When the calculation (0.005215)(0.08212)(273.2)/ (4.1) is performed, the answer should be reported to ______ significant digits. Explain your answer.

Q: what is the measurement, uncertainty, and nuber of significant figures?

A: Interpretation - To explain the measurement, uncertainty and number of significant figures in the…

Q: An electric current of 21.10 A transports 880. μC of charge. Calculate the time this took. Be sure…

A:

Q: 15. In preparing a certain ointment, a pharmacist used 28.35 grams of zinc oxide instead of the 31.1…

A: Given, mass of zinc oxide (used) = 28.35 g mass of zinc oxide (required) = 31.1 g

Q: A student did not read the graduated cylinder correctly. He thought it said 25.0 mL when it really…

A:

Q: Round off 0.007807 to three significant figures. Enter your answer in the provided box.

A:

Q: or the following results:  1.87 g/mL, 1.96 g/mL, 1.88 g/mL, 1.85 g/mL.  If the actual value for the…

A: The approximation error in some data is the discrepancy between an exact value and some…

Q: What is the uncertainty in the measured value 12.37040 after it is rounded to the following number…

A: Significant figures- Uncertainty in measured value leads to uncertainty in calculated results.…

Q: Compute 4.659 × 10ª – 2.14 × 10ª. Round the answer appropriately. Express your answer as an integer…

A: We have to compute given equation .

Q: Which of these measurements was made with the most precise measuring device: 8.1956 m, 8.20 m, or…

A: Precision is a state to which a process or instrument will give exact values repeatedly or we can…

Q: How many significant figures in 0.001500 m? Group of answer choices

A: Rules for significant figures. 1) All non zero digits are considered as significant.  ex: 6789 has…

Q: Measurements have shown that the concentration of salt in seawater is 35.5 g·L 1 '. Calculate the…

A: Concentration is basically the availability of the solute per unit volume of solution. It is usually…

Q: Mn³+ + e- → Mn²+ E = +0.32 v2+ + 2e → V E = -0.49 - (the answer should be entered with 3 DIGITS; and…

A: Ecell =Ecathode- Eanode Cathode is  Vanadium  anode is Manganese

Q: the true density of methanol is 0.792 g/mL based on the answer 0.762 what is the percent error of…

A: Given— True density = 0.792 g/ ml Measured density = 0.762 g/ml

Q: The density of a metal is 8.67 g/cm³. How many pounds are in 298.86 in3 of the metal? (You can use…

A: Given  Density of metal = 8.67 gram/cm3 Volume = 298.86 inch3 Mass in pounds = ?

Q: How would I write 97,820 in standard scientific notation?

A: Scientific notations are used to express the very large or very small numbers in more convenient…

Q: Compute 1240.64/12.5. Round the answer appropriately. Express your answer numerically using the…

A: According to the rule for significant digits in multiplication and division, the number of…

Q: In the UV assay of paracetamol you are required to weigh tablet powder “…containing 0.150 g of…

A: Answer : 1 tablet should contain  500 mg of paracetamol so  20 tablet contains  = 500*20 = 10000 mg…

Q: If you have a pOH of 3.65 the [OH-] would be ____M.   You only need to type the number in the box…

A: of the solution is negative base-10 logarithm of hydroxide ion concentration. …… (1) 3.65…

Q: ow many significant figures are there in the number 0.032020?   Group of answer choices a) 4 b) 6…

A: The significant figures can be defined as the digits in the given number that carry some meaning and…

Q: If you have a pOH of 3.65 the [OH] would be M. You only need to type the number in the box the unit…

A: Introduction: According to Bronsted and Lowry concept, an acid is a substance that can donate H+…

Q: The smallest bone in the human body, which is in the ear, has a mass of 0.0030 g. What is the mass…

A: Given mass of bone = 0.0030 g To calculate its mass in pounds.

Q: 9. Express 96.342 m using 2 significant figures The answer is

A: Rules for determining significant figures : 1) All non zero digit are significant. Example, 123…

Q: What must you think if someone indicated a paced distance as being 298.73 ft?

A: Please find your solution below : Pacing is the process of walking the distance and counting the…

Q: In the UV assay of paracetamol you are required to weigh tablet powder “…containing 0.150 g of…

A: Answer : weight of 1 tablet = mass of tablet  /  no. of tablet  = 11.223/20 = 0.56115 g as 1 mg =…

Q: the seperation of carbon atoms is diamond is 0.154 n, what is their seperation in meters

A: The separation of carbon atoms in diamond is 0.154 nm.

Q: (a) The diameter of Earth at the equator is 7926.381 mi.Round this number to three significant…

A: (a) Given, diameter of earth = 7926.381 mi which is approximate equal to 7930 mi. Hence, the…

Q: Express the following number in a scientific notation: 0.000010024uL

A: Introduction In scientific notation, a particular number is expressed in a way as follows: p x 10n…

Q: The uncertainty in the measurement 0.0035 mg is

A: The mentioning of the number of significant figures is quite helpful in determining the uncertainty…

Q: A method of analysis yields weights for gold that are low by 0.3mg. Calculate the % relative  error…

A: We need to determine the percent relative error.

Q: How do I solve this problem using dimensional analysis? Copper can be drawn into thin wires. How…

A: Copper is malleable and ductile metal which can easily change to wires and sheets. This is because…

Q: An internist asks you to give 5 mcg per kg of body weight of a medication to a 264 lb patient. The…

A: The solution is given below-

Q: Complete the following problems using correct significant figures. pKb = 10.35 kb = Please…

A: Kb is the base dissociation constant and pKb = -log Kb. So, pKb is used to determine the strength of…

Q: 1. Suppose that after delivery several drops of the water cling to the inner wall of the piper…

A: (a) we know that  density = Mass / Volume.If the volume is short to what it should be then your…

Q: In a certain population, body weights are normally distributed with a mean of 152 pounds and a…

A: To find people must be surveyed if we want to estimate the percentage:

Q: The mass of a glass beaker is known to be 24.4 gg. Approximately 5 mLmL of water are added, and the…

A: Given, mass of a glass beaker = 24.4 g

Q: How many significant figures does 3.005 have?

A: Digits which are responsible for contributing the degree of accuracy of a value are called…

Q: How many digits after the decimal point should be reported when the calculation (10.434 – 9.3344) is…

A: Introduction: For addition and subtraction, the product should have a similar number of decimal…

Q: Round 0.03259651 to four significant figures

A: Rounding off a number means neglecting some digit which will not change the value of the number…

Q: converting 64400 to scientific notation with 3 significant figures

A: Converting a number to its scientific notationHere we have to convert 64400 to its scientific…

Q: Compute 1240.64 /6.4. Round the answer appropriately. Express your answer numerically using the…

A: Answers are attached below

Q: Round each of the following numbers to four significant figures and express the result in standard…

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Q: Express the quantity 254934 m in each of the following. dm Express your answer using six significant…

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Q: How many significant digits in 219900?

A: * The non-zero number is ALWAYS significant  245 has 3 significant figures  * Any zero between…

Q: The specific gravity of a vegetable oil is 0.92. What is the mass , in grams, of 550mL of vegetable…

A: Specific gravity=Density of liquid/ density of water The specific gravity of vegetable oil= 0.92…

Q: It takes 10.5 s for a sprinter to run 100.00 m. Calculate her averagespeed in meters per second and…

A: The distance travelled by any object per unit time is termed as the speed of the object. Given:…

Q: If a standard dose of warfarin is 28mg/kg how much of your medication in grams, would you give if…

A: Given: Dose = 28 mg/Kg weight Weight of patient = 177 lbs Number of tablets consumed = 4 And the…

Q: What mass of NaCl to you need to dissolve in order to prepare 2.500 L of 0.325 M solution?

A: Given: Volume of solution = 2.500L Molarity of solution = 0.325M Calculate the moles of solute.…

Q: Based on the given data, what is the Àmax of copp 0.1 M Copper 300 0.157 325 0.233 350 0.465 375…

A: Given : We have to tell lambda max for 0.1 M copper.

Q: Express the quantity 254934 m in each of the following. Tm Express your answer using six significant…

A: Convert quantity 254934 m in each of the Tm (terameter). This question is related to conversion of…

Q: The table below shows the temperature data for a corn field in the month of April. From thace data,…

A: Growing degree units : During the growing season of plants and crops , it is the unit to monitor…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.