energy

Q: Consider the neutralization reaction   2HNO3(aq)+Ba(OH)2(aq)⟶2H2O(l)+Ba(NO3)2(aq)   A 0.125 L sam...

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Q: 1. Rb + P → Rb3P 2. CH4 + O2 -→ CO2 + 2H2O 3. Na + Cl, NaCl

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three sub-par...

Q: 108 What is the major product of this reaction? CH3 CH3 (B) CH3 CH3 (D) Br CH;ONa CH;OH (A) (B) (C) ...

A: Dehydrohalogenation reactions are those in which H and Br eliminate from alkyl halide.

Q: Calculate the amount of heat needed to boil 99.5 g of acetic acid (HCH,CO,), beginning from a temper...

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Q: • Part A Chemical energy is released or absorbed from reactions in various forms. The most easily me...

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Q: The reaction of an aqueous solution containing 0.38 M oxalic acid (H2C2O4), 4.13 M fluoride ions, 1....

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Q: .Consider the reaction A 8+C at a particular temperature. Using the data from the following table: a...

A: rate of reaction is speed of the reaction here for the given reaction we are required to plot 3 grap...

Q: Which functional group(s) would you confidently predict in a pure sample of an organic molecule tha...

A: A question based on IR spectroscopy that is to be accomplished.

Q: Q2 / A) Draw the following compound in a chair and boat position B/ Enantiomers COOH CHs OH disterom...

A: Enantiomers are non superimposable mirror images of each other.

Q: what is the importance of bromelain in pineapple?  what is the importance of papain in papaya? wha...

A: The solution is as follows:  

Q: ОН OH OH NH2 Но OH OH

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Q: Thin‑layer chromatography (TLC) can be used as a preliminary identification method for many amphetam...

A: Given that., Distance traveled by the spot from bottom = 3.52 cm Distance travel by mobile phase = 8...

Q: Calculate the final temperature, in degrees Celsius, for each of the following, if n and V are const...

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Q: QUESTION 1 CH: There are four cis-trans isomers of menthol including the one shown HO CH(CH3)2 Which...

A: Isomers are compounds having the same molecular formula, but with different arrangement of the atoms...

Q: 4.)Consider the equilibrium below occurring at a certain fixed temperature. CO (g) + 2 H₂ (g) ⇄ CH₃...

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Q: Given the following information: Br2 (g) + Cl2 (g) ↔ 2 BrCl (g)  Keq = 23.8 at 250 °C What would b...

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Q: A 20 ml solution of 0.1 M glycine hydrochloride has been prepared. How many moles of the weak acid a...

A: Given,  Molarity of glycine hydrochloride (say HA) = 0.1 M  Volume of glycine hydrochloride = 20 mL ...

Q: When dinitrogen pentoxide is heated to 650 K, it decomposes to dinitrogen trioxide and molecular oxy...

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Q: Question 3 In the case of a bomb calorimeter, which of the following relationship(s) is/are true. Se...

A: A bomb calorimeter is used measure the heat of reaction. A calorimeter has its own heat capacity.

Q: iupac nme include stereochemistry if ncessary

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Q: Write a balanced chemical equation for this reaction. Aqueous magnesium chloride and solid iron or f...

A: Given :-  Word equation :  Solid magnesium + aqueous iron (III) chloride → Aqueous magnesium chlorid...

Q: At what temperatures will the following processes be spontaneous? (Enter NONE if the process is neve...

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Q: Solid potassium hydroxide (KOH) decomposes into solid potassium oxide and gaseous water. Write a bal...

A: • Solid pottasium hydroxide decomposes into solid pottasium oxide and gaseous water.    • we need to...

Q: A 45.0 g chunk of ice at -12°C absorbs 12.0 kJ of heat. How many grams of ice melt? sp heat of ice l...

A: Ice is at -12°C and it can not melt at this temprature For ice to melt temperature should be 0°C  He...

Q: Each of these numbers is written in exponential form, but not in proper scientific notation. Write e...

A: Given :- 56.2 × 106 min   To write :- Given number in proper scientific notation    Note:- The solut...

Q: What is the molarity of a solution that is 26.0% by mass phosphoric acid (H3PO4) and that has a dens...

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Q: If the atmosphere is 25 degC and 1.2 atm and contains 0.79 mole fractions of N2, 10-S mole fractions...

A: Given that : Pressure of the atmosphere = 1.2 atm Mole fraction of N2 = 0.79 Mole fraction of the ch...

Q: TRUE OR FALSE 28. Alkali metals reacts with water to form metal hydroxide and hydrogen gas. 29. Me...

A: 28. True Example 2Li(s) +2H2O(l) --->2LiOH(aq) +H2(g) 

Q: The stoichiometry of a chemical reaction is the same as the order of that reaction, true or false? ...

A: Rate law for a chemical reaction is an equation that links reaction rate with the concentrations of ...

Q: bomb calorimeter,

A: Bomb calorimeter is a type of constant volume calorimeter which is used for measuring the heat of co...

Q: Iv. Fiberglass is a common type of fiber-reinforced plastic using glass fiber. The fibers may be ran...

A: The Differential scanning calorimeter(DSC) plot shows an increase heat flow of exothermic event( tem...

Q: babob D. O=PIO

A: C) The given chemical structure is a carbohydrate polymer.             D) The given chemical structu...

Q: nuclear equations

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Q: Write a balanced chemical equation for this reaction. Hydrogen sulfide gas and aqueous iron(II) chlo...

A: A balanced chemical equation has equal number of atoms for each element involved in the reaction are...

Q: 1.)The reaction shown below has an equilibrium constant value of Kc=0.0475 at a certain temperature....

A: The given equilibrium reaction is: 2 NO (g) ⇄ N₂ (g) + O₂ (g)  Given value of equilibrium constant (...

Q: Consider the following reaction: Co(g) + H20(g) → CO2(g) + H2(g) Kp = 12.7 at 1000°C Find the equili...

A: Reaction:-  Consider the following reaction: CO(g) + H₂O(g) <------>CO2(g) + H2(g)   Partial p...

Q: Explain why a chemical reaction like the one between barium hydroxide and ammonium chloride could no...

A: There are two types of reaction:-  Exothermic Reaction Endothermic reaction When a chemical reaction...

Q: If 36.5 g of NO and 26.9 g of O, react together, what is the mass in grams of NO, that can be formed...

A: Given that : Mass of NO = 36.5 g Mass of O2 = 26.9 g The balanced equation for the reaction of NO an...

Q: A chemist mixes 0.090 M Br2 and 0.15 M Cl2 in a flask at 250 °C. The compounds react according to th...

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Q: Sketch portions of a linear polystyrene molecule that are (a) isotactic, (b) syndiotactic, and (c) a...

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Q: How much work is required to compress a gas from 50 L to 35 L at a constant pressure of 8 atm

A: Given that : Initial volume of the gas = 50 L Final volume of the gas = 35 L Constant pressure = 8 a...

Q: Evaporation and Intermolecular Attractive Forces Complete the following data table. AT (°C) 10.47 Co...

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Q: A low-intensity peak at m/Z = 31 can be seen in the mass spectrum of methyl acetate in Figure 3. Pro...

A: The mass spectrum of methyl acetate has a low intensity peak at m/z = 31. The fragment that is respo...

Q: 1. Identify this reaction. Mg + HBr → MgBr, + H2 O Single displacement O Double displacement O Combu...

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Q: What is the ratio of the moles of sodium hydroxide to the moles of crystal violet (nNaOH/nCV+) at th...

A: We know that,               Molarity = number of moles of solute /                                  ...

Q: Question 3 In the case of a bomb calorimeter, which of the following relationship(s) is/are true. Se...

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Q: Calculate the pH of a solution with [OH-]= 4.6x10-5 M

A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of th...

Q: The normal boiling point of acetone is 56.1°C and its ΔHvap at its boiling point is 29.1 kJ/mol.  Wh...

A: In the question it is asked that if acetone which has boiling point 56.1 degree Celsius which have h...

Q: 6. A hot unknown metal with mass 17.68 grams is transferred from boiling water (98.70 °C) to a coffe...

A: The answer of the question is given below:  

Q: A 25.00 mL sample of aqueous carbonic acid solution of unknown concentration requires titration with...

A: Given, A 25.00 mL sample of aqueous carbonic acid solution of unknown concentration requires titrati...