Write the molecular equation for the reaction of solid barium carbonate and hydrogen bromide in an aqueous solution.

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Q: 1. Fill in the missing reagents or products for the incomplete reaction schemes shown below. When a ...

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Q: a- Calculate the radius of the first orbital of a hydrogen atom according to the Bohr model? What is...

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Q: ich heat energy is

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Q: O 3x 6.02 x 1023, QUESTION 5 How many H20 molecules are there in 3 moles of H20 sample? 6.02 x 1023 ...

A: Given that, Moles of H2O=3 moles then,  

Q: molarity of

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Q: What is the final temperature (in °C) of 150.1 g of water (specific heat = 4.184 J/g･°C) at 24.20°C ...

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Q: Show how the reactions take place. Concert the ff condensed formula into structural formula. 1. снЗ-...

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Q: A 0.500-g sample of n-heptane(ℓ) burned in a constant volume calorimeter  to CO2(g) and H2O(ℓ) cause...

A: Given: Mass of heptane combusted = 0.500 g. Change in temperature of calorimeter = 2.934 oC And the ...

Q: Using the VSEPR theory, predict the molecular structure of the following molecule: H2Se O tetrahedra...

A: In VSEPR theory mainly explaines the bond angle due to  interaction of lone pair with bond pair elec...

Q: AH° = ? %3D

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Q: 4a. Vs What is the relationship between these two molecules? OH 4b. Он Vs What is the relationship b...

A: Assign priorities to the groups attached to the chiral centre as per CIP rule(Cahn-Ingold-Prelog) If...

Q: 4. Why do they put magnesium rods in a steel hot water heater? (Hint: Think about galvanized steel.)

A: Q4)

Q: Consider an experiment in which you react 5.00 g each of magnesium chloride and silver nitrate in aq...

A: In balanced chemical equation number of atoms of each species are equal on both reactant and product...

Q: 4. Test for CO3 and CI Some 6 M HCI is added to the solution that may contain the above ions. Format...

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Q: From the following equations and heats of reaction, calculate the standard  molar heat of formation ...

A: From the following equations and heats of reaction,calculate the standard molar heat of formation of...

Q: Calculate the pH of a solution that is a mixture of 0.030M HNO3, 0.55M CH3COOH, and 0.015M HI. Ka fo...

A: Given data : HNO3 = 0.030 M HI = 0.015 M CH3COOH = 0.55 M

Q: Use the flow charts on the previous page to answer the following questions. In each question, a test...

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Q: What is the reaction mechanism for the following reaction? Need arrows and intermediates 2Ph,CCI Zn ...

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Q: A reaction occurs according to the following balanced chemical equation: 5 A (s) + D (aq) 2 E (g) + ...

A: Given :-  5A(s) + D(aq) → 2E(g) + 5G(aq)  Mass of A = 4.22 g  Molar mass of A = 170.32 g/mol  To cal...

Q: Water rises in capillar tubes because A. cohesion is greater than adhesion B. adhesion is greater ...

A: Capillary action can be defined as the flow of a liquid into a narrow tube. The liquid flow in oppos...

Q: Question 17 of 20 Submit Draw the product of the reaction shown below. Ignore inorganic byproducts. ...

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Q: Reaction product (BH3 + Propene) is

A: The reactants given are BH3 and propene.  

Q: If the concentration of oxygen gas found in the air-filled pore spaces of a soil is 200 mg/L at a te...

A: Correct option is C

Q: When mixed in equal molar amounts, which of the following pairs of substances would create a buffer?...

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Q: A 12.3 g sample of an alloy of Mg and Al produces 1.66 mol of H2 when added to excess HCl. What perc...

A: Given: Total mass of alloy = 12.3 g. And moles of H2 produced = 1.66 mol. Assuming that there are "a...

Q: what ins the major Beduct PH = 4.5

A: To  find major product

Q: . For a 0.326 m aqueous solution of sucrose, C12H22011, What is the boiling point? kb = 0.512°C/m

A: ∆Tb = Kb m  Where ∆Tb = Boiling point elevation                       = To - Ts  Where T0 = Boiling ...

Q: Consider the titration of 50.0 ml of 0.350 M NH3 (K, 1.74x10 5) with 100 mM HCI. What will the pH be...

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

Q: (a) Identify the type of polymer given in the following figure. (1) (ii) (b) Elucidate the term poly...

A: Polymer are very large  molecules   which  is made up of  many repeating molecular unit  which is  j...

Q: Compare the following two elements, identified by their electron configurations: A- [He]2s 22p 5 B- ...

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the ele...

Q: raw the product of the substitution reaction shown below. Ignore the inorganic byproducts.

A: We have given the organic reaction and we have to find the major product of the reaction.   

Q: Calculate the pH of a buffer prepared by mixing 400. mL each of 0.20M oxalic acid and 0.35 M sodium ...

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Q: The acid dissociation constant K, of alloxanic acid (HC,H,N,0,) is 2.24 x 1 Calculate the pH of a 2....

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Q: Which change to an equilibrium modure of this reaction results in the formation af more H3S The deco...

A: The equilibrium reaction given is, Given: The reaction is endothermic in nature.  

Q: Grignard reagents needed. OH A. The aldehyde should be: H. H. H. H. B. The Grignard reagent should b...

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Q: the pH of a solution prepared by dissolving 2.35 g of sodium acetate, CH3C ONa, in 60.5 mL o CH3COOH...

A: Molar mass of Salt = 82 g/mol Moles of Sodium Acetate(Salt) = .= mass/ Molar mass = 2.35/82 = 0.0287...

Q: Which of the following compounds has the longest wavelength for C=C?

A: The last one  has the longest  λmax  because it has the longest conjugated system made out of 4 doub...

Q: redox reactions

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

Q: Assign the correct stereochemical description to this molecule as depicted: ОН H, O S

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Q: The weak acid, HA, has a Ka of 3.00 x 10-8. What is the Kp of its conjugate base, A"?

A: Given :- Ka for weak acid HA = 3.00 × 10-8  To calculate :- Kb for conjugate base A-   

Q: Consider the titration of 50.0 mL of 0.350 M NH3 (K, 1.74x105) with 100 mM HCI. What will the pH be ...

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

Q: The K, of propanoic acid (C,H,COOH) is 1.34 × 10-³. Calculate the pH of the solution and the concent...

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Q: What volume of H2O, weighed in air against brass weights, would have to be placed in a flask at 27°C...

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are...

Q: Part A A compound of X and Y is X by mass. The atomic mass of element X is the atomic mass of elemen...

A: Answer is given below

Q: (a) Max Planck proposed two postulates to explain the behaviour of the black- body radiation. Explai...

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Q: 1. LDA CH2CH3 2. CH3CH2CI 2-Chloro-1-phenylpropanone 1-Phenylbutan-1-one 2-Methyl-1-phenylbutan-1-on...

A: We have given the organic reaction and we have to find the major product of the reaction.   

Q: a. An aqueous solution contains 3.35 g of iron(III) sulfate, Fe2 (SO4)3, per liter. What is the mola...

A: Given :-  Mass of Fe2(SO4)3 per liter of solution = 3.35 g  To calculate :-  Molarity of solution an...

Q: Using the Gibbs-Helmholz equation: a. Explain how a reaction could always be spontaneous. b. Explain...

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