.0 milliliters of 0.200-molar AgNO3 ismixed with 100.0 milliliters of 0.0500-molar CaCl2,wha...

A: Given : Initial concentration of AgNO3 taken = 0.200 M Volume of AgNO3 solution taken = 300 mL = 0.3...

Q: What is the molal concentration of C10H8 in a solution made by dissolving 0.127 g C10H8 in 9.132 g c...

A: In the given question, we are required to determine the molal concentration of C10H8 in a solution w...

Q: Pediatric elixir contains 0.05 mg of digoxin in each mL of the elixir. If there are 1000 mcg in each...

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Q: Chemistry Question

A: Boiling point of any molecule depends on 2 things ( in the same priority order as they are mentioned...

Q: The degradation of CF3CH2F (an HFC) by OH radicals in the troposphere is first order in each reactan...

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Q: Use VSEPR theory to draw structures, with ideal bond an-gles, for boric acid and the anion it forms ...

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Q: When Na and S undergo a combination reaction, what is the chemical formula ofthe product?

A: Sodium Na is monovalent with +1 charge Sulphur is divalent as sulfide with -2 charge

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g benze...

A: Assuming mass of naphthalene in the mixture is y. Hence mass of pyrene = mass of mixture - mass of n...

Q: Based on their compositions and structures and on conjugate acid–base relationships, select the stro...

A: Given: BrO- or ClO-

Q: Identify the transition responsible for the shortest and longest wavelength lines in the Lyman serie...

A: For a hydrogen atom, expression for the wave number of the spectral lines is as follows: n1 and n2 ...

Q: Name the compound. This is one possible stereoisomer, so be sure to indicate stereochemistry in the ...

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Q: Which compound in the picture attached has a dipole moment?

A: The dipole moment is the electric dipole which is present in the molecule which has equal and opposi...

Q: Assuming the density of water is 1.00g*mL^-1, the vapor pressure of pure water at 35C Is 42.18mmHg, ...

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Q: A solution is made by dissolving 13 g of sucrose (C12H22O11) in enough water to produce a solution w...

A: Osmotic pressure is defined as the minimum pressure that is required to be applied to a pure solvent...

Q: How to balance this nuclear equation?

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Q: Covert the density of water, 1.00 g/mL to lb/ft3

A: The given density of water is 1.00 g/mL.

Q: Label the electrophilic and nucleophilic sites in each molecule.

A: An electrophillic site is an electron deficient site carrying partial positive charge, whereas, a nu...

Q: (a) A 28-g (1-oz) serving of a popular breakfast cereal served with 120 mL of skim milk provides 8 g...

A: (a)

Q: When studying the photochemical processes that can occur in the upper atmosphere, it is important to...

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Q: I. All about Alkene, Alkyne and Alkyl halides (1) Write a complete chemical equation showing reactan...

A: A set of reactions between different alkynes and reagents have been considered. Alkynes are hydrocar...

Q: How many molecules of SO₃ can be formed from 0.91 moles of O₂ (assuming excess SO₂) from the followi...

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Q: . Find the maximum possible temperature that may bereached when 0.050 mol Ca(OH)2(s) is allowed to r...

A: Number of moles of strong acid HCl = 1 mol Number of moles of strong base Ca(OH)2 = 0.05 mol 1 mol o...

Q: 5. (44.8±.7)x (98.66 ±.05)%3=

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: How many of the following elements are metals? Ca Al Sn S As Bi

A: The properties of metals are--- Metals are solid in room temperature (except mercury), they are shin...

Q: Draw the structures of the monomers of the following polymers :(i) Polythene(ii) PVC(iii) Teflon

A: Monomer: A molecule is considered as monomer when this molecule bonds with another identical molecul...

Q: Using any necessary reagents, show how the following compounds could be prepared using ethylene oxid...

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Q: a) This part of question refers to the molecule drawn below. CH3 CH,CH,CH3 CHFCH CH,CH3 i) Work out ...

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Q: Draw best Lewis structure for the molecular formula below in bond line notation with the correct bon...

A: let's see diagram 

Q: Sodium bicarbonate is commonly used to absorb odor. It's solubility is 9.6 g/100g H2O at 30 degrees ...

A: Given : Solubility of baking soda i.e Sodium bicarbonate at 30 oC = 9.6 g/100 g water = 0.096 g/g wa...

Q: A chemist wants to synthesize 3-heptyne but cannot find any 1-pentyne, the starting material used in...

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Q: A common isotope of Li has a mass number of 7. The atomic number of Li is 3. How can this informatio...

A: The lithium atom has atomic number three, and the number of protons in the nucleus of lithium is thr...

Q: Chemistry Question

A: Hello. Since more than one question has been posted, the first question shall be only solved in this...

Q: Write the reaction of the following alkanes. For every reaction give the IUPAC name anddraw the stru...

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be onl...

Q: The drinking water in Saplingville was found to contain 12 ppb (parts per billionof lead. What is th...

A: Given : concentration of lead in ppb = 12 ppb  Assuming 1 Kg of solution i.e 1000 g.  

Q: complete the attached table....?

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Q: What is molar solubility? How can you obtain the molar solubility of a compound from Ksp?

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other solve...

Q: Which one of the conformations in the picture attached has ONLY steric strain?

A: Given conformations,    

Q: How to balance chemical equation

A: A balanced chemical reaction should be having 2 things. 1) The total number of each element present ...

Q: Use aluminum as an example to explain how density is a periodic property.

A: Density is given by,