Describe an activity to show the reactions of magnesium and sulphur with dilute hydrochloric acid, respectively. Also, list the observations and conclusions drawn from it.

Q: calculate the empirical formula of each compound with the following percent composition. 1. 79.8%C,…

A: Empirical formula of a chemical compound is the simplest whole number ratio of atoms present in that…

Q: In the laboratory, a general chemistry student measured the pH of a 0.463 M aqueous solution of…

A: Given, Concentration of aqueous solution of triethylamine, [(C2H5)3N] = 0.463 M pH of the solution =…

Q: Determine the configuration according to Cis-Tans notation for each of the double bonds of the…

A: When two alkyl groups are in the same side with respect to a double bond then it is cis and when two…

Q: Rhodium has a density of 12.41 g/cm3 and crystallizes with the face-centered cubic unit cell.…

A: Rhodium has a density of 12.41 g/cm3 and crystallizes with the face-centered cubic unit cell.…

Q: Noble gas for Ca is Kr and it has 36 electrons. I don't understand why you say that if Ca loses two…

A: We know any element which has noble gas configuration is more stable due to low energy. That is why…

Q: A mixture of 3.51 mol N, and 35.21 g NO is heated in a closed vessel to 2000 °C. After heating, the…

A: Answer:- This question is answered by using the simple concept of calculation of equilibrium…

Q: Styrene, a compound substance used to make Styrofoam cups and insulation, contains 92.3% C and 7.7%…

A: Empirical formula :-  A formula which shows only relative number (simple ratio) of atoms of…

Q: Monosodium glutamate (MSG), a flavor enhancer in certain foods, contains 35.51% C, 4.77% H, 37.85%…

A: Empirical formula :- The formula which shows only relative number of atoms of different elements…

Q: A student follows the following protocol for making a kinetics lab solution. mL 0.0165 M KBrO3 mL…

A: Given: The volume of 0.0165 M KBrO3 is 3.00 mL. The volume of HCl, water, and KI is 4.00 mL, 1.00…

Q: Explain the possible mechanism (Sn1/Sn2/E1/E2) given the reaction. Show the transfer of…

A: A nucleophilic substitution reaction is a type of reaction in organic chemistry where a nucleophile…

Q: Tags gy) alcohol is mixed with water to produce a 37% (v/v) alcohal _solution milliliters of each…

A: %(v/v) is defined as the volume of solute divided by the total volume of solution and multiplied by…

Q: Given the reactions, X(s) + O₂(g) XO(s) XCO3(s) - → XO(s) + CO₂(g) ΔΗ = +140.3 kJ what is AH for…

A: Well we can calculate the∆H of the given reaction by rearranging the provided value of ∆H . If we…

Q: The value of K₁ for aniline, C6H5NH₂, is 7.40×10-¹0. Write the equation for the reaction that goes…

A: Since,Weak base equilibrium constant or Kb is the ratio of the equilibrium concentrations of product…

Q: 0.31 M of F₂ gas and excess solid of E were placed in a container. When the following reaction has…

A:

Q: Calculate the volume in liters of a 0.0029 mmol/L. calcium sulfate solution that contains 150. g of…

A: The given information is as follows: The concentration of the solution = 0.0029 mmol/L The mass of…

Q: 3-Phenyl-1-propene reacts with hydrogen bromide to afford an optically inactive derivative. Account…

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Q: a. Henderson-Hasselbach equation. h. The percentage of ionization for base of a particular vlue of…

A: a) b)

Q: How many mL of 0.10 M NH4OH (35 g/mol) would be needed to completely react with 15 mL of 0.05 M…

A:

Q: d. subatome particles & VIGHIG BOruron b. Electrons c. Protons proble d. Neutrons e. Core electrons…

A: This question belongs to basic chemistry.

Q: Which of the following is the IUPAC name for the following compound?

A: IUPAC (International Union of Pure and Applied Chemistry) nomenclature is a systematic method of…

Q: 2.01×1022 HeHe atoms         Express your answer using three significant figures.    How many moles…

A: We have to calculate the number of moles of He

Q: Can you help me answer this problem, a container of Atrazine (500 g) is dumped into a river 2.3 km…

A: Given, M = 500 gm or 0.5 kg L = 2.3 km or 2300 m A = 5.7 m² Q = 8.25 m³/s D = 0.1 m²/s

Q: What is the total mass (in grams) of 1.000 L of an aqueous 1.500 M NaCl solution with a density of…

A:

Q: Please answer fast I'll rate you

A: given is the mass of unknown metal, we have to find the metal

Q: The catalyzed decomposition of ethanol at 326°C has a rate constant of 4.00 x 105 L mol ¹s 1. A…

A: According to the question, The given reaction is, C2H5OH(g) →C2H4(g) + H2O(g)  Rate constant, k =…

Q: Researchers measured the average blood alcohol concentration C(t) of eight men starting one hour…

A: (a) (i) time interval = [1.0, 2.0] Average change of C = concentraion at (2.0) - concentration at…

Q: CH4(9)+3Cl₂(g) → CHCl3(g)+3HCl(g) 4 The reaction is exothermic. Suppose a mixture of CH4, Cl₂, CHCl3…

A: LeChatelier's principle: When factors like concentration, pressure, temperature, inert gases that…

Q: 5. When is Kp = Kc? Whenever a reaction is homogeneous. O Never.

A: The concept behind the correct answer is related to the relationship between Kp and Kc for reactions…

Q: How many moles of Care formed upon complete reaction of 2 according to the generic chemical…

A: Unitary method of calculation -  find the value in single unit than find necessary value by…

Q: Which of the following is the correct name of the structure below? HH NII I `I H C=C-C-H I H

A:

Q: 10:00 Consider the equilibrium system described by the chemical reaction below. If 0.1908 moles of…

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Q: What is the change in enthalpy (in kJ/mol) for the reaction below, if 6.695 g of Zn reacting with…

A: Answer: In this question reactants will be considered as system and solution will be considered as…

Q: Determine the van't Hoff factor (i) for the following solutions. Assume 100% dissociation for ionic…

A: The van't Hoff factor , i is the number of particles formed in a solution per formula unit of the…

Q: 2. Draw each reaction entirely using line structures and follow the instructions below. Give the…

A: The above given reactions are related to an alkyne i.e. reactions of alkyne with different reagents.…

Q: Ņ 3- 4- Br Br Br Br T Br S Br

A: To find the relationship in such molecules, we find R-S configuration of chiral centres.  If the…

Q: After successfully isolating solid copper in Part B of this experiment, Bernice is wondering if…

A: HBr and HNO3 is the correct answer.

Q: 3. Caffeine is an alkaloid and has base characteristics. Of the four nitrogens in the structure of…

A: Dear student , as per guildline I am allow to do 1st question in case of multiple subpart , please…

Q: ning 100% dissociation, 1.0 mol of NaBr dissolved in 250 g of water [Select] ✓ have the same…

A: The question is based on the concept of solutions. We need to compare the colligative property of…

Q: At -13.9 °C the pressure equilibrium constant K, -4.0 for a certain reaction. Here are some facts…

A:

Q: Consider the following reaction where Kc 7.00 x 10 at 673 K. NH₁I(s) ⇒ NH3 (9) + HI(g) A reaction…

A: The question is based on the concept of chemical equilibrium.  We calculate the value of reaction…

Q: a. When filled empty ligand- and metal-centered orbitals have similar energies how will be the…

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

Q: In a terrible accident, a solution consisting of 2.59 kg of nitric acid, HNO3, was spilled on the…

A: Given , mass of nitric acid = 2.59 kg = 2.59×103 g mass of sodium carbonate = 2.00 kg = 2.00×103 kg

Q: Determine how many moles of hydrochloric acid there are in a 4.00 L solution of 0.200 M HCl(aq).

A: No. of moles of a solute in a solution is equal to the product of molarity and volume of the…

Q: Answer the questions below about the highlighted atom in this Lewis structure: H | H I HIC-C=C-H II…

A: As per Valence bond theory when a carbon atom formed one single bond with an atom then it is sigma…

Q: tion is given by the following rate law: rate= k [N₂] ² [H₂₁]² Use this information to answer the…

A:

Q: A certain reaction is known to have an activation energy E=42.0 kJ/mol. Furthermore, the rate of…

A: the rate will rise by more than 5 % on increasing the temperature from 274 K to 288 K.

Q: When a 18.5 mL sample of a 0.327 M aqueous hydrofluoric acid solution is titrated with a 0.457 M…

A: we have to calculate the pH of the solution

Q: What can be concluded when the reciprocal of the concentration of the reactant as a function of time…

A: Zeroth order reaction rate law is- [A]t = [A]0 -Kt If we take the reciprocal of the reaction, 1/[A]t…

Q: Autoionization occurs when two solvent molecules collide and a proton is transferred between them.…

A: Pure water is a poor conductor of electricity this shows that water is a weak electrolyte that is it…

Q: For the pairs b-c, b-d, b-e, b-f identify if the molecules are enantiomers, diastereomers,…

A: The enantiomers are chiral centers that are non-superimposable mirror images with opposite…