The radioactive element carbon 14 has a 1/2 life of 5750 years a scientist determined that the bones from a mascot on had last year to 2.8% of their cardboard 14 how old were the booms at the time they were discovered wrong to the nearest integer as needed

Q: 59, 27 209Bi X>Co+-10ß 1, 83Bİ →p + X 1. on +X 213 854t → ón + X

A: Solution -

Q: n an old movie, an archeologist is shown sprinting off with a gold statue. If the volume of the…

A:

Q: You are measuring the speeds of two particles at the same conditions. The more massive particle will…

A: If two molecule having same energy  at same condition. Kinetic  energy only  depend on temperature .

Q: Could the nugget be made of gold? Match the words in the left column to the appropriate blanks in…

A: Since the nugget is basically a small chunk of gold and other precious metals.

Q: Answers must have the correct number of significant figures for full credit. 1. A student in…

A:

Q: For the following problem show your work for credit above your answer. Also, for credit, your math…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: you are designing a rocket engine th uses a mixture of hydrazine and water as a propellant. this…

A:

Q: Explain what is meant by each of the following terms:a. errorb. uncertainty

A: Measurements invariably involve errors and uncertainties. It is impossible to perform a chemical…

Q: 9/files/1635224?module_item id%3D759376 P FormA.pdf 1e1f19_FormA.pdf (161 KB) > of 7 Page < ZOOM +…

A: The term density can be defined as the measurement which can be used to compare the amount of the…

Q: Rule: When we add or subtract numbers, we should round the result to the same number of decimal…

A: The answer for addition or subtraction of numbers with decimals is expressed as the decimals that…

Q: 1-2) The Atomic Hotel The Atomic Hotel is a special hotel designed for electrons. The hotel has a…

A: We need to determine the electrons which do not follow Aufbau principle and Pauli Exclusion…

Q: Green plants absorb sunlight to power photosynthesis, the chemical synthesis of food from water and…

A: Plants uses light for photosynthesis to prepare their food as follows:…

Q: The radio station 102.9 FM broadcasts at a frequency of 102.9 MHz (where 1 MHz = 106 Hz). What is…

A: Given: The frequency of the broadcast is 102.9 MHz. The relationship between wavelength and…

Q: The ± relative error in the density of a metal rod is determined to be + 0.02. If the calculated…

A: The error in the density is given as ±0.02. And the density value calculated is 8.6321947.

Q: Explain what is meant by the n+1 rule?

A: The arrangement of the electrons in the different atomic orbital of an atom is known as the…

Q: By how many grams will the total mass of the two electrodes change during this time period? The…

A:

Q: The subatomic particle known as the proton has a mass of 1.67x10-24 g and a diameter of 1.00x10-13…

A: Density is the measure of mass per unit volume. Given data:  Mass of proton = 1.67 × 10-24 g,…

Q: 3. carbon occurs in nature in the form of two isotopes: 120 and 130. Calculate the percentage of…

A: The formula used for average atomic mass (AAM)    AAM = ∑ isotopic mass x abundance /100 Where…

Q: A 14-karat gold ring contains 58.3% gold and weighs 12.41 g. If gold sells for $308.00/ounce, what…

A: Given: weight of ring = 12.41 g mass of percent of gold in ring = 58.3 % gold sells for =…

Q: Period 3 The table below shows two physical properties of four substances temperature(28 oC). Which…

A:

Q: Humans have three types of cone cells in their eyes, which are responsible for color vision. Each…

A:

Q: Q16. What is the mass % of A) 60%A, 10%C C) 30%A, 20%B components A, B and C at the point x? B) 10…

A: Given is a ternary phase diagram, also called the Gibb's phase triangle, consisting of three…

Q: If a 1.00m piece of magnesium has a mass of 1.2500g, what is the mass of 3.48cm?

A: The given mass of the piece of 1.00 metre  of Mg=1.2500g Since ,the 1 metre =100cm Hence, The given…

Q: An FM radio station broadcasts news at 98.0 MHz. What is the frequency of this FM radio wave in…

A: The relation between frequency and wavelength is given by, c=λν where λ is the wavelength and ν is…

Q: calculate the percent error

A: 1. Actual density = 1.15 g/mL Theoretical density = 1.0 g/mL % error = (Actual - Theoretical) /…

Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.5 g/cm3.

A: Given that the diameter of star =6×105 km. Since, diameter= 2r So radius is calculated as: Now, the…

Q: 1) The hydrated salt Al(NO3)3 nH20 is 7.194% by mass of aluminum. Calculate the value of n.

A:

Q: 8. A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 4. Complete the following table:" Element Physical Color Physical Metal/nonmetal/ Boiling Pt./…

A: Out of the given elements, Na, Mg, Zn, Sn and Fe are metals whereas S and Br are non- metals. Metals…

Q: Calculate the density of [110] of W

A:

Q: 1.) Light has no mass so it also has no energy according to Einstein, but how can sunlight warm the…

A: As you not sepcify so I am giving answer of 1question  Light has no rest mass it's means when light…

Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.3 g/cm3.

A:

Q: Given the following mass doublet values (in units of 10- u), compute the corresponding values for…

A: (1) m(C3H) - m(37Cl) = +41922.2 /-0.3 in (10-6 u) =  +0.0419222/-0.0000003 So 3m(12C) + m(1H) -…

Q: Distinguish between the key features of Charles's Law and Boyle's Law. Charles's Law Boyle's Law…

A:

Q: V sphere %3D 3 Osmium (Os) is a transition metal which has a density of 2.257 x 104 kg/m at 20°C. A…

A:

Q: Incomplete The closest star, other than the sun, to earth is Alpha Centauri, which is 2.57 x 1013…

A: The distance of newly discovered strat from the earth is 6.45×1016 miles. The speed of light is…

Q: 1H,2H, and 3H are examples of because they have different numbers of

A: No.of protons = atomic number  Number of neutrons = mass no. - atomic number   Mass number = protons…

Q: 2. Discuss the effect of temperature to density.

A: The density of a substance is it's mass per unit volume

Q: Which of the following formulas can be reduced to a smaller whole number relationship among atoms?…

A:

Q: Calculate the density and the uncertainty of an Al cylinder using the following data. Metal AI Mass…

A:

Q: Perform the following calculations and round your answer correctly: a. 345 + 22.5 =  b. 22.5 -…

A: These are simple mathematical operations  Addition and subtraction respectively.  Which can be…

Q: your math, check that you used the right data and DID NOT round any intermediate calculations.…

A:

Q: Three fundamental states of matter are represented in the diagrams below. States of Matter II II…

A: Kinetic Energy is decided on the basis of arrangement of atoms. Tightly arranged = less kinetic…

Q: TRONIC STRUCTURE Interconverting the wavelength and frequency of.. X-rays have a wavelength small…

A:

Q: Steam at a temperature of 134 °C is vented into an aluminum cup of mass 218 grams containing 600…

A: Given, Initial temperature of steam= 134°C Final temperature = 20°C Iniatial temperature of…