Estimated volume of crucible 25.0 mL  measured volume of crucible 23.0 mL  percent error of estimate (% error=accepted value-experimental value/accepted value ) volume in (use measured volume of crucibleto answer for the ):  kL cL

Q: R BWA - Business CommunicationX Chapter 1 ivers X B Copper can be drawn into thi…

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Q: S l2yובCll וו ! azis 1. Calculate the density of the first marble by using the recorded mass and…

A: Step 1 :        Hey since you have posted multiple questions , we will answerfirst question only .…

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Q: any grams ore prosent in 5.39 modes

A: Given: The moles of AgNO3, (n) = 5.39 mol. The molar mass of AgNO3, (M) = 169.87 g/mol.

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A: Given the experimental final temperature, T = 23.04 oC Since water is at higher temperature, it will…

Q: 123 mL of 0.120 M NANO3 Express your answer to three significant figures. > View Available Hint(s)…

A: Given 123ml of 0.120 M NaNO3 find the weight of solute

Q: 40 electio 2.2 Sphere x has an axcess of 40 etectrons uhe y is neutiul. 2.25 culculute Hhe cluis on…

A: 2.1.1 -64 * 10-19 2.2.1- Quantisation 2.1.3 - X to Y 2.1.4- Q =-32* 10-19 2.1.5 - Electrostatic…

Q: 9. Scientifically valid answer for, 1.5 × 10³ + 3.14 x 10ª – 1.21 × 10² А. 3.28 х 104 9. В. 3.30 х…

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Q: used a 50-mL eudiometer while Group Y used a longer 100-mL eudiometer. After the experiment, both…

A: the volume readings in their eudiometers compareGroup X > Group Y

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Q: od Part A Alexandra decides to climb Mt. Krumpett, which is 5000 m high. She determines that this…

A: Given, Each bar contains Mass of carbohydrate = 50 g Mass of fat = 10 g Mass of protein = 40 g Total…

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A: From given  Volume is calculated as follows

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Q: For the image attached Make a graph of the average mass vs year. Please label y and x axes

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A: In the experimental data we have to calculate the average mass of unknown gas, density and Standard…

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A: From the reaction stoichiometry it is evident that 1 bicarbonate releases 1 carbon dioxide molecule,…

Q: 13. The mass of water delivered by a buret is 11.8159 g at 15 °C. What is the calculated actual…

A: Density is defined as mass of the substance upon the volume occupied   density = mass / volume…

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A: Explain the difference between: d. absolute and relative error e. population mean and sample mean f.…

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Q: Question 7, Saved Listen Systematic error affects the accuracy of a result.

A: Systematic error

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Q: Given: Density @23°C = 0.99755 g / mL Total volume Mass of Mass flask Mass of True volume Correction…

A: The data given is,

Q: Assume it takes 7 minutes to fill a 30 gallon gasoline tank. Determine the time interval, in hours,…

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Q: 6. What is the difference between ACCURACY and PRECISION?

A: Accuracy:The measurement of how close the calculated value to the standard value is said to be…

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A: Percent error :-  Percent error is dined as "The difference between the measured value and the…

Q: Describe a method to determine the volume of a very small needle. Please make an explanation.

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Q: G. An irregularly-shaped sample of aluminum (- put on a balance and found to have a mass of 43 9.…

A: Volume of copper = Difference in the water levels…

Q: an empty via weight 65.32g. if the vial weights 195.62 when filled with liquid mercury (d=13.53gcm³)…

A: Density of liquids is calculated by dividing their mass by the volume they tend to occupy.

Q: A balloon is filled with methane of density 0.75 kg/m³. Let the density of air is 1.25 kg/m³. Find…

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Q: How do I calculate the number of moles of potassium permanganate used in each titration?

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Unit Conversion (Round to 3 Sig Digs at ending) 6.0 × 10−9 m to pm

A: Unit conversion can be done by the unitary method and following the significant figure rule.

Q: A 25 mL pipet delivers 24.7761 g H2O which is weighed against brass weights at 25°C. Calculate the…

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Q: Convert 0.272 L/min to units of microliters per hour. Show the unit analysis by dragging the…

A: Given : Value in L/min = 0.272 L/min.

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…

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Q: ple Choice 049 46 x 103 O 58 x 103

A: According to the question, for the reaction 4CuO(s) ----> 2Cu2O(s)+O2(g)    Kp= 0.49 at T=1024…

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Q: Which of the following conversions are correct? Select all that apply. OA. g.64 in, = 21.9 cm

A: Answer: Correct: A,B

Q: WA physician orders an IV of 40 mEq of potassium chloride in 1,000 mL NS to run at 125 mL/hr. How…

A: NS  - having 40 mEq of Potassium chloride  in 1000 ml  125 ml is giving every hour  as per physician…

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A: When we use units of some quantities we have to follow only a one single system of unit (generally…

Q: 58. Apply Graph mass versus volume for the data given in the table wh slope of the line? Volume…

A: The slope of a plot is =dYdX =Change in YChange in X =Y2 - Y1X2-X1

Q: Given: wt NaOH = 10.0g        Density of NaOH= 2.16 g/ml        Wt. H2O = 200g       Density of H2O=…

A: Molarity of a solution may be calculated by dividing the number of moles of solute by the volume of…

Q: Also we have a mixture for gas is hydrogen helium neon and nitrogen sealed in a container of -50…

A: From kinetic theory of gases, the root-mean-square velocity of a gas is given by the formula:vRMS =…

Q: Two groups did the Chem 16.1 Experiment 10 with exactly the same mass of Mg, temperature, and…

A: volume readings in their eudiometers compare Option c is correct as  Group X > GroupY

Q: Using the following mass standard data, calculate the Rx value. mass of mass of area of area of…

A: Answer - Rx value - It is defined as the ratio of the distance travelled by the compound at its…

Q: thickness

A: