Which of the following measurements has the highest uncertainty? a. 157. 67 b. 340 c. 190 d. 189.4

Q: A measurement of the mass of a specimen was determined to be 4.203 +- 0.001 g. What is fractional…

A:

Q: The proton has a radius of approximately 1.0 * 10^-13cm and a mass of 1.7* 10^-24g. Determine the…

A: The density can be calculated by dividing the mass of proton with its volume.

Q: New August 3 , 2021. A method of analysis yields masses of gold that are low by 4 mg. Calculate the…

A: The solution is given below -

Q: 103. A thief uses a bag of sand to replace a gold statue that sits on alweight-sensitive, alarmed…

A: Note: According to the guidelines, solution of question number 103 has been done. For the expert…

Q: When a 10 mL graduated cylinder is filled to the 10 mL mark, the mass of the water was measured to…

A:

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: A proton has a radius of approximately 1.0×10−13 cmcm and a mass of 1.7×10−24 gg. Determine the…

A:

Q: round 233.356 two significant figures

A: There are three rules on determining how many significant figures are in a number:Non-zero digits…

Q: 7. Average human body temperature is 37 °C or 310 K, and at that temperature oxygen is a and water…

A: The given blanks has to be filled with correct one.

Q: Grivon atom 5tmm Gmtama 25Mm mamy Aet meutrons? धविक तुन्प्म बलऊणर४ ?

A: The symbol of the atom is Mn2557.

Q: Observer (a) Observer (b) CI, Observer (c) (d) Observer (e) (f) Observer Observer Br

A: Newman projection visualizes the conformation of a chemical bond of alkane from front to back, with…

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: A large piece of jewelry has a mass of 132.6 g. A graduated cylinder initially contains 48.6 mL…

A:

Q: 1.1 A 50.0 g aluminium disk at 300 °C is placed in 200 cm' of ethyl alcohol at 10 °C, then removed…

A: A 50.0 g aluminium disk at 300 °C is placed in 200 cm³ of ethyl alcohol at 10 °C, then removed after…

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: How does the uncertainty in measurements affects the outcome of an experiment?

A: Error has to do with uncertainty in measurements that nothing can be done about. If a measurement is…

Q: What is the law of conservation of mass? Mulrple Choice Mass can nevet be chancged to energY Gravity…

A:

Q: Pellets of a certain substance are found to weigh 18.75 g. A volume of 13.5 mL of water is added to…

A: Given the weight of substance is 18.75 g. Volume can be calculated as follows:

Q: 49) Calculate the length of a copper wire having a diameter of 0.200 cm and a mass of 15.620 g. The…

A: The given values are: Diameter of wire is 0.200 cm.Mass is 15.620 g.Density of copper is 8.92 g/cm3

Q: Round 0.054321 to 4 significant figures

A: If the last digit in the given number is greater than 5 , then we have to add 1 to second last digit…

Q: MCQ 25: Fireworks release energy in the form of A. heat B. light C. sound D. all of above

A: We know that,. Firework happen then three phenomena appear, 1)Heat 2)Light 3)Sound

Q: Part B 54.6 g N2 Express your answer using three significant figures. VO AZ ΑΣΦ N = %3D Submit…

A: First of all calculate the moles of N2 by using formula - mole = mass/molar mass

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: Suppose you are a brave soldier and working for the defense of your country. You joined the army on…

A: Age at the time of entering the cave = 20 years Age at the time of coming out of the cave = 80 years…

Q: William Higginbotham invented the Tenuss T/F

A: William Higinbotham was a scientist famous for the development of the radar devices used in World…

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: visible light (490 nm ) Express your answer using three significant figures. > View Available…

A:

Q: Which of the scientist's contribution to the Atomic Theory do you consider to be the most…

A: Neil Bohr's findings are most significant.

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: Express 1 dm ^3 as cm^3

A: A unit dm3 stands for cubic decimeter. A unit cm3 stands for cubic centimeter.

Q: While excavating ancient remains, an archaeologist discovers a box of minted coins. The nineteen…

A: Given: Mass of coins = 1.23 lbs. Melting point of coins = 1981 oF And the change in volume of the…

Q: Compare the objects and masses from Part III. Which measurement included the highest percent of…

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Q: a) e= 4 てキこアル Mg=-12 %3D ヘ=z Ma=+3 Mg= t/z C) e =3 Me=-3 Mg n ナ/2 ms D) e=3 Me=-3

A:

Q: Osmium, one of the heaviest elements with a density of 22.5g/cm3. What is the mass of 15.0 cm3 of…

A: mass = density x volume

Q: Determine the volume of a sample of copper in (m³) with a mass of 2.2 x 105 tons and a density of…

A: Density of the solution is equal to ratio of mass to volume of solution. Density=MassVolume Unit of…

Q: these

A: According to the question, we need to determine which theory is an acceptable theory today.

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: A student weighed 60.00 mg of sulfur in the lab. Convert this mass to ug and dg

A: 1 mg = 1000 microgram (ug) 1 mg = 0.01 decigram (dg) Given amount = 60.00 mg

Q: Part B 125. ft to cm Express your answer using three significant figures. L2 = %3D

A:

Q: 5. A student tests an unknown substance that she believes to be a metal. Which of the following…

A: Metals are usually crystalline solids. In most cases, they have a relatively simple crystal…

Q: Calculate the average mass for the given data set. Trial Mass 1 2.5461 2 2.5008 3 2.4699 4 2.4687 5…

A:

Q: CI CI (d) Observer

A: Here we have to write Newman projection of the following given molecules.  It is method to represent…

Q: Discuss several political,social or personal considerations that might affect a scientist's…

A: Scientists are human. They have prejudices, they can misinterpret data and get emotionally attached…

Q: Comparing density: lithium thallium neon bismuth most similar to potassium least similar to…

A: Potassium is denoted by K. The density of K (potassium) is 0.862 g/cm3.

Q: if there is uncertainty associated with mass readings, what is the uncertainty associated with each…

A:

Q: Complete each of the following equations by adding the missing species:

A: In radioactive reactions, the products can be obtained by adding or subtracting the mass numbers and…

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

A:

Q: Anything that is observed or measured about a sample of matter is called a(n)?

A:

Q: Why should repetitive measurements always be made, if possible, when performing an experiment.…

A: Repetitive measurements are nothing taking more than trial for single measurement. We have to…