In the chemical formula Mg(NO3)2, the numerical coefficient is equal to                                                        A.1                   B. 2                      C. 3                 D. 6 .   2. In the compound Mg(NO3)2, how many atoms of oxygen are present?         A.1                   B. 2                      C. 3                 D. 6  3.. How about the number of nitrogen? (refer to number 9)   A.1                   B. 2                      C. 3                 D. 6

Q: Reactions of test samples with Jones' reagent: Cyclohexanone Acetone Benzaldehyde Glucose Fructose

A: In this question, we will write the reactions of the given compounds with Jones reagent. This…

Q: The data gathered can be presented in a table. Which of the following is NOT included in labeling…

A: Which of the following is not included in labelling the table in presenting the data to be analyzed?…

Q: Draw 3 isomers of C7H12O2 then state where you will dispose it (the kind of waste disposal should…

A: Isomers are molecules having same molecular formula but different physical and chemical properties.…

Q: 1. For the reaction at 25° C, find AG and determine what type of reaction/process takes place. a.…

A: If the gibbs free energy change is negative then the reaction is feasible.  If the gibbs free energy…

Q: How does the reaction shown effect the water solubilty of the product? H HCI dhe A. product is more…

A:

Q: Andy and his college friends decided to go on a summer vacation after a long and stressful final…

A: Select the correct answer :

Q: 2. A mixture containing only BaSO4 (FW 233.38) and CaSO4 (FW 136.14) contains one half as much Ba2+…

A: In the given question we have to calculate the percentage of CaSO4 in the given mixture.  Given…

Q: gy E required for deformation can be calculated using which formula? (L = length of d

A: According to the question, IN A CRYSTAL, ENERGY 'E' REQUIRED FOR DEFORMATION CAN BE CALCULATED USING…

Q: When calcium-43 is bombarded by an alpha particle, it forms H and what other product? Select one: O…

A: An alpha particle is helium neucli which is 42He. Now when calicum 43 is bombarded with aplha…

Q: Find the normality of sodium carbonate (molar mass = 106 g/mol) in a solution containing 0.212 g…

A: Given volume is 100 ml and mass of sodium carbonate is 0.212 g

Q: Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk…

A:

Q: Urea [(NH2)2CO] is prepared by reacting ammonia with carbon dioxide. In one process, 637.2 g of NH3…

A:

Q: 3. A mixture containing only AgCl (FW 143.32) and AgBr (FW 187.77) weighs 2.000g. It is…

A: Given that -  Weight of a mixture containing AgCl + AgBr = 2.000 g  Weight of silver obtained after…

Q: F CH || CH,CH–C−H CH3 O CH3–CH–CH–C−H Cl Cl

A: Given,

Q: How many millimeters of concentrated HCl are needed to prepare 500mL of 0.25N HCl?

A: Volume = 500 ml = 0.500 L (1L = 1000 ml) Normality = 0.25 N ->I think question asked about…

Q: What is the normality of 50.0 mL Ba(OH)2 solution when titrated with 73.50 mL of 0.250 N HCl?

A:

Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction…

A: Here we are required to find the standard cell potential for the given reaction

Q: Write three (3) things in your mind when you heard chromatography?

A: Given  Experiment: Chromatography Chromatography is the analytical technique used to isolate the…

Q: Please help me List and explain how each error effects my % yield when doing the reaction of finding…

A: Percent yield is the actual yield divided by the theoretical yield multiplied by 100: % yield=Actual…

Q: Global warming refers to unusual increased of the Earth's temperature due to the greenhouse gases…

A: Global warming is the increase in the average temperature of the Earth’s surface and its oceans due…

Q: What pressure must be applied to 225.0 ml of gas at 1.00 atm to reduce its volume to 100.0 ml?…

A:

Q: 2. At 450 °C, the Kp for the reaction N2(g) + 3H2(g) 2NH3(g) is 4.5 x 10-5. Indicate whether the…

A: The reaction is,                         N2 (g) + 3H2 (g) ↔ 2NH3 (g) Kp for the reaction is 4.5 ×…

Q: 1. A chemical equation is consists of the chemical formulas of the reactants and products. How is a…

A: Balanced chemical equation are those in which number of atoms on both sides of equation are equal

Q: The complex formed between Cu(I) and 1,10- phenanthroline has molar absorptivity of 7000 L cm-1…

A:

Q: A mixture containing only BaSO4 (FW 233.38) and CaSO4 (FW 136.14) contains one half as much Ba2+ as…

A: A question based on concentration terms that is to be accomplished.

Q: Carla and her friends were tasked with determining the heat of reaction for the neutralization of…

A: Given: Concentration of NaOH = 1.00 M Volume of NaOH = 2.00 mL Concentration of HX = 1.00 M Volume…

Q: Question 30 ed Adding 1.00 g of benzene C6H6 (78.1 g/mol) to 80.0 g of an organic solvent lowers the…

A:

Q: He H 1.008 4.003 10 B C N O F Ne Li Be 6.949012 11 12 10.81 12.011 14.007 15.999 18 998 20.180 13 14…

A: Answer is option B and C  CH4<PH3<H2S  HSO3-<H2SO3<H2SO4

Q: Calculate the entropy change in surroundings when 1.00 mol of H2O (l) is formed under standard…

A: Given, 1 mol of H2O(l) is formed under standard condition. ∆fHo = -286 KJmol-1   We have to find the…

Q: 31. SYNTHESIS! Devise two multistep syntheses the same target compound. Limitations: One synthesis…

A: Here we have to synthesize the following given compound from benzene and ethane by two method i.e…

Q: 2. At 450 °C, the Kp for the reaction N2(g) + 3H2(g) → 2NH3(g) is 4.5 x 10-5. Indicate whether the…

A:

Q: 5. What mass in grams of CO2 (FW 44.01) is evolved in the complete decomposition of a 2.700g sample…

A: The decomposition reaction of MgCO3 is as follows: MgCO3(s)=MgO(s) + CO2(g)..............(i)…

Q: 4) If the classification of the chromatography run is a reverse-phase chromatography, discuss the…

A:

Q: Devise a synthesis of each compound from benzene. You may use alcohols with one or two carbons and…

A: In this question, we will synthesized the given products from the given starting materials benzene.…

Q: a) Predict the major organic product for the following reactions. 1. PCC }) 2. CH₂Cl₂ i) OH OH…

A: Since, you have multiple subparts questions. So, I will just solved first three subparts questions…

Q: &Click Submit to complete this assessment. estion 15 Two bulbs with the same volume are connected by…

A:

Q: The reaction between H2 and Br2 produces HBr, as shown below   At equilibrium, there are 0.120…

A:

Q: Which is true about the freezing point of a solution and the freezing point of a solvent?. Select…

A: Which one of the following is correct answer

Q: Determine whether an example is spontaneous process (SP) or a non-spontaneous process (NSP). 6. ball…

A: In this question we have given some process. We have to classify them as spontaneous or non…

Q: What is the % N in the compound if the ammonia evolved from 0.500 mg nitrogeneous substance was…

A: Given: Mass of nitrogeneous substance = 0.500 mg Volume of sulfuric acid = 10.00 mL Molarity of…

Q: 4. A mixture containing only BaO (FW 153.33) and CaO (FW 56.08) weighs 2.00g. The oxides are…

A:

Q: The elevation of the boiling point of the solution results from the lowering of its vapor pressure.…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: What element should be assigned as the central atom in the covalent arrangement of ammonia?

A:

Q: Which of the following will be the most basic? Select one: a. 1.0M NO3- b. 1.0M PO43- c. 1.0M SO42-…

A: Given statement is :  Which of the following will be the most basic ?  Options are : a. 1.0M NO3- b.…

Q: Calculate the rate constant,

A:

Q: Determine whether an example is spontaneous process (SP) or a non-spontaneous process (NSP). 1.…

A: Determination of process either spontaneous or non spontaneous with explanation.

Q: Balance the following equation. Show your solution. 1. H3PO4+KOH _K3PO4+H₂O — 2._AI (OH)3 + H₂CO3 -…

A: Given reactions are :  1. H3PO4 + KOH ------> K3PO4 + H2O  2. Al(OH)3 + H2CO3 ----> Al2(CO3)3…

Q: What is the percentage of Na2CO3 in the mix?

A:

Q: draw the curly arrow mechanism for this experiment, include all details like electrons, curly…

A:

Q: Use the dropdown menu to indicate the reagent for the conversion of glucose to each of the following…

A:

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.