Average Exposure to Radiation from Common Sources Source Dose (mrem/year) Naturally Occurring Radiation Cosmic rays Terrestrial radiation (rocks, buildings) Inside human body (K-40 and Ra-266 in the bones) 27 28 39 Radon in the air 200 Total 294 Artificial Radiation Medical Xrays Nuclear medicine Consumer products Nuclear power plants All others 39 14 10 0.5 1.5 Total 65.0 Grand total 359 Use the data on the table to calculate the percentage of total annual radiation from naturally occuring sources that the average person receives from terrestrial radiation (rocks, buildings). percent

Q: (Q28) A 25.00 mL solution of O.200 M hydroiodic acid (HI) is being titrated with 0.200 M sodium…

A: Answer: In the Acid-Base titration equivalence point is the one where all the acid has been…

Q: Estimate the absorption frequency of butadiene if the sum of the bond lengths is 0.424nm

A:

Q: Shown below is a carbocation intermediate in an electrophilic addition reaction of HCI with two…

A: HCl is added across carbon carbon double bond.

Q: 3. A student is using a 10 mL volumetric pipet to dispense water and wants to test how accurate the…

A: Given: Mass of beaker = 30.045 ±0.005 g Mass of beaker+ water = 40.081 ±0.005 g To calculate: Mass…

Q: Step 1: Calculate the Index of Hydrogen Deficiency (IHD). Step 2: Use IR to determine obvious…

A:

Q: In Part A, the mass of KHC,H,O, is measured to the nearest 0.0001 g. However, the volume of water…

A: The explanation for the following is:

Q: 3. A 2.351 g sample of KHP is dissolved in water and titrated with a NaOH) solution. If 32.02 mL of…

A:

Q: What happens to the volume of air confined in the syringe as the slotted masses are added? State the…

A: Boyle's law: Boyle's law is a gas law that states that a gas's pressure and volume are inversely…

Q: enthalpy and entropy of fusion of the solid.

A:

Q: SPECTRUM B. Identify the compound (here) corresponding proton (with labels selected among H2, H3,…

A: The 1H NMR spectrum of the given organic compound has five peaks indicating five different proton…

Q: ** vi CI 10 Desulfovibrio vulgaris 6. SR humic acid? hematite $ 6 7 pH 3 4 8 9 10 Fig. 7-12.…

A:

Q: What would be the electrochemical notation for the redox reaction below?

A: Electrochemical cell/Galvanic cell:  The cell in which chemical energy is converted into…

Q: 4)  How much 1.5 M NaOH is required to neutralize 15 mL of 2.0 M HCl?

A:

Q: Given the equation Ag*(aq) + 2 NH, (aq) – [Ag(NH,),]*(aq) Kf = 2.00 × 107 determine the…

A: Given: Mass of AgCl to be dissolved = 529 mg = 0.529 g. Volume of solution = 100.0 mL = 0.100 L…

Q: 20 grams of potassium sulfate is dissolved into 100ml water, calculate the molarity of the potassium…

A: Given data,Mass of potassium sulfate=20gVolume of water=100mL=0.100L

Q: 25ml of methanol (d=0.792 g/cm3) is mixed with 150ml of water (d=1 g/cm3). What is the volume…

A:

Q: d or subtract the following measurements. Be sure each answer you enter contains the correct number…

A: In addition or substraction answer got the least decimal places.

Q: How would the calculated value of pKa of the unknown acid be affected (higher, lower,  or no change)…

A: (1)When we record a lower pH value than the real pH value, the concentration of H+ will be higher,…

Q: N,O4(g) 2 NO2(g) A. At a certain temperature 20.0 grams of N,O, is placed into a 500.0-mL flask. At…

A: Answer: Value of equilibrium constant for for a chemical equation is equal to the ratio of molar…

Q: Consider the melting of ice at 0°C represented by the following equilibrium: H2Ols) H2O() The AS°…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The peak widths if the spectra of atomic UV-vis are different from the molecular UV-vis spectra.…

A: The peak widths of atomic UV-vis spectra are sharp where as the peak widths of molecular UV-vis…

Q: e organic product expected f

A:

Q: N. CH3 NH2 CH3 b. C. Br NH2 d.

A:

Q: Use the Acid-Base table to determine net Brønsted acid-base equations and equilibrium constants for…

A:

Q: Organic Chemistry Organic Chemistry Problems Substitution Reactions S1 and S,2 Problem 7: Draw the…

A:

Q: H,C-CC-CH, N-N N: CH3

A: Note: The above reaction is [3+2] cyclo addition. (See below).

Q: CH30 ce

A: ->Here CH3O- acts as base hence , give elimination reaction and form alkene as major product.

Q: 3. While determining the volume during this experiment (Part II), if the total volume of the flask…

A: If the volume of the flask was 125 ml instead of the measured volume, the calculated molar mass of…

Q: Problem 8: Use mechanism to explain all of the products of the following reaction. ethanol + Br

A:

Q: Calculate the potential for each cell as written at 25 °C. Indicate whether the metal electrode in…

A:

Q: 6. What are the possible values of the angular momentum quantum number (€) when n= 3 ? 7. What are…

A: The electronic configuration of any element can be represented by 4 quantum numbers-  1- principal…

Q: Draw the structure of the aromatic product from the reaction shown Select Dra 1 equiv. HO H2N

A:

Q: In acidic solution, sodium oxalate, Na, C,0,, is oxidized to CO, by MnO,. In the process, Mno, is…

A: Given :-  Mass of Na2C2O4 = 0.597 g  Volume of MnO4- solution required for titration with Na2C2O4 =…

Q: 4. Hexachlorophene is used as a disinfectant in germicidal soaps. What mass of hexachlorophene ( M =…

A: Given :

Q: Each of the IR spectra below corresponds to one of the aromatic compounds listed below. Determine…

A:

Q: Consider the reaction 2NI3(s) → N2(g) + 3I2(g). The enthalpy change of this reaction -131 kJ/mol…

A: Concept:  1st law of thermodynamics:  the first law of thermodynamics is another version of the law…

Q: Use standard reduction potentiais to calculate the equilibrium constant for the reaction: Sn2+(aq) +…

A:

Q: Draw a structural formula for the more stable carbocation intermediate formed in the reaction shown.…

A: We have to draw the structural formula for the more stable carbocation intermediate that is formed…

Q: Write balanced, net ionic equations for each of the five reactions and, using the scheme outlined in…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: el NEN 2)+ A CC, + Br, 1, C,H. + H,O H,O h) NBS

A: e. Diazo methane on heating produces carbene. Carbene reacts with alkene produces the cyclopropane.…

Q: QI/ A) Which of the following is the structure of the most stable enol form of 2-methylpentan-3-one…

A: `

Q: For the cell: pt/ Hz clatm) / NaOH Cm)/ HgO csJ/ Hg -0.924V Catcutate stendard electrootive force…

A: The standard electromotive force at 298 K, and electrodes reaction and the cell reaction of the…

Q: 6) Draw all possible starting haloalkanes that would form this product when undergoing unimolecular…

A:

Q: What is the multiplicity of stilbene?

A: Solution- Here we discuss about the multiplicity and applications of stillbene.

Q: Give the cooEed common nQme Cven क todoe Stucturen HaC

A:

Q: 8. Circle the nitrogen in imidazole that will be protonated by HCI? Explain your answer in the box…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: The reaction of 4-pentanoylbiphenyl and hydrazine without potassium hydroxide is a net? O a.…

A:

Q: solution (in water) and 0.2M Tris-HCl, pH=8.00. For this part, the concentration of PNPP will remain…

A:

Q: please show me the 7th carbon, explain how this named, i count 5 carbon only

A: For a naming a compound , select the parent chain having more number of corbon atom .

Q: L00 5) C1,H1,N IR 3000 1000 4D00 Spo 140 120 100 80 60 40 20 13C NMR Impurity Impurity N/A CDCI, 1Η…

A: Step 1 : C10H11N ( DBE = 10 - (11-1/2) + 1= 11-5= 6 = 4+2). Benzene ring + Cyano group. Step 2: 2200…