Which of the unstable nuclides below will not result in beta emission during radioactive decay? 192Os is the most stable isotope of this element. 193Os   174Os   195Os   194Os

Q: 1. Original pH of the half neutralized solution: 4.35 2. Calculate K, of the Weak acid:

A: Given  pH = 4.35

Q: Trials A Volume of Vinegar used (ml) 25.00 diluted to 250.00 mL Volume of Aliquot used (ml) 50.00…

A: CH3COOH + NaOH    gives     CH3COONa + H2O So, 1 mol NaOH neutralises 1 mol of acid.

Q: H2CrO4 B 2CH2CI2 (i) 2Benzene AICI3

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

Q: Metalloprotein linkages are most likely to be formed between: Select one: O a. Two cysteines O b. An…

A: The correct answer is given below

Q: Both fission and fusion are nuclear reactions, but only one process results in radioactive decay.…

A: Nuclear reactions mainly of three main catagories. They are Nuclear fusion, Nuclear fission and…

Q: Specific Heat Metal (J/g°C) Calcium 0.647 Iron 0.449 Silver 0.235 Gold 0.129 In joules, how much…

A:

Q: 5. Which choice best represents the relationship between wavelength and frequency? there is no…

A: The relationship between wavelength and frequency is,  ν = c / λ Where ,        ν = frequency…

Q: Calculate the pH of the 0.30 M NH3/0.36 M NH4Cl buffer. What is the pH after the addition of 20.0 mL…

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Q: 2. How many stereoisomers exist for the following molecule? OH A. 2 B. 3 C. 4 D. 6 E 8 23 The…

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Q: The condensed structural formula for a wax is shown below. Type the condensed structural formulas…

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Q: - is the nitrogenous waste of body urea uric acid O creatinine creatine O O O O

A: ★ Answer : Correct option is • Urea   **  Urea  is the nitrogenous waste of body .   ** The nitrogen…

Q: pls

A: Propane is burnt with oxygen.

Q: QUESTION O Based on the plot of a Beer-Lambert calibration curve, what factor can determine the…

A: While plotting Beer-Lambart calibration curve, we take Absorbance in y-axis and concentration in…

Q: 1.37 Calculate the Unsaturation Index of each Compound ( b = 1.37 ppm, resonances singlet, 9H…

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Q: Consider the following cell: 2Ag (s) + Mg" (aq) ---> 2Ag' (aq) + Mg (s) Where Ag" +e ---> Ag Mg + 2e…

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Q: 800 705 kJ 600 497 kJ PE (kJ) 400 200 175 kJ 100 Reaction Progress Created by E. Lee for Virtual…

A: Given,  Potential energy = 705 kJ Starting reactants energy = 497 kJ  When catalyst used potential…

Q: Et HO. OH Et Et Et H* propose mechanism

A: To get the product dehydration should be takes place. Dehydration means removal of water from…

Q: Show reagents and intermediates in multistep synthesis а. b. NH2 ОН C. Br + S.

A: In this question, we will show all reagents, intermediate products for the given multistep…

Q: What is the name of the major organic product obtained from the following reaction? 1.…

A: In this question we have to tell the product of the reaction.

Q: uestion 27 "A new element (Rr) has been synthesized and its properties analyzed. When 0.157g of Rro…

A: Answer: Enthalpy change for a reaction is an extensive property, therefore as moles of reactant will…

Q: What is the pH of 10mL aliquot of toluic acid (with a concentration of .1837M) after 21.05 mL of…

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Q: Determine the energy for the first excited state for naphtacene assuming the box width equal 8.5 Å:

A: Given: Length of the box = 8.5 A° = 8.5 ×10-10 m

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

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Q: Describe method of acid vapor Pressure.

A: Menometric method

Q: HN' CH3 C A

A: The hydrolysis of ester, amide and acyl chlorides depends on the tendency of how strong the leaving…

Q: What mass in grams of oxygen gas are produced when 2.43 x 10g of KCIO, are completely reacted…

A: Given-> Weight of KClO3 = 2.43 × 10-4 gm

Q: How many calories 5000 Joules are? show computation

A: There are different units of heat-  1- joule 2- calorie

Q: proper name of this compound

A:

Q: A. Mg(s) + 2 HCI (aq) > H,(g) + MgCl,(aq) AHA = B. MgO(s) + 2HCI (aq) → H,O(1) + MgCl,(aq) AH; =

A: Given that ∆H°f Of H2(g),Mg(s),MgCl2(aq) and  HCl(aq) are O,O,-796.9,and -167.2KJ/mole, Therefore…

Q: 5 ml of a 0.2 M NH3 solution are added to 5 ml of a 0.1 M NHẠCI solution (Kb for NH3 is = 1.8 ×…

A: Dear student, As yoy have asked multiple part questions but according to guidelines we will solve…

Q: Draw the monomer that  is used to create the following polymers.

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Q: In the case of homogeneous catalysis a catalyst and reactants form a а. single phase Ob. different…

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Q: A. The compounds below have about the same molecular mass. Choose the compound (1 or 2) below that…

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Q: PPh + R. +R. PPh RBr oc- Br Ph,P PhP čo explain how's the hybridization? prove your answer

A: To solve this question, it is quite important to determine the oxidation state and the proper…

Q: 17. Draw the structures of Compound 17a. and 17b. resonances Calculate the Unsaturation Index of…

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Q: A precipitate dissolves if: Select one: а. Q=Ksp b. Q= 2*Ksp C. Q>Ksp- d. Q<Ksp

A: Ksp is the solubility product of salt . Q is the ionic product of salt. If ionic product is equal to…

Q: A solution (total volume = 1L) of 0.4 M NH3 contains 12.78 g of NH4CI (MW = 53.491 g/mol). Kb = 1.8…

A: First we would Calculate initial pH of solution before adding HCl.  Then pH after adding HCl is…

Q: pls solve this ques quickly needed urgently will give you many upvotes

A: Given data: Propane is burnt with oxygen.

Q: 12. Calculate the amount of heat needed to warm 24.6kg of water from a room temperature of 20.0C to…

A: Mass of water = 24.6 kg  Initial temperature = 20.0 °C  Final temperature = 60.0 °C  Heat needed to…

Q: "How many grams of carbon dioxide will be produced by the complete combustion of 50 grams of C 5H…

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Q: Peak Solution Preparation Area 0.045 g of paracetamol is weighed in a 50 mL volumetric flask and…

A: In the equation of calibration curve y is the peak area and x is concentration of paracetamol…

Q: We are given the concentration of substance A at 15 sec. (0.90 mole/L) and at 45 sec (0.30 mole/L)…

A: Given Concentration at 15s = 0.90 mole/L Concentration at 45s = 0.30 mole/L

Q: For each of the following unbalanced equations, calculate how many grams of each (a) NaOH(s) +…

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Q: Which ONE of the following is the correct amount of hydrocortisone contained in 50g of 0.5% (w/w)…

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Q: 10.How does the heat of fusion of water compare to the heats of fusion of other similar substance…

A: Heat of fusion is directly proportional to intermolecular forces.

Q: Nitrate salts are generally considered to be soluble salts. One of the least soluble nitrates is…

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Q: Which of the following amino acids is most likely to have a positively-charged side group under…

A: The physiological pH is 7.4

Q: 1. A silver nitrate solution contains 14.77 g of primary standard AgNO3 in 1.00 L. What volume of…

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Q: (i) For the following reaction catalysed by an enzyme E E +S ES k-1 2, E + P outline the…

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Q: 1. If 25.0 mL of 0.1000 M HCl is titrated with NaOH with an initial volume of 3.02 mL and final…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

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.