a) Why is uranium-235 a good source for a chain reaction compared to uranium-238? b) Which Isotope of Uranium is most common? C) Which isotope of uranium will fission?

Q: Preparation of sodium standard solutions with concentrations of 10, 20, 40, 60, 80, 100 (ppm) in a…

A: The reference solution is 100 ppm of sodium standard solution. Now, 1 ppm (parts per million) = 1…

Q: I just was wondering why its not 2e- for the second reaction and just e-

A: Given , To balance the reaction .

Q: Balance the reaction below and write the expression for the equilibrium constant. H2(g) + I2(g) ⇋…

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Q: give reasonable and scientific explanations of what happened when they add Mentos to the cola.  Use…

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Q: Carbon dioxide can exist only in the gaseous state, Is this statement true or false? True False

A: There are three phases of matter. The phase of matter can be interchanged by changing the…

Q: DF Which of the following is the condensed structural formula for a 22:1 fatty acid? OFFIC ANSCR O…

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Q: Consider the reaction. Will this product form with the following stereochemistry? O a. No Ob. Yes…

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Q: Draw resonance structures for thiazyl fluoride, F3NS.

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.233   and A650=0.061, using a…

A: Given that: A620 = 0.233 A650 = 0.061 Dilution factor = 100 Total volume of the extract = 45 mL

Q: 2. Predict which member of each pair will be more soluble in water. Explain the reasons for your…

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Q: QUESTION 11 A student titrates 26.5 mL of a sulfuric acid solution with 0.750 M NaOH. The color…

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Q: Which of the following is the correct formula for the alkane that contains ten carbon atoms? a) Cio…

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Q: D Listen Calculate the concentration of chloride ions when 100.0 mL of 0.200 M sodium chloride is…

A:

Q: Chemistry for a reaction the energy of activation is 25kj. what is the value of frequency factor if…

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Q: Energy from food is stored in the form of a high-energy form of adenosine. Select the correct…

A: ATP ,Adenosine triphosphate is the main molecule of storing ans transfering energy in cells.

Q: For each of the following chemical symbols, determine the number or element symbol that goes in the…

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Q: How many moles of carbon are in a sample of 2.5125∗1027 atoms?

A: One mole of any element contains avogadro no of atoms i.e. 6.023*1023 no of atoms.

Q: Instructions: Redox Reaction: Fe2+ (aq) + MnO4- (aq)  -> Fe3+ (aq) + Mn2+ (aq) Balance the given…

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Q: HyPOalaq) + 3 Mg(OH)2(ag) = Mga (PO4/21s) + 6 H201 If 35.0 mL of 1.67 M HsPO4 are reacted with 50.0…

A: Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: CHEMISTRY (Please write the complete solution legibly. Choose the correct answer. No long…

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Q: Convert the following energy measurement to the unit shown. Answer the questions related to the…

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Q: You are given the following boiling point data. Which one of the liquids would you expect to have…

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Q: What is the omega-designation for the following fatty acid? A) Omega-16 B) Omega-12 C) Omega-10…

A: This question is based upon nomenclature of fatty acids.

Q: 2 HyPOalaq) + 3 Mg(OH)2(ag) = Mga (P04/21s) + 6 H201 If 35.0 mL of 1.67 M HsP04 are reacted with…

A: This question is based on stoichiometry.

Q: DF OFFIC ANSCR CH3 Classify the amino acid with the R group -CH2-CH-CH3 according to its polarity. O…

A: These amino acids are nonpolar

Q: Using the activity series, a) What are the outcomes of the following reactions? i. Cu(s) + AgNO3(aq)…

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Q: CH3 d) H.C---OH CH3 D) OH OH Н + + + TsCl KMnO4 OH NaBH₁ _pyridine H 0

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Q: 2. Using the equilibrium constant expressions, you determined on # 1, calculate the value of K when:…

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Q: 3 What is the name of the nucleoside formed by adding the guanine to ribose? O deoxyguanosine O…

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Q: Generally, observed behavior that can be formulated into a statement, sometimes mathematical in…

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Q: OAc can be used for Sn2 as well  How would this be incorporated into the answer

A: OAc- is a weak nucleophile,  and here solvet is DMSO.

Q: Identify the conjugate acid-base pairs in the reaction below. H3PO4(aq) + H2O(l) ⇌ H2PO4-(aq) +…

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Q: Redox Reaction: Fe2+ (aq) + MnO4- (aq)  -> Fe3+ (aq) + Mn2+ (aq) Balance the given redox reaction…

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Q: What is the electronegativity difference between Ga and N?

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Q: 5 40 Listen When the following equations are balanced using the smallest possible integers, what…

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Q: How many carbon atoms are there in 25 molecules of C4H4S2?

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Q: Which of the following is true of a system at equilibrium? a) No new product molecules are formed.…

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Q: Using only the periodic table arrange the following elements in order of increasing ionization…

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Q: Listen Which of the following ionic compounds is insoluble in water? O NaCl CaCl2 FeCl3 BaCh AgCl

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Q: Identify the false statement regarding the given redox reaction. Note that the reaction is under…

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Q: A 29.8 mL sample of 0.247 M triethylamine, (C2H5)3N, is titrated with 0.396 M hydroiodic acid.…

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Q: Draw a diagram that represents the ions formed in water when 2 Aluminum sulfates dissolve in water.

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Q: The equilibrium constant, Kc, for the reaction: 2 NOCI (g) 2 NO (g) + Cl2 (g) is 2.4 x 107. If…

A:

Q: Question 20 Listen A quantitative observation contains a number and a unit does not contain a number…

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Q: How many isomers of C₂H16 are there? a) 9 Ob) 7 Oc) 12 O d) 1 e) 4

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Q: Which of the following formula and chemical name combinations is correctly shown? A B D N₂O₂;…

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Q: Given the Latimer diagram below, solve for x, w, y, and z. Note that the diagram shows Mn in a…

A: Overall Eo is determined as: E°overall=n1E1°+n2E2°+n3E3°+...n1+n2+n3+....

Q: QUESTION 19 On the phase diagram below the triple point is _(1), the critical point is _(2), and the…

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Q: Which of the following involves a chemical change? boiling water melting ice chopping wood cooking…

A: Chemical change -: Chemical change is permanent change. If Chemical change occurs in any substance…

Q: Question 11 Listen Which of the following involves a chemical change? boiling water melting ice…

A: A chemical change occurs when the chemical characteristics of a substance change, resulting in the…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.