Draw the nuclear symbols (with chemical symbols, mass numbers, and numbers of protons) for an atom of chlorine-35 and an atom of nickel-59.

Q: Calculate the pOH in an aqueous solution with a pH of 5.85 at 25°C.

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Q: Give biosynthesis of thujone from gerany|pyrophosphate

A: Thujone is a monoterpene with a ketone group and it is found in several plants including Salvia offi...

Q: Exercise 18 Find the density of F2 gas at 20.0°C and 188 Torr. [Answer: 0.39 g dm]

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Q: 2 reactions involved in the complete oxidation of cobaltous ion *

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

Q: Consider the following reaction and its equilibrium constant (AICI3 is a catalyst). AICI, (aq) (cat)...

A: Value of equilibrium constant ,Kc = 3.33 Equilibrium constant value doesn't affected by change in co...

Q: 3. Consider Lewis structure for hydrogen fluoride (HF). a. If hydrogen fluoride were to behave as an...

A: An acid donates proton while a base accepts proton.  HA---> H+  +   A- HA is acid while A- is con...

Q: Classify each of the following compounds as ionic (I), molecular (M), binary acid (BA), or oxyacid (...

A: This question is related to inorganic compounds and such compounds are classified into ionic, molecu...

Q: c. 20.45 g Al(NOsla 5. A saline solution with a mass of 233 g has 34.5 g NaCl dissolved in it. What ...

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Q: A sample of N2 gas (2.0 mmol) effused through a pinhole in 5.5 s. It will take s for the same amount...

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Q: a hydronium ion concentration.

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Q: An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific gravity...

A: 0.2 F solution means 0.2 moles of sulfuric acid is present in 1 L of the solution.

Q: Propose a metal for determining the specific heat for a metal like sodium which reacts violently wit...

A: Method for determining the specific heat for a metal like sodium which reacts violently with water: ...

Q: (0.1mol) of NaoH was added to 1L of a solution containing a weak acid and its base salt had the same...

A: Answer: Solution weak acid and its basic salt is a buffer solution whose pH is calculated by henders...

Q: percent by volume

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

Q: molecules are unlikely to dissolve in water easily. molecules with polar and nonpolar areas polar co...

A:                              Answer  .......... molecules are unlikely to dissolve in water easily  ...

Q: A 1.5000-g sample of cereals was analyzed for nitrogen using the Kjeldahl procedure. The receiving f...

A: Answer -

Q: Which does not belong to the group. I need answer from both questions.

A: This question is related to d-block elements. The elements from the 3rd group to the 12th group of t...

Q: the pH of

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Q: Molarity of Na2S2O3 (stock solution).    0.100 M Volume of diluted bleach titrated (taken from the ...

A: Solution: For a given titration reaction the stoichiometric relation plays important role, as from i...

Q: Determine the pH of a 0.15 M solution of Ca(BrO2)2 at 25 oC.  At the same temperature, Ka for HBrO2 ...

A: Answer: Conjugate acid of weak base and conjugate base of weak acid gets hydrolyzed on adding in wat...

Q: A saturated solution of Pbl2 (Ksp= 7.9*10-9) contains [I']=0.00055 M. Find [Pbl3] if the formation c...

A: ANSWER : If we add iodine ions in to a lead ion solution , a solid PbI2 precipitate will form ,then ...

Q: how do I find the electrons present in 5mg of allicin

A: Number of moles of allicin in 5.00 mg  = 3.08 × 10-5 moles 1 mole of allicin contains total electron...

Q: In the isomerization of 2-methylcyclopropane to butene, the Arrhenius plot is below, showing the equ...

A: The Arrehenius plot is for the isomerization of 2-methylcyclopropane to butene. The reaction is of t...

Q: Calculate the [Ag*] of a saturated solution of Agl that has an ionic strength of 0.10 M using activi...

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Q: 7. An aqueous solution has 0.0034 g of oxygen dissolved in 1000 g of water. Calculate the dissolved ...

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Q: moles

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Q: Benzene is one of the Toxic Air Pollutants (TAPS) found in car exhaust fumes When a 50.00 ml. aqueou...

A: It is given that the fractional distillation of 50.00 mL of aqueous solution of 0.05000 M benzene is...

Q: 1. NBS 2. OH PBr3 Ether

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Q: Complete the table below. Round each of your entries to 2 significant digits. You may assume the tem...

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Q: A certain amount of benzene (D=0.985 g/ml) was dissolved in 0.5 kg CCl4 to produce a solution (D=2.3...

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Q: In the mid-1930s a substance was isolated from a fungus that is a parasite of ryes and other grasses...

A: Given that, lysergic acid diethylamide (LCD, C20H25N3O). It is a weak base, having Kb = 7.6×10-7. Th...

Q: i) Br `Br and ii) -CH(CH,)2 CH¿CH,CH3 and

A: In mass spectrometry, to generate ions from either inorganic or organic compounds by any suitable me...

Q: e Van Deemter equation,

A: VAN DEEMTER EQUATION ANALYSIS  

Q: what ate the structures for the following written out compltetly  cinnamate reacts with methyl cin...

A: Since you have posted with multiple sub-parts, as per guidelines we will solve only three sub-parts ...

Q: Cd(H2PO4)2 W (HSO,)6 As2S5 NH,Br

A: Ionic compounds are made up of ions and joined by ionic bond while molecular compounds are made up o...

Q: 4) CH;NH;CN (methylammonium cyanide) lons in solution before hydrolysis Methylammonium Hydrolysis (N...

A: Hydrolysis means reaction which takes place after addition of water. Higher the Ka or Kb value, stro...

Q: Properties of Intermolecular forces (IMF)

A: 1. Ion–Dipole Forces Ion–dipole forces are the electrostatic attractions between an ion and a dipole...

Q: 3. Balance the following reaction equation in basic solution: 2- Mn04 (aq) + Cr(OH)3(s) - Mn02(s) + ...

A: MnO4- (aq) + Cr(OH)3(s) -----> MnO2(s) + CrO42-(aq)

Q: A tank contains 325 moles of compressed helium qas. How many Helium atoms are in the tank?

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Q: One atom has 15 protons and 16 neutrons in its nucleus, with 15 electrons traveling around it. Anoth...

A: Isotopes are the elements which have same atomic numbers but they have different mass number  Ex. 1H...

Q: In a solution of naphthalene in toluene, the mole fraction of naphthalene is 0.200. What is the perc...

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Q: Write the mass balance equation for a solution of saturated lithium fluoide which has a pH of 5.50. ...

A: In Mass balance equation, matter is conserved during a chemical reaction.

Q: Using the compound elements below. Find the following i. Non-Bonding and Bonding Domain ii. Molecu...

A: VSEPR theory: The structure of a molecule can be determined by using the VSEPR theory. According to ...

Q: 1. Consider an aqueous solution of ammonium nitride. a) How many grams of ammonium nitride are prese...

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Q: e net ionic equation fo

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

Q: The PHIVOLCS recently reported that Taal volcano emitted 15,500 tons of Sulfur Dioxide (SO2). How ma...

A: Here we have to find total number of sulfur atoms present in 15500 tons of SO2 gas . Here we have to...

Q: Glucose, C6H12O6, in water is often used for intravenous feeding. Sometimes sodium ions are added to...

A: Given that : Mass of Na+ = 2.0 mg = 0.002 g Mass of glucose = 6.00 g Mass of water (solvent) = 112.0...

Q: 4. Determine the structure of the compound with molecular formula CaHsO2 that gives the following 'H...

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Q: The elements of sodium and fluorine are far apart from each other on the period table. It is therefo...

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Q: the rate constant for the first-order decomposition of N2O is 2.97 s^-1. what s the half-life of the...

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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.