350 Line of sight

Q: Which piece of equipment gives the lowest uncertainty   Question 15 options:   100 mL beaker   25…

A: There are different type of equipments which can be used to measure the volume of any liquid…

Q: | Complete the data table below. Concentration of HA pH [H]= X from an ice Percent Ionization table…

A: Solution : I- Initial concentration C - Change E -Equilibrium

Q: Perform the following conversion 1: mm3 _ A3

A: Length is the measurement for distance. The S.I. unit of length is m.

Q: 5.00Mm to m

A: given: 5.00 mm  we have to convert milimeter to meter. now, 1000 mm = 1 m now we have to divide the…

Q: Lactic acid, HC3HSO3, is a weak acid and found in sour milk. The conjugate base of Lactic acid is…

A: Calculation of Ka value of lactic acid:  The concentration of sodium lactate NaC3H5O3 = 0.089 M The…

Q: 1. A1.0 M solution of a weak base B has a pH of 11.60. What is the valve of Kb for this base? а. 6.3…

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Q: Give the precision of the graduated cylinder labelled B. What is the volume of the liquid in B. mL 5…

A: Precision of graduated cylinders B and the volume of the liquid is given below.

Q: Explain the difference between random error and systematic error.

A: A mistaken result or false result obtained in an experiment or study is termed as error. Error is…

Q: Help with standard deviation

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Q: Memorize that 1mL=1cm3 Convert 2000mL to cm3 Use a conversion factor of 1cm3/1mL

A: If we are having,  1mL=1 cm3

Q: Give two examples of the Personal Error (one of the classification of systematic error). Please do…

A: Personal errors are types of operational errors that arise due to personal limitations of the person…

Q: Give two examples of the Instrumental Error (one of the classification of systematic error). Please…

A: Instrumental errror is a type of error that occurs due to the poor calibration or inaccuracy of…

Q: 1. The diagram below shows the structure of a triglyceride. M^^^ A CH2 в CH-O-C ČH;-O- a. What type…

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Q: A) 1.26 B) 3.02 C) 0.612 21) Which one of these statements about strong base is true A) Strong bases…

A:

Q: 1. Draw Lewis Structures for the following molecules. Give the hybridization for each carbon and the…

A: In order to draw Lewis dot structure, we count all the valence electrons present in the molecule.…

Q: Distinguish between accuracy andprecision and their representations:error and deviation

A: The standard deviation (SD) measures the amount of variability, or dispersion, from the individual…

Q: O Treatment of 1.385 g of an unknown metal M with an excess of aqueous HCl evolved a gas that was…

A:

Q: 3. What is the color of the doubly ionized Eriochrome Black T indicator in slightly basic solution?…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: NO₂

A: Determine the number of valence electrons: The number of valence electrons can be determined from…

Q: Calculate the number of nitrogen atoms in 25.0 micrograms of aspartame, C14H18N2O5. 2.56 x1016 atoms…

A:

Q: In an experiment, 7.8 mol of Chlorine gas are held in a 5.5 L container at 33.0 ?C. What pressure in…

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Q: Complete the table below. 20 dg =   g   cL = 2 L   Mm = 3000000 m 6000 ms =   s

A: Given that : We have to complete the table given below : 20 dg=  g cL=2 L Mm=3000000 m6000 ms=s…

Q: Which one of the following does not come under the category of systematic error? (A) Instrumental…

A: Indeterminate error does not come in the category of systematicc error. Instrumental error come due…

Q: b) In a laboratory investigation HNO3 into the neutralization reaction; KOH → KNO3 + H₂O a…

A: The heat released by neutralization = m×s×∆T m = mass  s = specific heat ∆T = temperature change…

Q: Please factor the following polyn ax^(2)+2axy +ay^(2) (Please type answer)

A: To solve the quadratic equation ax^2 + 2axy + ay^2  by factorization, we can consider the common…

Q: A group of students have a 1000-mL beaker with graduation markings every 50 mL and a volume error of…

A: To measure 675 mL students measures 25mL*25 = 675mL

Q: Can you put these lab instruments in order from most accurate to least accurate? (10 mL graduated…

A: We need to put the given lab instruments in order from most accurate to least accurate.  10 mL…

Q: 2/ Chemistry

A: First order energy correction is,

Q: Which of the following reactions is favorable, in the direction indicated, under "normal" laboratory…

A: Good nucleophile and good electrophile give reaction in normal laboratory conditions

Q: 3.35 mm to cm-1

A: There are times when the units used for the measurement, do not match the measurement preference and…

Q: Treatment of 1.385 g of an unknown metal M with an excess of aqueous HCl evolved a gas that was…

A:

Q: C8H100 70340 150 140 130 120 110 100 90 80 70 60 50 40 30 20 ppm

A: Step 1: Introduction about DEPT DEPT Distortionless Enhancement in Polarization Transfer  DEPT is…

Q: 1) (0.7546 m)(0.89 m) = [Select] 2) 143.22 cm² / 13.3 cm = [Select] m² cm

A: Given, 1) (0.7546 m)(0.89 m) = ? m2 2) 143.22 cm2/13.3 cm = ? cm Addition and subtraction Here, in…

Q: Name the laboratory equipment.

A: this is an image of four test tubes placed in a test  tube stand

Q: Substance air (78 % N2, 21 % O2) CO2 (g) Density of gas at STP 1.279 g/L 1.977 g/L 1. The table…

A: More is the density, the more it displace others from the vessel.

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.