7. What is the symbol for a positron? +1 e -1 +1

Q: List the following atoms in order of increasing size (atomic radius): Ba, Mg, Sr. A) Sr < Ba < Mg B)…

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Q: Which of these is aromatic

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Q: piece of metal has a mass of 25.563 g. It is placed in a graduated cylinder that contains 25.4 mL of…

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Q: Can you please draw the triple alpha process of the stellar nucleo synthesis? Thank you

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Q: Solve the following problems. Show pertinent solution. 1.  Which is the strongest of the following…

A: Since you have asked multiple question as per our company guidelines we are supposed to answer the…

Q: 1. Provide a synthesis for the following target molecule. You may use any inorganic molecule or any…

A: Since it is a multiple question ,so I solved first question.   Here we have to snthesize the given…

Q: What is the hydronium ion concentration in a solution that has a pH of 8.34?

A: Given: pH = 8.34  Find concentration of Hydronium ion [ H3O+ ]

Q: Balance the following chemical equation (if necessary): C,H,O(1) + 0,(g) → H,O(g) + CO,(g) 5 2 2 3.…

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Q: Dilution of Solution Use the correct Significant figures and Solve the following problems…

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Q: 5.5 Show that, for a perfect gas, (aUaS)y = T and %3D

A: The two relations can be derived from the following expression which can be obtained from the…

Q: This equation is nearly balanced. What number should go in front of the product for it to be…

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Q: he observed nuclear moments of 209 Bi are:   I=9/2; μ = + 4.1 μN; Q=-0.4 x 10-28 m²   Determine…

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Q: certain reaction has a enthalpy value of -157 kJ/mol and an entropy value of -97.6 J/mol K at…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: Two important components in the formation of bones and teeth O Magnesium and calcium O Calcium and…

A: Vitamins are essential for life. There are various types of vitamins A, B, C, D, E and K.

Q: Use the correct Significant figures and Solve the following problems              How many Liters…

A: The molarity of the solution is defined as the ratio of no of moles of solute to that of volume of…

Q: pls answer number 3

A: In following 3rd question Na2HPO4 and H2PO4 calculate the weight required to prepare 200ml of buffer…

Q: Basicity of Amines Table 9.6 Observations on the basicity of each test sample. Sample Observations…

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Q: What is the hybridization of the Nitrogen labeled C? C A H2N N. a. sp3 O b. SPO4 Oc sp2

A: here we are required to find the hybridization of the nitrogen labelled C

Q: It's 32°F (0°C) outside under normal atmospheric conditions (1 atm) at a stunt performer's birthday…

A: Ideal gas equation can be used to calculate volume.

Q: Sigma bonds are formed via head on overlap of orbitals. Select one: True O False

A: Given statement,  sigma bond is formed via head on overlap of orbitals.

Q: Identify all the acidic hydrogens (pKg less than 25) in the following substances. List the acidic…

A: Structure 1st has acidic hydrogen -f Structure 2nd has acidic hydrogen - a , b, and c

Q: 13. (a) Compound C undergoes a reaction with SOCI2 (or PCI5) to yield compound D (Molecular Formula…

A: This Question is based upon NMR Spectroscopy.

Q: The density of formadahyde is 815.3 g/L What is the density given in G/mL? Given 125 liters of…

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Q: 3. Answer all parts (a) Consider the two reactions in the scheme below: Br NaN3 DMF Product and…

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Q: 2. A carbonate buffer of pH 10 is needed by a chemist. How many grams of Na,CO, is needed to…

A: Given,  For H2CO3 , ka=4.7×10^-11 1.5L of 0.2M NaHCO3,PH=10 Na2CO3 molecular weight =106 Calculate…

Q: 3. Calculate reaction AH°rxn and reaction AU°rxn for the reaction: TiCl4(1) + 2H20(1) → TIO2(s) +…

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Q: 34. Propose a mechanism for the following reaction: H + H20 CH, CH2CH2CH2 он

A: In this question, we will draw the mechanism steps for the formation of cyclic ether from the given…

Q: A 2.296 g sample of an organic substance (MM = 342.3 g/mol) is burned in a bomb calorimeter, the…

A: Answer: This question is based on conservation of energy. The heat released during the combustion of…

Q: In this activity, you will use the virtual lab to determine the concentration of a strong monoprotic…

A: Given: Initial volume of NaOH = 50.00 mL Final reading of burette = 48.240 mL Volume of solution at…

Q: What is the hydronium ion concentration in a solution that has a pH of 8.34?

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Q: This equation is not balanced. What is the sum of the molar coefficient for the balanced equation?…

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Q: Determine the empirical formula of a compound that has the following mass percents: · 37.0% iron ·…

A: The empirical formula of a compound is the representation of molecule which contains atom with the…

Q: What is the molar volume of a gas at STP? O 11.2 L/mol O 0.0446 L/mol O 22.4 L/mol 22.4 mL/mol

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Q: Determine

A: Given,  ΔHf0  NaCl  =  - 411.0  kJ/mol ΔHf0 H2O  = - 285.8 kJ/mol ΔHf0 HCl  =  - 92.3 kJ/mol ΔHf0…

Q: The radius of the oxygen anion (O“) at 140 pm (larger than the neutral atom, 66 pm). On the other…

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Q: In the reaction below, which is the acid? CH;OH + NaH CH;O`Na* + H2 O a. CH3OH O b. CH;O°NA* Oc H2 O…

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…

Q: H H CH3 CH3 and H TH. H CH3 CH3 H These two compounds can be labeled as: stereoisomers Ob.…

A: The compounds with the same molecular formula but different bond connectivity are structural…

Q: 7. In the compounds below find, outline and name all functional groups. Write acidic hydrolysis of…

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Q: Using the bond enthalpy data from the table below, estimate the enthalpy of reaction (kJ/mol) for…

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Q: Explain the cleaning property of soaps and synthetic detergents based on their emulsifying action.…

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Q: ge transformation. s well as q, w, AU

A: Given: Temperature rise is 80oC CV,m=3/2 R at 20oC

Q: The following are used to remove bubbles in the mobile phase, except: Ultraviolet Vacuum Pumps…

A: Answer = EXCEPT (Ultraviolet Vacuum Pumps) Are not used for remove bubbles in the mobile phase,

Q: A chemical reaction requires 452.3 kJ of heat and performs 87.0 kJ of work on the surroundings. What…

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Q: 32p has a half-life of 14.3 days. The original sample of 32p has a mass of 1.88 g. Approximately…

A: The correct answer is given below

Q: |(II) Dr. Satyam was mixing Lead with the pure silver (100% w/w). Following the addition of lead,…

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Q: What is meant by the phrase, "the energy of an electron in a given orbital is quantized"? 2.

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Q: If the pH of a 0.800 M solution of the acid HA is 3.45, calculate 1) the % ionization of this acid…

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Q: Find the ΔH (in kilojoules) for the reaction below, given the following reactions and subsequent ΔH…

A: Hess's law states that enthalpy of overall reaction is equal to sum of enthalpies of all steps…

Q: What were the starting materials used in the synthesis of the thermochromic material? a.…

A: In thermochromic material,the starting materials used are diethylamine HCl and CuCl2. Therefore,…

Q: Can you please draw the triple alpha process of the stellar nucleo synthesis? (The molecolar…

A: Answer:

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.