cond 2. (9-6) 2. 25 11 (25-19) 11

Q: mony significant figures, Haw in answer (99.2-20.0(1.79XI05) 1.39

A:

Q: How do you read the value of graduated measurement below? -3 1 Ce 1 a) O 2.66 ± 0.05 ml 13 b) 2.75 ±…

A: To get an  accurate reading, is to measure the center of the meniscus whether it be concave or…

Q: Ordered: Cipro 0.75 gram p.o. q 12h. Available: 500 mg per scored tablets. How many tablets for…

A: Q.1)=> GIVEN:- Ordered:-cipro 0.75 gram p.o. Means we have to give 0.75 gram of in one dose via…

Q: the average mass of an adult human heart is between 250-400 g. Convert the midpoint mass 325 g to mg…

A:

Q: 19. 20. 21. 65 25 85 60 20 80

A: The reading given are,

Q: • Part D Hg (1) + HgCl, (aq) → Hg,Cl2 (s) Express your answer using ftwo significant figures. ΑΣφ ?…

A: The given reaction, Hg(l)+HgCl2(aq) → Hg2Cl2(s)

Q: 24picometer to meter

A: The conversion of 24 picometer to meter is shown as follows, 1m = 10-12 The conversion factor to…

Q: Estimate one more place. Reading will be to the nearest 0.1 mL.             52.8 +/-0.1  mL…

A: Significant figures: These are the numbers that tell us about the correct measurements of the…

Q: 5. For each of the following, carry out the mathemetical operation and report to the correct number…

A: Significant figures of a value can be defined as the number of digits in a value that tell us about…

Q: In which pair of numbers do both values contain three significant figures? 540 and 544 50.4 and…

A: Rules for significant figures: 1. All non-zero digits are significant. 2. leading zeroes are not…

Q: Carry out the following operations provide the answer with the correct number of significant…

A: Answer  Significant figures - Significant figures of a number in positional notation are digits in…

Q: 0.000 012 56 L Express your answer using three significant figures. L Submit Request Answer Part B…

A: Given: 0.00001256 L it has 9 significant figures it can be written as  1.25 x 10-5 L has only 3…

Q: 2300 + 146.11 significant figures express your answer with the appropriate number of sig figs

A: A significant figure is defined as the digit which denotes the least number of digits that can be…

Q: Composition of Mixture vs. Time of Flow 50 10 30 Composition of the given mixture (N) If the time of…

A:

Q: 9.0x10-2 M NaBrO. Express your answer using two significant figures. ΑΣφ [OH ] = %3D

A:

Q: Carry out each calculation and report the answer using the proper number of significant figures.…

A:

Q: 2×10−5)(5.09×104) (7.70×10−8)   Above is listed as a fraction

A: Applying concept of significant figures.

Q: Preform the following calculations following the rules for significant figures 1) 26×0.02584…

A: Perform the following calculations following the rules for significant figures-

Q: baking soda, [OH ]= 4.7 x 10- M Express your answer using two significant figures. | ΑΣφ ? M Submit…

A: [OH-] = 4.7 X 10-6 M first we will calculate pOH  pOH = - log [OH-]         = - log 4.7 X 10-6…

Q: (OH] = 3.1x10-10 M Express your answer using two significant figures. ? [H3O*] = M %3D

A: Given  [ OH- ]      =  3.1 × 10-10 M  [ H3O+ ]    = ?

Q: Perform the following calculation: g -0.00030- x 20.0°C °C x cm³ What is the answer to the…

A: Multiplication and division of significant figures :- The result of multiplication or division…

Q: Data: Year # of 1998 60 2000 2003 50 Pennies/volume of Pennies, mill Ave. Volmi Ave. density Final:…

A: Here is your answer........ The Graphs were plotted in Excel.

Q: 1. (a) (7.59 g - 590 mg) + (6.55 mL+ 4.51 × 10-' cm') g/cm³ (b) 0.500 kg/m³ µg/µL (use dimensional…

A: 1 mg = 1000 g 1 mL = 1 cm3 1 kg = 109 μg 1 m3 = 109 μL

Q: Vorksheet 3: Dimensional Analysis Common brass is a copper (Cu) and zinc (Zn) alloy containing 63.0%…

A: In the given question we have to convert the percent Copper (Cu) by mass.  given data:  63.0% copper…

Q: Evaluate the following expressions. Impose the rules for significant figures different ways for the…

A: Significant figures of value determine the precision and accuracy of a calculation. When expressing…

Q: density of metal is 2.5 g\ml and it weight 4 g put in a cylinder containing 20 ml ,calculate V,…

A:

Q: what is significant figures of 6.5784125×10^ -1 ? what is significant figures of 6.5784125×10^ -2 ?…

A: Rules for significant figure All non zero integer are significant Exact number have unlimited…

Q: Answer the expression below with the appropriate number of significant figures. 2.4 x 10-4 + 3.1 x…

A: Significant rule in addition- During addition of numbers using significant figures, the final answer…

Q: The true readings for the following balance and graduated cylinder respectively are: 30 25 20 -15…

A: A question based on accuracy of measurement, which is to be accomplished.

Q: (2×10^−5)(5.09×10^4) (7.70×10^−8)   Above is listed as a fraction   Express your answer using the…

A: In division , the result will contain the least no. of significant figure among the given numerator…

Q: Calculate % difference between trials 1 and 2. Your value MUST be below 2% difference. Then…

A: The data given is,

Q: The 10-mL graduated cylindar has markings at 1 ml increments and 0.1 ml increments. If the bottom of…

A: The given appearatus is 10 mL graduated cylinder. Graduated increments 0.1 mL.

Q: For the data given in Part A, above, from the trendline of your Excel x-y plot, determine and enter…

A: Given data:

Q: llege in I Assignments: Intro Chemist A 14 Measurements Measurements - Chemi: X New tab…

A:

Q: How many significant figures does 3.005 have?

A: Digits which are responsible for contributing the degree of accuracy of a value are called…

Q: 795 centigram borax was at 25 °C. After adding the sample, the graduated cylinder read at 35 ml, a…

A: Centigram  to gm =centigram/100 In the above question, 795 centigram =795/100 gm =7.95 gm =0.00795kg

Q: 22. 24. 23. 82 13 21 81 12 20 80 11 19

A: The reading given are,

Q: 10 20 30 40 50 60 70 80 90 100 0. 100 200 300 400 500 600 700 800 900 1000 0. 1 4 7 8. 9. 10

A: The triple beam weighing balance helps to measure the accurate weight.

Q: cubic angstroms (1 angstrom = 10-10) Express your answer in cubic angstroms to two significant…

A: 1 m = 1010 Å we have  volume of hydrogen atom = 6.2 * 10-31 m3 or volume of hydrogen atom = 6.2 *…

Q: 2- Measuring the Mass of Liquids. Determination of the Density of a Liquid. Trial 2 Trial 1 Mass of…

A: Specific gravity is relative density, that is, density of sample divided by density of water…

Q: A liquid has a specific gravity of 0.90 at 25 ° C. Compute the following: a. Density at 25 °C in 49?…

A:

Q: 1. Fifita uses a thermometer and finds the boiling põint öf consecutive experimental measurements.…

A: Since you have posted more than one question, we are solving first for you.  To solve the remaining…

Q: The true readings for the following balance and graduated cylinder respectively are: 9.60 O a. 9.60±…

A: Minimum reading measured by an instrument is known as least count of that instrument.

Q: Column A 1.   0.002040   2.   15.36 + 2.255 = 17.615 3.   510. 4.   22.2 x 89.01 = 1,976.022…

A:

Q: An athlete with a body mass of 55 kg has 3.0 % body fat. How many pounds of body fat does that…

A: 1 lb = 454 g 1 kg = 1000 g

Q: Why does 120 only contain 2 significant figures?

A: We can understand this by knowing the rules for writing significant figures.

Q: Multiply the following and express your answer in appropriate scientific notation, and a correct…

A: Multiplication of significant figures :  The answer of multiplication must be reported  in the same…

Q: interconversion of prefixed SI units Emily v A molecular biologist measures the mass of cofactor A…

A:

Q: 1. Specific gravity is important for diagnosing various health conditions, such as dehydration. The…

A:

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.