Answer 10 and 11

Q: Three moles of ideal gas expand from 0.02 to 0.06 m³ in a free expansion. What is the change in…

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Q: nm HIT ADD FACTOR X 10-6 = 3.50 x 10³ 3.50 x 10² 3.50 spider's silk In 0.001 3.50 x 10-9 nm DELETE…

A: 68. Given,The diameter of a strand of spider's silk is 3.50 micrometers .Required,…

Q: Each blank has one correct answer( see figure 5-4):  Answer choices for blank 1: A and B   A and C…

A: The resonance figures of the compound H are shown belowWe have to determine the correct two…

Q: What is a 99% confidence interval uncertainty of the slope when we are given a trendline with a…

A: The aim is to calculate the confidence interval for the slope to explain the range of values that…

Q: reagent to complete each reaction. Ignore inorganic byproducts. ++ ye ⠀⠀ U 31. Select to Draw 80 HCI…

A: Alkynes undergo addition reactions when treated with Cl2 or HCl or Br2.

Q: pH = 8.03 Express your answer using two significant figures. [H3O+]= Submit Part D [H3O+]= VE ΑΣΦ pH…

A: The question is based on the concept of pH of the solution.  it is defined as a negative logarithm…

Q: Which of the following mechanisms is drawn correctly? Remember to check arrows, formal charges,…

A: This reaction follows E1cb mechanism i.e, Elimination Unimolecular conjugate base, that first base…

Q: a. Draw the Lewis StruUcture of the following molecules. b. Write the Electronegativity…

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Q: 1. First, how do we find the pressure of the unknown gas inside the graduated cylinder? How do we…

A: 1) If we See inside the cylinder we have Gas And Water Vapours both of them. Now pressure is…

Q: A student performs the experiment and acquires a mass of 9.25g for a 10mL addition of 12

A: Part 2: Mass of water = 9.25 g Volume of water = 10 mL To determine: Percent error for this trial

Q: Hi was wondering how to solve number 4

A: Pentane is a hydrocarbon. The equations for the complete and incomplete reactions are written in the…

Q: Calculate the mean, and median for each set of data.  a. 6.37, 6.33, 6.41, 6.80 b. 6.37, 6.33,…

A: Given data part(a) : 6.37,6.33,6.41,6.80 part(b) : 6.37,6.33,6.41,6.93…

Q: Question 5 (6.54 x 104)3 =?

A: Given : (6.54 X 10-4 )3

Q: 8. A block occupied 0.2587ft3. What is its volume in mm3? 9. If you are going 55mph. What is your…

A: we have to perform the given conversions  0.2587ft3  to mm3 55mph to nm per second?

Q: u please answer

A: Matter is something that occupies space and has some mass.  Elements and compounds tells about the…

Q: Part C [OH-]=5.4 x 10-4 M Express your answer using two decimal places. pH = Submit Part D 15. ΑΣΦ…

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Q: 04 on OH OH

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Q: 8. The four gases above are under the same conditions. In other words, each container has the same…

A: We will use concept of ideal gas equation. PV= nRT

Q: 25-mL Graduated Cylind

A: Graduated cylinder has numbers on side that help you to determine the volume.water sticks the…

Q: tl e tl a

A: Given the equation of the calibration curve, Y = 0.035x + 0.0148, and the absorbance values,…

Q: [H3O'] = 5.4x10-10 M Express your answer using two decimal places. ? reset pH =

A: Given details, H3O+ = 5.4 × 10-10M To calculate the pH.

Q: Find the mean volume and average deviation from the mean

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Q: Compounds Theoretical Value of Surface Tension at 20°C, dyne/cm Calculated Surface Tension at 20°C,…

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Q: Na NaH H

A: Given us a series of reactions

Q: Quèstion 16 State two characteristics of a primary standard.

A: In redox titration primary standard such as pure  iron, sodium oxalate is used .

Q: Based on the information given, identify the most significant error in the preparation of Graph 2.…

A: Analysis of Graph 2:Title Font Size (Option A):The title font size seems appropriate for the graph,…

Q: 19. What is the precision in milliliter (mL) of the volumetric instrument below? SO 4788 50:2ml RAND…

A: It is 50 ml measuring cylinder. There are 4 lines in between every 10ml  gap.

Q: Six measurements are obtained for the mass of water delivered by a calibrated volumetric pipet:…

A: According to the question, we have six measurements for the mass of water and we need to calculate…

Q: In order to calibrate a pipet, you obtain the following data:   # of drops mL Trial 1 30 0.72…

A: Given- Trial number Number of drops mL Trial 1   30 0.72 Trial 2 30 0.77 Trial 3 30…

Q: Perform the Q-test on the following percent KHP values: 35.87 % 36.40 % 37.04 % 39.98 % Select all…

A: Q test is used to identify outlier within the test data. (1) Arrange in increasing order of…

Q: Two analytical methods (potentiometry and amperometry) were used to determine the concentration of…

A: Q5)1)option 2 - 1.726 Q5)2) option 2 - Yes,they produce the similar results

Q: milk of magnesia with [H3O+] = 2.0 × 10-M X Express your answer using two significant figures.

A: Given data : [H3O+] = 2.0 × 10-9 M

Q: How would you simplify the following expression?

A: The uncertainty is L213-12π2-L22. We have to simplify the above expression.

Q: Why should the syringe be removed from the sensor when setting the initial volume for each trial?

A: Option C

Q: Perform the calculation and record the answer with the correct number of significant figures.…

A: We have been given a calculation and we have been asked to perform given calculation and record the…

Q: Question 2 The detector is the part that computes the area of the peaks of the gas. O True O False

A: The area of a peak is proportional to amount of the compound that is prese detector  is a device…

Q: The answer was off its 1.4 M  Thanks for nothing!

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Q: Describe the differences between gravity and vacuum filtration

A: Please have a look on the solution:

Q: An electric current of 463.0 mA flows for 43.0 minutes. Calculate the amount of electric charge…

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Q: Weight of coin 1 (g) 11.4286 Weight of coin 2 (g) 11.4633 Weight of coin 3 (g)…

A: Solution -

Q: CI -NO₂ NaOCH₂CH3 heat ?

A: The objective is to determine the product of the given reaction.

Q: None

A: Step 1:Scientific notation : The general representation of scientific notation is -a×10bWhere, a is…

Q: STARTING AMOUNT esc X 0.0833 ADD FACTOR *( ) Oll (1)² O Convert 3.2 12 GE Question 9 of 40 C 3.2 ft²…

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Q: What is the answer in ML?

A: Volume can be converted in mL using conversion factor .

Q: All except c are correct

A: For base first we need to calculate the concentration of OH- using the Kb and concentration of base.…

Q: HN NaBH 3 CN -~

A: The given reaction 8s a example of nucleophilic addition reaction.In the first step nucleophilic…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.