The carbon-14 activity in papyrus growing along the Nile River today is 231 decay events per kilogram of carbon. If a papyrus scroll found in the ruins from ancient Egypt has a carbon-14 activity of 140 decay events per kilogram of carbon, how old is the scroll? x 10 years-

Q: 8. Conversion problem a. 25.345 g/ml is converted to kg/cm³ b. 203.77 miles/sec is converted to…

A: Solution : These conversions can be done by unitary method.

Q: What is the volume of the following? A. 25g iodine; density=4.93g/cm³ B. 226g carbon;…

A: Given :  A. 25g iodine; density=4.93g/cm³   B. 226g carbon; density=0.089g/cm³  A. 6.00cm³ bromine;…

Q: whats the differerence between 24k gold being a substance and element and 14k gold being a mixture…

A: Differerence between 24k gold and 14k gold:

Q: What is 21.1 miles/hour in furlongs/fortnight? (8 furlongs = 1 mile = 1 fortnight) %3D 168.8 $1x om…

A:

Q: 100.-kg individual the larger de FISWGUI2 Children's Liquid Motrin contains 100. mg of the pain…

A: 1 teaspoon = 5 ml (Given) The medicine contains 100 mg of Ibuprofen per 5 ml which is the same as…

Q: Complete the table below relating the values. Each value is =0, >0, or <0

A: We have knowledge about two equations: One is Nernst Equation according to this, Second is…

Q: wha H-0マ a. b. + H,N- ->

A: Here the first reaction is between acid chloride and alcohol, and the second reaction is between…

Q: What is the mass of the following? a. 25g iodine; density=4.93g/cm³ b. 1000 mL octane;…

A:

Q: 5. Complete the following conversions 10.68 g to mg e. 2.00 in? to cm? b. 6.8 x 10* mg to kg c. 25.0…

A: According to our policy we should solve one question ( If any subpart present then we solve  first…

Q: 5. An Olympic-size pool is 50.0 m long and 25.0 m wide. C. How many gallons of water (d = 0.998 g…

A: 5. Length of the Olympic-size pool = 50 m.Width of the pool = 25 m.Density of water = 0.998…

Q: 14K yellow gold is an alloy that contains gold, copper and silver. A 14K gold ring contains 6.90g of…

A:

Q: What is the density (g/mL) of a cube that has equal sides of 12 inches and weighs 491 pounds? The…

A: The density of the cube is 7.87 g/cm3 and the metal here is Fe

Q: A sample is said to be homogeneous if 1. OThe sample has a different composition in different parts…

A: Correct answer is (2.) The sample is completely mixed up. Homogenous mixture has uniform mixture and…

Q: Professor Gomez's dogJasper, is a very anxious little guy, so she baked him some treats that contain…

A: Treat contains 150ug (microgram) melatonin. The recommended dose is 0.1 milligrams of melatonin per…

Q: Calculate the amount of heat needed to boil 96.0 g of ethanol (CH₂CH₂OH), beginning from a…

A:

Q: 7. What kind of a compound is KN and how do you know this? Draw a representation of three units of…

A:

Q: Calculate the density of 50.0 g of an isopropyl alcohol-water mixture (commercial rubbing alcohol)…

A: Mass of isopropyl alcohol-water mixture = 50.0 g Volume = 63.6 mL Density = ?

Q: Prior to 1983, pennies were made almost entirely of copper. If the scrap value of copper is $3.89…

A: Given: Mass of each penny = 2.95 g = 0.00650364 lb Scrap value of copper per pound = $3.89 Number of…

Q: 7. Carryout the following conversions. (a) 25.0 m to km

A: The equation speed = distance/time to solve for distance gives distance = speed *time.1 Km =1000m

Q: A new linear temperature scale, degrees Zunzol (Z), is based on the freezing point and boiling point…

A:

Q: 6. 1.23 x 104 is equal to A. 0.0000123 B. 0.000123 C. 1.230000 D. 123000 E. 1230000

A: 1.23 × 10-4 is equal to

Q: 7. A submarine cruises through the water at a speed of 26.4 nautical miles per hour. If there are…

A: Question-7 Given data speed of submarine =26.4 nautical mileshr and  1.15 regular miles=1 nautical…

Q: 7.90 kilograms (Kg) to pounds (Ibs)

A:

Q: 2. If gasoline has a volume of 2.753 ft3, Calculate the weight of gasoline in kilograms if its…

A: Given,  Volume of gasoline = 2.753 ft3  Density of gasoline = 1.3 slugs/ft3  Weight of the gasoline…

Q: 6. A piece of solid A has twice the volume of a sample of liquid B. And, B has twice the mass of A.…

A:

Q: 8. A 12-oz can of soda costs 50-cents. A 2.0-L of the same soda is on sale for $1.29. How many times…

A: The unit conversion can be done by multiplying or dividing the given units by appropriate numbers.…

Q: If the scrap value of copper is $3.81 per pound, and each penny contains 2.95 g of copper, what is…

A: Unit conversion refers conversion of a physical quantity from one unit to another unit of same…

Q: Br

A: We have to find a reaction scheme

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.