4. Show the answers with appropriate number of significant figures. 39.9 а. 6.022 x1023 b. 0.0021 g + 34.56 g-0.765 g

Q: Calculate to the correct number of significant figures.a. 43.7 - 2.341                          b.…

A:

Q: 58. Perform each calculation to the correct number of significantfigures.(a) 89.3 * 77.0 * 0.08(b)…

A: Significant figures are the digits of a number that are meaningful in terms of accuracy or…

Q: 1. When expressed as 7.5x10^4, only the significant figures of are to.be considered. (1 point) O 7.5…

A: The notation of digits written in a format is called significant number.Typically after decimal four…

Q: A small beaker was found to have a mass of 27.847 g. A 10.00 mL sample of an unknown liquidwas…

A: Answer :- 1.225 (g.mL-1)  Density of unknown liquid (solution) = 1.225 g.mL-1…

Q: Round the following to the indicated number of significant figures:(a) 0.424 (to two significant…

A: Since, we answer only upto three sub-parts, so we will answer first three. Please resubmit the…

Q: A balloon has a volume of 19.3 and 12.1 moles. The amount of moles decreases to 8.63. What is the…

A:

Q: Express the following with the least number of significant figures d) 13.48577523 e) 44.57558 f)…

A: Significant figure: the significant figures of a given number are those significant or important…

Q: Use the significant figures rules to report the result of the following computation. (43.221 1.6) /…

A:

Q: A mixture is made by adding 20.42 g of substance A, 1.322 g of substance B, and 83.1 g of substance…

A: • The values provided in the question are:-       i) Mass of substance A = 20.42 g    ii) Mass of…

Q: Part A How many significant figures are in each number? 0.1 s O 4 2 3 6 7 The number of significant…

A: Rules for identifying significant figures:  1. The digits except zero are always significant 2. The…

Q: Which number has two significant digits? OA. 0.06371 cm O B. 0.06 cm O C.0.0637 cm O D. 0.063 cm

A: We will find out significant number

Q: Round off or add zeros to calculate answers to give a final answer with three significant figure…

A: The rules for significant figures are: 1)  Zeros between two non-zero digits ARE significant. 2) All…

Q: Round each number to three significant figures. 25,401 1,248,486 0.001265982…

A:

Q: What is the volume of an object of mass 20.00 g and density 2.0 g/mL? 1._______ / 2._______ =…

A: Given the mass of the object, m = 20.00 g  density of the object, d = 2.0 g/mL

Q: Perform the following calculation and input the answer expressed to the correct number of…

A: Perform the following calculation and input the answer expressed to the correct number of…

Q: How many grams F in 650.1 g Br2F6? Put the answer in the box in regular (non-scientific) notation.…

A: Here we calculate the molar mass of Br2F6. Then calculate the mass of F.

Q: Measured values are written to the correct number of significant figures O to match the significant…

A: We will answer the above question by using basic concepts of chemistry.

Q: Calculate the volume

A:

Q: (a) How many picometers are there in 1 m? (b) Express6.0 * 103 m using a prefix to replace the power…

A: (a) The conversion of 1m into centimeters (cm) is done as,

Q: Round 12.3456 to 4 significant figures

A: 1.All non zero numbers are counting as significant figures.  2. If right of the last significant…

Q: Perform the calculation to the correct number of significant figures. (43.998 * 0.00552)/2.002a)…

A: Before we perform any calculation we need to identify the number of significant digits in each of…

Q: Perform the calculation to the correct number of significant figures. (8.01-7.50) / 3.002 a)…

A: The calculation has to be performed to the correct number of significant figures. The given…

Q: How many mL are in 3.0 tsp? 1tsp=4.93mL. Answer with the appropriate number of significant figures.

A: The volume of 3.0 tsp is calculated as shown below. The volume of 3.0 tsp is 14.79 mL.

Q: 1(a) Convert the number 0.0000735 to scientific notation. (b) Round off the number 24.15725 to the…

A: Applying concept of scientific notation and significant figures.

Q: What is the density of an object of mass 45.00 g and volume 25.0 mL? 1._______ / 2.________ =…

A: Given: Mass of object = 45.00 g And volume of object = 25.0 mL.

Q: Provide the result of (6.5721 × 2.7850) - 9.438 using significant figures properly.

A: Interpretation: The result of 6.5721 × 2.7850 - 9.438 using significant figures is to be provided.

Q: Part A How many significant figures are in each number? 0.1 s 4 1 3 6. 7 The number of significant…

A: All the zeros after decimal are not counted as significant figures if there is no non-zero number…

Q: The answer to the calculation below with the correct number of significant figures is A) 2370000…

A:

Q: 7.64x1020 H2O2 molecules Express your answer using three significant figures. m =

A: Since  1) Find the number of moles present in each of the given substance. 2) Multiply the number…

Q: I dont quite understand the significant figures. Need some examples

A: Rules for Determination of Significant Figures:[i] All non-zero digits are significant.For example:…

Q: A typical office has 144 ft2of floor space. Calculate the floorspace in m2(use the proper number of…

A: While converting from 1 unit to another of same dimension a conversion factor is to be multiplied.

Q: 3. What is the correct volume in each of these containers with appropriate significant figures? -34…

A: The answer is as follows:

Q: Calculate to the correct number of significant figures.a. 0.004 + 0.09879                     b.…

A: a.

Q: The number 37.84637 rounded to 5 significant figures is When 12.9 is subtracted from 64.657, the…

A: we have to complete the given statements

Q: Round to 3 significant figures 0.0014851

A: Significant figures refer to the number of digits that has contribution to the value or measurement.…

Q: 16. A mixture is made by adding 20.42 g of substance A, 1.322 g of substance B, and 83.1 g of…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Determine a single factor that can be used as a multiplier to 1.5 oz to grams

A: The term conversion factor can be termed as the formula or the number which is required for the…

Q: How many grams Fin 650.1 g BrF? Put the answer in the box in regular (non-scientific) notation. Use…

A: Given: Mass of Br2F6 = 650.1 g  and we know that the molar mass of Br2F6 is 273.7984 g/mol

Q: How many grams F in 511.9 g Br2F6?    Put the answer in the box in regular (non-scientific)…

A: Given: Mass of Br2F6 is 511.9 g and we know that the molar mass of Br2F6 is 273.7984 g/mol

Q: Mass of group in lbs           728 lb  mass in kg cg tons mg

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Part A Express the quantity 689.6 × 10¬12 s in each unit. ms Express your answer using four…

A: Given :-        Time  = 689.6 × 10-12 s  To convert :- the above value in ms and ns

Q: How many grams Fin 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation.…

A:

Q: How many significant figures are in 9630.0010? (numerical answers only) N

A: Given,  How many significant figures are in 9630.0010 ?

Q: Determine the number of significant figures. 1. 3.4 / 0.025356 + 236.00 - 76.357  2. 5.6786 +…

A: Significant figures are the figures that are necessary to indicate quantity of something.

Q: How many centimeters in a millimeter? O 0.01 O 10* O 0.1 10 O 0.001 A10000

A: To Solve this problem we have to convert millimeters into centimeters

Q: If a substance has a mass of 64.9 g per 888 mL then its density is _____ g/mL.  to the 3 sig figs

A: Given: Mass of substance = 64.9 g Volume of substance = 888 mL Density of substance =?

Q: Consider the operation below. (0.523) (1.2161 -0.99) + (2.648) (84 - 81.98) 0.87 How many…

A: The given operation has both addition/subtraction and multiplication/division. In…

Q: A. Type the number 1340000 in scientific notation. B. Type the number 0.000354 in scientific…

A: Number written in smallest form is known as scientific notation. Extended form is known as standard…

Q: Convert 0.00260 centimeters into nanometers. C. d. Convert 23.1 °F into °C. Convert 48 miles per…

A: " Since you have asked more than 1 question in one question itself, only first three will be…

Q: 78 - Which answer has the correct number of significant figures? 0.08206 x (273.15 + 9.8) 0.927 х…

A: The number that is expressed in the form of digits is established using significant figures. These…

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.