Q: Proved 1pa=kg. m/s²
A:
Q: Cottoid partictes are- (a) Smaller tham Solu tion particles (b) range 5-1000g ७) खनठट (d) nge range…
A:
Q: a weighs 1.C
A: Heat capacity is calculated experimentally using a calorimeter. Heat capacity is the amount of…
Q: What are some main errors that could be encountered in the determining density lab experiment. How…
A: Density is mass (m) per unit of volume (V) ρ = m / VIn any density…
Q: The pharmacist attempts to weigh 80mg of sodium carbonate on a balance having a sensitivity…
A: Maximum weight which can be given is computed as: Maximum weight measured = Actual weight +…
Q: l a higher density tha
A: Explanation 4(A).Due to dipole-dipole interactions the boiling point and density of alkyl halide is…
Q: TWO procedures that can cause the result to have poor accuracy or precision in the experiment.
A: The two main procedure by which one will get wrong result and poor accuracy. One of them is…
Q: Can you explain why did it have to be multipled to the boxed conversion factor.
A: Given: Given mass (m) = 20 g NaCl Volume of solvent = 2 L…
Q: What is accuracy, in terms of a lab setting?
A: Accuracy is a measure of how close a measurement is to the correct or accepted value of the quantity…
Q: nat volume of pure O2 (g) C125
A:
Q: Why is a pipette more accurate than a burette?
A: Burette is a long glass cylinder with a stopcock at the bottom to release the liquid. Pipette has a…
Q: Mention 3 products available on the market where its specific gravity must be measured
A: Given data : Mention 3 products available on the market where its specific gravity must be…
Q: ge in tot
A: As we know, enthalpy change is the energy absorbed or emitted in a chemical reaction.
Q: Explain how detectors work in MS.
A: The role of detector is very crucial in mass spectrometry as it uses incident ion and help in…
Q: Identify the longest length.
A:
Q: 04 on OH OH
A:
Q: If V = 125ml at 755 mm Hg, find V (ml) at 780 mm Hg (temp, n = count)
A: At constant temperature T and no . of moles n , the ideal gas equation becomes: P1V1 = P2V2
Q: O deciding on the number of trials to perfom O determining the procedure O deciding on the…
A:
Q: Numbers 14 and 15
A: 14- Reaction mechanism A has one peak therefore it has one elementary step
Q: But why so different from the correct answer of .56
A:
Q: 2. With supplied data, perform the following analyses: I. Show relevant calculations II. Draw the…
A:
Q: a) By how much should the student expect their sample measurements to increase by? Why? b) Will…
A: (a) In spectrophotometry, the absorbance is directly proportional to the concentration of analyte…
Q: What impact would using a much smaller sample have on the accuracy of your results
A: A sample size that is too small increases the likelihood of a Type II error skewing the results,…
Q: Question 7, Saved Listen Systematic error affects the accuracy of a result.
A: Systematic error
Q: The accepted density of Manning is 18.00g/mL. Your lab team measures the density of Manning to be…
A:
Q: grams o
A:
Q: Zn(Hg) HCI A AICI3
A: The reaction given is,
Q: Please help me complete question 1 and 2.
A: Assumptions of Dalton's atomic theory: The matter is made up of tiny, indivisible, and…
Q: Level = 6ft of water (h20 density = 0.036 Ib/in^3) Find gauge reading in psi = Find gauge reading…
A: As it is known that- 2.31 feet of water head will be equal to 1 Pound per square inch (psi) psig:…
Q: b. Read the bar length properly.
A: The measurement given is,
Q: 1, how many seconds are required? re
A:
Q: The calculated Ccal will _________ if you insert into the test tube the thermometer and stopper…
A: Answer: No effect or No change.
Q: how to get from molairty to millliters? in conversion factors
A:
Q: plete the patrs. Size has a characteristic Usually burms up if it
A: Dear student I have given answer to your question in the image format
Q: I need help with question 1.4 and 1.5
A: Answer :- 1.4 ) Sulfuric acid (H2SO4)…
Q: Gas chromatography requires a sample size. O Much, much less than a gram O A gram or less 1 to 10…
A: The process of separating compound from a mixture by injecting the liquid or gaseous sample into the…
Q: of oxalic acid in the ALEKS Data resource. Round your answer to 2 significant digits. X
A:
Q: In another experiment, Fiscl
A: Not: as per guidelines if multiple subparts in a question, first three subparts are allowed ,…
Q: Give the wet ) that work for ALDE HY DES only. chemical tests (#1-6
A: Chemical tests for aldehydes:
Q: Determine the percent error for your laboratory
A: m=0.13g C= 4.184 J/g°C ∆T=34.8 - 23=11.8°C Heat q= mc∆T =0.13*4.184*11.8=6.41J…
Q: normality of the sample
A: CALCULATION OF NORMALITY
Q: wouldnt a nano be 10 -9?
A: Convert micro liter to nano liter
Q: Which purity of IPA has a higher density, 70% or 99%?
A: IPA is isopropyl alcohol. It is commonly used as a disinfectant within a pharmaceutical company. IPA…
Q: Why is the pipette more precise than a burette when measuring?
A: Burettes are larger than a pipette, it has a stopcock at the bottom to control the release of…
Q: Write about material testing in chemistry (main categories with examples)
A: A question about material testing in chemistry, which is to be accomplished.
Q: 40 85 50 pard 65 rastes 2 105 5 240 90 Total following: at you choose a basis of 100 kg as a waste…
A:
Q: I need help with how many miles there must have been in the sample?
A: Using the data provided, the number of moles of NaOH used in the titration can be calculated. This…
Q: NaOEt H. AICI; CI NaOMe
A: Since, you have multiple subparts questions so i will solved first three subparts for you and rest…
Q: need help wilth calculating percent relative error. What will be the real value when it comes to…
A: Percentage error is the difference between the estimated number and the actual number when compared…
Q: What do you believe was the most difficult part of the experiment?
A: The colligative properties deal with the modification of the properties that pertain to the solvent…
For question number 2 does that mean weigh the dish to 0.001g without clearing it ?
Step by step
Solved in 2 steps
- Please help me with answering the second part. I have tried 1.06, 1.02, 0.98469, 0.985. Thank you for your help in advance1A chemist measured the concentration of a solution three times and obtained the following results (in mol/L): 0.0147, 0.0146, 0.0148. Do the results appear precise, accurate, or neither? Explain. avenge =.0147 (pdimus.co 120 Doy Jine What information would you need for the results to be both precise and accurate? If the true value is 0.0149, calculate the percent error.Sucrose solution for experiment 1: (Question a-c)Prepare a solution of sucrose by accurately weighing 9.0 – 9.25 g of sucrose into a 100mLbeaker / conical flask. Record the mass of the sample. Add 25 mL distilled water. Mix until allcrystals dissolve.NaCl solution for experiment 2: (Question d-f)Prepare a solution of NaCl by accurately weighing approximately 1.5 g of NaCl into a 100 mLbeaker / conical flask. Record the mass of the sample. Add 25 mL distilled water. Mix until allcrystals dissolve.MgCl2٠6H2O solution for experiment 2: (Question d-f)Prepare a solution of magnesium chloride by accurately weighing approximately 3.6 g ofMgCl2٠6H20 into a 100 mL beaker / conical flask. Record the mass of the sample. Add 25 mLdistilled water. Mix until all the crystals dissolve
- 1a. Determine the volume of 1.000 g of water (Densitywater = 0.9999 g/mL). 1b. Determine the volume of 1.000 g of ice (Density ce = 0.9168 g/cm³). (1 mL = 1 cm³) %3D %3D 1c. From the volumes above, what can we conclude about 1.000 g of water when it freezes?$ F4 An aqueous solution of 2.87 M hydrochloric acid, HCl, has a density of 1.05 g/mL. The percent by mass of HCl in the solution is %. Submit Answer % 5 T G F5 Retry Entire Group 9 more group attempts remaining 6 Cengage Learning | Cengage Technical Support Y H [Review Topics] [References] Use the References to access important values if needed for this question. MacBook Air F6 & 7 gilinent-take F7 8 00 1 DII FB K ( 9 F9 0 L ) O A F10 P Chapter Previous + 11 X Next ☐ Save and Exit OWLY S deles< STARTING AMOUNT X A brine solution is 3.50% NaCl by mass. Given that its density is 1.071 g/mL , determine the quantity of liters of solution that contains 5.00 moles of NaCl 5.00 ADD FACTOR 0.1 *( ) 3.50 10 35.45 Question 29 of 33 1.071 0.01 8.03 x 1022 1000 100 ANSWER 7.80 22.99 0.0156 L solution g NaCl/mL g solution mL solution kg solution g NaCl/g solution 58.44 6.022 x 1023 0.0780 moles of NaCl mol NaCl RESET 0.001 2 1 g NaCl 1.56
- What percent (%) of 5.0 x 10-3 is 6.4 x 10-5?the final answer is needed to be converted into pints?A solution is prepared by diluting 2.81 mL of the blue dye stock solution to 25.00 mL. The measured absorbance for the prepared solution is listed in the data table. Measurement Result Blue dye stock solution 0.293 M Absorbance at 630 nm 0.00265 Calibration curve y=0.0833x Part: 0/3 Part 1 of 3 What is the theoretical molar concentration? Round your answer to 3 significant digits. [Blue]theoretical-M x10 X S Part: 1/3 Part 2 of 3 What is the experimental molar concentration? Round your answer to 3 significant digits. [Blue ] experimental M 9 Subm Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Cent
