5- 00 3500 3000 2500 2000 1500 1000 5 3466.45 3059.72 2357.34 1596.68 1488.72 1444.22 1328.25 1274.79 1179.97 1155.52 1078.14 1030.47 1008.87 931.32 912.59 888.86 755.66 694.35 636.97 581.53

Q: Underline significant figures 24040 0.04800 4.020 1.08 x 105 0.0022 9000000 2.00 x 10-5 8.60 x 102…

A: The Significant figures are determined by using the rules of significant figures, 1. Non Zero digits…

Q: (904.6 - 2.9)/3.52 x 10^4

A: The number of significant figures in the product of the calculation is the minimum number of…

Q: Based on the given data, what is the λmax of copper?   0.1 M Copper 300 0.157 325 0.233 350 0.465…

A: The correct answer is:

Q: how do i know if my measurement is significantly different from the exact value, at least 2…

A: Given: Exact value : 0.25 Average = 0.223 Standard deviation = 0.025 RSD = 11.2 %

Q: 9.921*10^-20*9.714*10^-19]^2

A: Given: [9.921 X 10-20 X 9.714 X 10-19]2

Q: 56. Round the number on the left to the number of significant figures indicated by the example in…

A: Significant figures of a number are those which are absolutely necessary to explain the numbers…

Q: How many micrograms are in 563 kg?     0.563 μg     5.63 × 107 μg     5.63 × 104 μg     5.63…

A: we know that,                    1μg =10-6gm = 10-9 kg   therefore , 563 kg = 110-9×563=5.63×1011μg

Q: How do I include units into my slope intercept Units - g mL 1. Y=1.2534x+0.0250 Answer- Y=1.2534x (…

A:

Q: Write the numbers in scientific notation.   673.5 673.5= 6.735×102     ×10? ?= 6.735     0.034…

A: Introduction :  We have to write the numbers in scientific notation .

Q: h. 917.2 - 45.63 = Answer: i. 3.423 x 10-4 6.42 x 10-3 = Answer: 3.1 j. 6.300 x 10² + 15.43 Answer:…

A: Step I :-  Rule for significant figuressf in mathematical operations:- I Addition and subtraction…

Q: At 20oC 25.0 ml of concentrated nitric acid solution was found to have a mass of 32.503 g. What is…

A: The density of a substance is defined as a mass of a unit volume of the substance. The density of a…

Q: Multiple Choice 017 0.015 0.062 050 012

A: Here the half life of 90Sr is 29 year. We have to determine the fraction of 90Sr left after 175…

Q: Answer the following questions. 116.0 117.0 117.5 118.0 128.0 130.0 153.0 154.0 155.0 156.0 2.2 4.0…

A:

Q: Question 8 A student was experimenting with density to find the percent composition of an unknown…

A: Given that, the temperature of the experiment is T = 20°C = (273+20) K = 293 K. The mass of the…

Q: What will be the average density for a sample of metal with a mass of 12.6 g and volume calculations…

A:

Q: 2,2 23 24 252.6 2,72.8 2.93 3,5 4. 4,5 5,5 9 10 11 12 13 14 15 16 17 18 19 21 23 25 100 F0.0 90 05 %…

A: Some conventional IR Peaks are _ Aromatic c=c stretching ⇒ 1600,1475, Acid O-H stretching…

Q: True Value 124 g True Value 1.75 lb 1. 6. Trial # 1 120 g Trial # 1 2.75 lb Trial # 2 121 g Trial #…

A: 1. Mean of the experimental value = (120+120+121)/3  = 120.3 True value = 124g Percentage error = […

Q: CDCI3 240 QE-300 180 220 200 160 140 120 100 80 60 20 12 11 10 3 2

A: Note: m/z = 43 indicates isopropyl group. From IR 2800 cm-1, 2700 cm-1 aldehyde C-H stretch.…

Q: ased on the given data, what is the λmax of cobalt?   0.1M Cobalt 300 0.451 325 0.467 350 0.584…

A: Given : We have to tell the lambda max for cobalt.

Q: 0.1 ml 1 ml 1 ml 0.1 ml 1 ml UUUUU A. B. Original C. 1 D. 9.9 ml 99 ml 9 ml 9.9 ml 9 ml A B D 10 1…

A: Dilution factor is calculated by V2 ÷ V1 During dilution the number of moles remain same, but volume…

Q: identify the number of significant figures 3.46728 + 14.91 + 0.98001 + 5.231 23.1 + 4.77 + 15.39 +…

A: We have to calculate the number of Sig figs in the results of given calculation.

Q: A student determines the density of a metal to be 8.55g/cm3. If the theoretical value is 8.91g/cm3,…

A:

Q: Put answers in scientific notation. 1. (5.86x10^6)(2.98x10^5)= 2. 8.05x10^-4/ 9.14x10^6-2.98x 10^5=…

A: Scientific notation is writing the numbers in multiples of 10 with a single digit in the left side…

Q: There are 2 parts to this question. pt. 1. Circle the metal most likely used in the jewelry samples…

A: it is relative error in any experiments which tells about accuracy of measurement,  lower the…

Q: 300 0.157 300 325 0.233 325 350 0.465 350 375 0.575 375 400 0.622 400 425 0.708 425 450 0.864 450

A: Given : We have to calculate the molar absorptivity of copper at λmax of copper.

Q: Put answers in scientific notation. 1. 1.15x10^4+8.24x10^-4 2. 5.37 x 10^4 + 1.00 x10^8/5.63x10^4…

A: Significant Figures Rules: All Non-zero digits are considered significant. All zeros lying in…

Q: Suppose the density of 65.0 ml of some liquid was found to be 0.748 g/ml. What would be the specific…

A:

Q: Data: Year # of Pennies 1998 60 2000 2003 50 55 volume of Pennies, mill Ave. vol mi Ave density…

A:

Q: 90 80 70 60 50 40 30 10 1000 500 3000 2500 2000 1500 4000 3500 20 % Tlánsmittance

A: D-fructose

Q: SALT SOLUTION: Trial 1: Volume: 25 mL Mass of 25mL solution: 29.824 g Density: 1.2 g/mL Trial 2:…

A: From the data given we can see that the density of salt solution is constant in all trial and is 1.2…

Q: lass 0.900 0.800 y=0.608x + 0.011 0.700 0.600 0.500 0.400 0.300 0.200 0.100 0.000 0.00 0.20 0.40…

A: Given :  We have to calculate the density of unknown solution.

Q: ((5.15)(0.372))/0.085 =

A: In multiplication and division = round off answer in minimum significant digits given in the…

Q: Write each of the following numbers in standard scientific notation.   97,820   42.14 x 103…

A: 1)  97,820 Ans:  9.7820 ×104 2) 42.14 ×103 Ans: 4.214 ×104 3) 0.08214×10-3 Ans: 8.214 ×10-5 4)…

Q: Table 3: Part C-Using a Beaker to Measure Volume Data: Trial 1 Trial 2 Leave Blank. Trial 3 Leave…

A: Density is mass per unit volume and it is calculated by the formula Density = Mass used / Volume…

Q: A group of students were trying to experimentally determine the density of an unknown liquid. They…

A: The data given is, And the volume of the liquid = 5.00 mL.

Q: 10^-2 + 9.92 x 10^-3

A: In multiplication,  significant figure rules in multiplication  , The answer has the minimum number…

Q: Write the following numbers in official scientific notation (1 digit left of d.p.): a. 345.123 b.…

A: Scientific notations are expressed in the form, a×10b where b is an integer and a is any real…

Q: Perform each of the following calculations to the correct number of significant figures. 1.…

A: In addition or subtraction, the final result should be upto the same number of decimal places as are…

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

A: Solution -

Q: Use the data set below to answer the following question. This is a fictitious data set, so no units…

A:

Q: -01 Unknown 2.4 Rel. abund. Rel. abund. m/z m/z 12 0.1 40 1.6 13 0.3 41 27. 42 12. 43 100. 14 1.0 15…

A: A question based on mass spectrum that is to be accomplished.

Q: Table 1: Part A- Using a 3.0 mL Plastic Pipette to Measure Volume Data: Trial 1 Trial 2 Trial 3…

A: Given: Mass of beaker for trail 1 = 24.78 g Mass of beaker + water for trail 1 = 26.89 g Mass of…

Q: Express it to scientific Notation. 1.) 1 230 045 600 000

A: The following zeroes after the non-zero digit shouldn't be counted in the significant digits. But if…

Q: (7.211*10^5)*(5.3413*10^4)/4.09*10^-7

A:

Q: Table 2: Part B- Using a Graduated Cylinder to Measure Volume Data: Trial 1 Trial 2 Trial 3 Leave…

A: Percent Error:-  It is basically the percent deviation from the actual value of the experimental…

Q: Volume Initial (mL) | Calculate Volume change (mL) Trial Mass (g) Volume Final (mL) 1 53.458 16.3…

A:

Q: 3 4 5 6 7 8 9. 10 O 10 20 30 40 50 60 70 80 90 100 0 100 200 300 400 500 1 2 3 4 5 6 8. 10

A: In the given scale ,it is a 3 beam scale. Middle one reads 100 gm increment, upper one is 10gm…

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: 60 45 30 I$ O i5 30 45 6o 20 10 40 LLLLI 40 с. а. O5 30 45 6o is 30 45 60 o as 30 is 045 (c) (a) 20…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".