A fossilized bone is found to contain 1/1000 the original amount of C – 14. Determine the age of the fossil if the half life of the radio active C - 14 is 5600 years. Select one: O a. 54,400 years O b. 50,000 years О с. 52,200 years O d. 55,800 years

Q: A student is examining the kinetics of the reaction A -20 under various conditions. The…

A: Answer: Graphical representation of variation in concentration of reactant with time give us the…

Q: Hydrogen was collected over water at 21.4°C on a day when the atmospheric pressure was 741. Torr.…

A: Answer: This question is based on ideal gas equation which is shown below: PV=nRTPVRT=nn=PVRT…

Q: A gas occupies a volume of 323 mL at a pressure of 505 torr. To what pressure must the gas be…

A:

Q: Differentiate Direct titration from Residual Titration. Kindly expound, because our learning…

A: There are mainly two type of titration in analytical chemistry, one is direct titration and another…

Q: If you replaced the aromatic phenols in the salen ligand with pyridines, do you expect the…

A: A question based on coordination compounds that is to be accomplished.

Q: Which is a stronger acid? Boron trifluoride or sulfuric acid?

A: Substance which easily gives H+ ion in aqueous solution, is stronger acid.

Q: Show the saponification of a liquid soap.

A: The explanation is given below-

Q: Part 1: A buffer system is set up with [HA] = 0.550 M and [A-] = 0.460 M in 1.0 L of aqueous…

A:

Q: Hydrogen was collected over water at 21.4°C on a day when the atmospheric pressure was 741. Torr.…

A:

Q: The molar solubility of chromium(III) phosphate in a 0.106 M chromium(III) acetate solution is  M.

A:

Q: A buffer solution contains 0.753 M KClO2 (Ka = 1.1 x 10-2) and 0.659 M HClO2. If 0.244 moles of NaOH…

A:

Q: The pH of 0.20 M HN03 is O a. 1.58 Ob. 0.70 C. 0.20 Od. 0.63

A: Using formula in these questions: PH = -log[H+] Where as [H+]-------> concentration of H+ Using…

Q: Determine the quantity of moles of hydrogen in 3.06 x 10-3g of glycine , C2HSNO.?

A: Please find your solution below : Mole is a measure of amount of any substance.  It is defined as…

Q: 34.6°C 78.3°C 100°C 800 760 Normal boiling point Diethyl ether 600 Ethyl alcohol (ethanol) Water 400…

A: The given graph is plotted between vapor pressure (torr) v/s temperature (oC).

Q: nsider the hypothetical lon XeF Draw a Lewis structure for this lon in which each fluorine atom…

A:

Q: Chemistry write General formula, suffix/prefix , example Structure, example Name, distinguishing…

A:

Q: 1. CsH120|| 100 4.0 3.6 2.0 1. 1.0 PPM 0.5 integral values 1003 N PPM 25ee 2000 capillary fIin…

A: Based on the IR spectrum,  1H- NMR spectrum and 13C- spectrum,  structure of the compound will be…

Q: Which of the following characterizes a beta ray? Choose all that apply. is electromagnetic radiation…

A:

Q: How many grams of ammonia are formed if 236 g of nitrogen oxide reacts with 42.9g of hydrogen gas?…

A:

Q: A sample of radioactive radon-222 was found to have a half-life of 3.823 days. What fraction of the…

A:

Q: 2. Which is the most appropriate name for the given compound below. OH a.…

A: Write appropriate name of the given structure---

Q: A general reaction written as 2A + 2B → C + 2D is studied and yields the following data.…

A:

Q: What is the binding energy in kJ/mol nucleons for antimony-123? kJ/mol nucleons 51 H+ 72;n–Sb The…

A: Answer: During a nuclear reaction, some mass of the nucleus loses itself and this lost mass gets…

Q: Draw the resonance structures aof benzoic acid. What is the resonana hynid?

A: Resonance structures can be defined as the structure that are formed by delocalisation of electrons…

Q: The Merck Index gives the following data for the solubility of 1 gram of salicylic acid and 1 gram…

A: GIVEN:-

Q: The average rate of disappearance of ozone in the reaction 2O3(g) → 3O2(g) is found to be 8.8 × 10–3…

A: 2O3(g) -> 3O2(g) Rate of disappearance=8.8×10-3atm/time

Q: 22-11 Complete the following reaction sequence from the synthesis of otteliones A and B (Org. Lett.…

A: These are the examples of ketal deprotection, esterification and conversion of vic-diol to alkene.

Q: What is the ppm concentration of mercury in fish tissue if, after testing with an instrument, it was…

A: Given: Mass of mercury = 0.000475 g Mass of tissue = 2.250 g

Q: Calculate the pH when 60.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH3NH2 (Kb = 4.4 x 10…

A:

Q: In a ammonia gas formation and equilibrium. What would most likely happen if a scientist decreased…

A:

Q: A dentity the type of chemical reaction that each of the following equations represent 1. 2Na(s) +…

A: As per the guideline, since you have posted a question with multiple sub-parts, we have solved the…

Q: Sometimes Aidol-type products can be forged in non-canonical ways Provide a mechanism tor the…

A: The explanation is given below-

Q: For the reactions below, predict the major product. Hint: Consider whether the Lewis Base has formal…

A: Both the reaction are example of substitution reaction where one functional group is substituted by…

Q: Let’s say you have a 75% sugar solution… You want: 100mls of 35% solution.  How much stock, how…

A: Given :-  Concentration of stock solution = 75%  Concentration of dilute solution = 35%  Volume of…

Q: Le Chatelier’s Principle. Directions: Predict the directions that happen in the system to achieve…

A: Answer: According to Le-chatalier's principle, on changing any parameter of the chemical reaction…

Q: Assign oxidation states to all the elements Draw an arrow with "reduced" or "oxidized" above the…

A:

Q: 4) Vitamin B3, also known as niacin, helps maintain the normal function of the skin, nerves, and…

A: Vitamin B3 also known as niacine.Of formula C6H5NO2.Tablets contains vitamin B3 or C6H6N2O.…

Q: The pH of 0 20 M HN03 is O a 158 Ob 0 70 O c 0 20 O d 063

A: Given: Molarity of solution = 0.20 M

Q: Computational NMR calculations produce magnetic shielding (MS) values. From the magnetic shielding…

A: Chemical shift is defined as the resonant frequency of a nucleus which is relative to the standard…

Q: Give a mechanism for the preparation of the appropriate benzalacetophenone using the aldehyde…

A: When acetophenone reacts with p-anisaldehyde in presence of NaOH followed by heating then…

Q: 1. PrMgBr CI 2. aq H* Meo

A: Here we are required to find the reagent as well as the mechanism for the given reaction to form the…

Q: Q/ Three chemical engineers (Mohammed, Ahmed and Ali) discussed about the effect of the pressure…

A: Ahmed is correct

Q: Calculate he pOH of 3.50 M of NaOH

A: formula used pOH = -log [OH—] Higher the concentration of OH—, lower will be the pOH value.

Q: Write the correct phase symbols next to each term. A through F A. Iron in elemental form _______ B.…

A: Given,  A. Iron in elemental form _______B. A solution of sodium nitrate ______C. Water ______D.…

Q: What is the molarity of a solution prepared by diluting 8.45 mL of 28.0% w/w NH3 (density is 0.899…

A:

Q: How much NAOH in kg is required to neutralize 10 L of HCL at 25 wt.% As well, can you explain how to…

A: 10 L HCl has a concentration of 25 wt. %  We have to calculate the mass of NaOH is required to…

Q: On a space shuttle, LIOH is used to absorb exhaled CO2 from breathing air to form lithium…

A: Given :-  LiOH(s) + CO2(g) → LiHCO3(s)  Mass of LiOH = 30.0 g  Mass of CO2 = 30.0 g  To identify :-…

Q: Calculate the pH of 4.0 X10 -4 M KOH

A: Please find your solution below : pH is a measure of acidity or basicity of a substance. It is…

Q: A base is converted to rts conjugate acid by O a removing an electron Ob adding a proton removing a…

A:

Q: How many grams of ammonium sulfate can be produced if 30.0 mol of H2SO4 react with excess NH3…

A: Number of moles is calculated by dividing the given mass with molecular mass.

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.