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Q: 6. Which of the following is NOT true about the Particle Theory of Matter? * a. All particles of one…

A: Ions can be positive ions or negative ions. Positive ions carry positive charge and negative ions…

Q: 요.. CHJOH H* H* 마음 hemiacetal hemiacetal hemiacetal (excess) TSOH CH, OH HP CH₂OH (excess) H2SO4…

A: Given,

Q: 20. A diagram representing water molecules in the solid phase (ice) is shown below. Which of these…

A: * The change of state in matter is conversion of solid to liquid or gas . When the solid substance…

Q: Hello, this is I believe the final question that I am struggling with on my Chem homework. Again…

A: Metal with less standard reduction potential can displace the metal with standard reduction…

Q: A mixture consisting of only chromium(III) bromide (CrBr3) and aluminum bromide (AlBr3) weighs…

A:

Q: 1. A mixture of gases has the following composition by mole: % by Mole 11 % Gas O2 CO2 N2 6% 83 %…

A: Number of moles = weight ÷ molecular weight

Q: 1. Which state of matter has a definite shape and volume ? * a. gas b. liquid C. solid d. both…

A: Since you have posted a question with multiple parts, we can solve only first three parts for you.…

Q: 1) Calculate the pH of a solution prepared by dissolving 1.75 g of sodium acetate, CH3COONa, in 78.0…

A: Data

Q: Barium azide is 62.04% Ba and 37.96% N. Each azide ion has a net charge of -1. Predict the bond…

A: Given that, Barium azide is 62.04% Ba and 37.96% N.

Q: A.Write the formula and Identify the factors of the following: SUBSTANCE FORMULA FACTO SUBSTANCE…

A:

Q: From the standard electrode potentials table of the cell: Ca I Ca2+ || Zn2+ I Zn calculate AG°…

A: Ered°, Ca2+/Ca=-2.866 VEred°, Zn2+/Zn=-0.76 VAt anode,Ca→Ca2++2e-At cathode,Zn2++2e-→Zn…

Q: Determine the weight percent (wt%) of selenium in the soil sample and find the absolute uncertainty…

A: Given: To Calculate:  weight percent Se in the soil and the absolute uncertainty in the weight…

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c.…

A: The randomness of molecules in scientific terms is called entropy. The molecules that are free to…

Q: Suppose a pair of chemical compounds A and B can react in two different ways: A+B → C Reaction 1…

A: The question is based on the concepts of chemical kinetics. we need to draw energy level diagram for…

Q: Balance the following reactions below using the change in oxidation number method. 1. PbO, + HBr →…

A: Here we have to balance the following equation by change in oxidation number method. The principle…

Q: Use the diagram below to answer numbers 5-6 Solid Liquid Gas 5. Which of these conclusions can be…

A:

Q: 25. Which determines the speed of a molecule? * a. Its kinetic energy b. The amount of the molecules…

A: Multiple choice questions : 25-28

Q: A liquid boils at 100°C. Which other property of a liquid proves that it is pure ter? * a. It…

A: Kinetic energy can be defined as the energy that 8s possessed by particles due to their motion.

Q: 2. How are gases and liquids similar in properties? * a. Both have molecules that move randomly. b.…

A: Since you have asked multiple questions, as per guidelines we will solve only the first one for you.…

Q: Explain by means of reaction equations how you would synthesize each of the following compounds.…

A: The question is based on the concept of organic synthesis.  we need to synthesize the product using…

Q: Fix any errors in these proposed number of electrons in atom 9 12 21 proposed electron configuration…

A: There are several mistakes in the given electronic configurations like incorrect order of orbitals…

Q: Continue and confirm I got the right answer and continue to answer the rest

A: The question asks you to identify the correct acronym for a given molecule.The molecule in question…

Q: Write down the oxidation state of each of the labeled atoms in this molecule: O OH O H O HO-C- atom…

A: Oxidation number or oxidation state :- The number of electrical charges carried by an element in a…

Q: NH2 Br ОН HS CI Draw the stereoisomer where all the chiral centers have the R configuration. OF

A: Chiral center is carbon having four different groups attached.

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c. NH3)…

A: Here we have to determine entropy change in the following given cases.

Q: 9. Which of the following statements best describes the entropy of water that freezes in a beaker?…

A:

Q: VII. Predict the sign of entropy. Write P if it is positive and N for negative. Write your answer on…

A: Since you have a question with multiple parts, we can solve only first three parts for you. If you…

Q: The equilibrium constant, K, for the following reaction is 123 at a certain temperature. H₂(g) +…

A:

Q: Part 1: Balance the given Reduction-Oxidation (REDOX) equations using the Oxidation Number Method.…

A:

Q: To preview Image click here CH3 CH3 11 1 A. How many signals would you expect to see in the ¹HNMR…

A: Answer for the circled part is asked: Number of signals in 1H NMR of structure II:

Q: Section Homework: 1. In the box below an arrow from a reagent write the formula(s) for the…

A:

Q: The combustion of 1.663 g of fructose, C,H,0,(s), in a bomb calorimeter with a heat capacity of 5.50…

A: Given: mass of fructose = 1.663 g heat capacity of calorimeter = 5.50 kJ/oC Initial temperature =…

Q: The monosaccharides depicted below are: НО НОН H Но H `OH ОН ОН O Diastereomers O Enantiomers O…

A: Non-mirror image stereoisomers are diastereomers. They have the same configuration at one or more…

Q: 7. Why does addition product B predominate at the higher temperature (100°C)?

A: This question is asking why product B predominates at a higher temperature in a chemical reaction.…

Q: A pond water sample was found to have 16 mg CaCO, in a 100.0 mL sample. Calculate the concentration…

A:

Q: Particle size data for a sample of spherical particles is given as volume percentages recorded in…

A:

Q: 30. Based on the given data, which of the subatomic particles is the lig Particle Charge Mass (kg)…

A: Atomic number = number of proton, Atomic mass = no. of proton + no.of neutron

Q: The following data were observed in an experiment on the photoelectric effect of an element 109…

A: We know, that  The energy of incident photon = work function + Kinetic energy of the ejected…

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.