How many grams of Ab O3 will be created from reacting 36.0 g of Al with a sufficient amount of O2? 4Al(s) + 302(g) → 2AI,O¿(s)

Q: Chadwick the chemistry student carries out a titration by adding an aqueous solution of NaOH to an…

A: Chadwick the chemistry student carries out a titration by adding an aqueous solution of NaOH to an…

Q: 17. The figure below shows how the temperature of a substance changed as it was heated. Which…

A: From temperature - time graph, it can be seen that for portion B of graph temperature change is nil…

Q: Write the solubility product expression for barium chromate .

A: Solubility product constant (Ksp​)is the equilibrium constant for a solid substance dissolving in an…

Q: What functional group is highlighted in this section of an unknown drug? CI Br

A: What function group is highlighted in this section of an unknown drug ?

Q: The dead state for N2 in a gas mixture consists of (a CO2) , and (b N2) where a and b are the molar…

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Q: A sample of gastric juice has a pH of 2.5. what is the hydrogen ion concentration in this secretion?…

A: Given-> pH = 2.5

Q: An electron in the hydrogen atom make a transition from the ground state to an excited level by…

A: The wavelength of photon is 95.0 nm  = 95.0 * 10-9 m Initial level = ni = 1  We need to determine…

Q: How many grams of acetic acid ( HC2H3O2 ) are needed to neutralize 35.2 mL of 0.419 M of calcium…

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Q: The _____ on the central atom is determined by the Electron Domain Geometry.

A: VSEPR theory:  According to Valance shell electron pair theory total electron pair groups is sum…

Q: 1:47 PM ...14.1KB/s &a 87 PHYSICS CHEMISTRY BIOLOGY v English(En) 13 * Review Consider the given…

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Q: Activity 2. Molecular Shapes Instructions. Draw the molecular shapes and predict the bond angles…

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Q: It takes 242. kJ/mol to break a chlorine-chlorine single bond. Calculate the maximum wavelength of…

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Q: Calculate the average value of r in a hydrogen 1s orbital.

A: We have to calculate the average value of r in a hydrogen 1s orbital.

Q: Provide complete mechanisms and the products for each step of the following Robinson annulation (3…

A: We have to carry out the given reaction. This is an example of Robinson's annulation reaction.

Q: Given the reaction: Anode: NO3- + 2H + +e- ---> NO2 + H2O Cathode: 2H + 2e- ---> H2 Find the…

A: Given the reaction: Anode: NO3- + 2H+ + e- ---> NO2 + H2O Cathode: 2H+ + 2e- ---> H2 Find the…

Q: 2. Find the value for the equilibrium constant, K, at 25 °C (298 K) for the following reaction. The…

A: Given that -               Temperature =298K       Free energy (∆G°)= -13.6 kJ…

Q: b) Arrange the following compounds according to the reactivity towards nitration. Give reasons for…

A: Given compounds are :

Q: MIDTERM-EXAM (1) (Protected View) - Word A Dryan Zen References O Tell me what you want to do &…

A: The major functionality present in the given molecule is aldehyde along with hydroxy and alkyl…

Q: In an acid-base reaction, a strong acid will form a weak base. True False

A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions when…

Q: Calculate the critical free energy of nucleation of ice from water at (i) 0°C, (ii)-5°C, and (iii)-…

A: Solutions                               Given that Calculate the critical free energy of nucleation…

Q: The difference between methyl orange manual And the red instance guide

A: the solution is shown below.

Q: Given the reaction: HI + CN- ↔ I- + HCN  What is the Bronsted-Lowry base in the forward reaction?…

A: The Bronsted acid are those which lose proton whereas Bronsted base are proton accepter.

Q: Tyler titrates 40 mL of 0.350 M lactic acid (HC3H5O3,Ka=1.5×10−4) using 0.450 M NaOH. Calculate the…

A: 40 mL of 0.350 M lactic acid is tirated using 0.450 M NaOH . Ka of lactic acid = 1.5 × 10-4 .We…

Q: The Ksp of Fe3(PO4), is 1.45 · 10-23 M. Calculate the solubility of each ion in a saturated…

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Q: The pOH of the solution of NaOH is 11.3. What is the [H3O+] for this solution? a.5.01 x 10-12 b.4.0…

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Q: 6HCI(g) + Fe2S3. What is the mass of HCl produced in FeCl, reactant? G: 60g FeCl MM: 1mol FeClz =…

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Q: Directions: Match the following terms in column A to the description that matches them in column B.…

A: We have to match the given column A to column B. Now, the temperature is T = 32°F. So, the…

Q: 0.200 moles of H2 and 0.200 moles of Cl2 are placed in a 5.00L flask at 25 C. Calculate the…

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Q: A metal 'X' burns in air with a dazzling white flame and changes into a white powder 'Y'. The…

A: It is an example of the oxidation reaction of metal in the presence of air in order to provide metal…

Q: What is the concentration of the undiluted chloride solution? Round off to three (3) significant…

A: Given that -  Mass of sample containing chlorides ions = 400 g  Molar weight of chloride ion = 35.45…

Q: a photon. The wavelength of the photon is 95 E the electron can reach?

A: Given,   Wavelength (L) = 95.0 nm =95×10-7 cm Initial energy level (n1) = 1 fina energy level (n2) =…

Q: What mass of potassium nitrate is needed to generate 163.0  L of gas, composed of 111.0  L of N2 and…

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Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

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Q: Given the reaction: HBr + NH3 ↔ Br- + NH4+ One of the Bronsted-Lowry conjugate acid-base pairs is:…

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Q: ENDOTHERMIC REACTION EXOTHERMIC REACTION Activation Energy Activation Energy Energy of produch…

A: In an endothermic reaction, heat is absorbed by the reactants whereas in an exothermic reaction,…

Q: Sam added C₂₀H₁₄O₄ to an equilibrium reaction system. When heat was added, ithe mixture became hot…

A: If temperature is added, the position of equilibrium moves in the direction of endothermic process.…

Q: Do it all please ASAP

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Q: Make a systematic process for the synthesis of the benzene derivative from benzene. Present all the…

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Q: so what is the answer, i am having a hard time reading the hand writing

A: The initial pressure of the gas is needed to be provided.

Q: How many hydrogen atoms must bond to silicon to give it an octet of valence electrons?

A: Silicon has 4 valence electrons and hydrogen has only 1.

Q: Chan the chemistry student carries out a titration by adding an aqueous solution of NaOH to an…

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Q: How many mL of a 0.630M NaOH solution are needed to neutralize 20.0mL of a 0.255M HaSO4 solution?

A: Molarity of NaOH(M1) = 0.630 M Volume of H2SO4(V2) = 20.0 ml Molarity of H2SO4(M2) = 0.255 M

Q: A student is conducting molecular weight determination of an unknown diprotic acid. He first…

A: 0.5830 g of KHP 204.22 g/mol consumes 24.02 mL of NaOH titrant.0.2108 g of unknown diprotic acid…

Q: 47. Of the elements shown in the Periodic Table, which is the most reactive? III IV V VI VII I I Li…

A: Most reactive element is Potassium(K). This is alkali metal so reactivity is highest. Option (d) K…

Q: CaCl(aq) + 2 AgNO3(aq) Ca(NO3)hl ) + 2 AgCI( ) Select all the species that would be shown in the…

A: Balanced chemical reaction CaCl2 (aq) + 2 AgNO3 (aq) → Ca(NO3)2 (aq) + 2AgCl (s) In solution,…

Q: The pH scale is a measure of:   a. Relative concentration of a solution.   b. Relative acidity of…

A: pH is defined as negative logarithm of hydrogen ions dissolved in water.

Q: A Het ion corresponds to the principle quan- tum number n = 6. How many states are there? The last…

A: According to Aufbau principle, electrons are filled in lower energy states first.  Order of energy :…

Q: Given the cell notation, write the anode half-reaction, the cathode half-reaction and the overall…

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Q: Activity 1. Lewis Structures Instructions: Draw a Lewis structure for: (a) H2S, (b) OF2, (c)…

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Q: Explain in detail to a friend the steps necessary to make a quantitatively correct solution of…

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