5. Determine the number of significant figures:а. 1000b. 780.c. 0.00102d. 8120

Answered: Image /qna-images/answer/387205a1-db92-4ce4-9df6-fb84af068a08.jpg

Answered: 5. Determine the number of significant…

Science

Chemistry

5. Determine the number of significant figures: a. 1000 b. 780. c. 0.00102 d. 8120

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter2: The Chemist’s Toolbox

Section: Chapter Questions

Problem 32E

See similar textbooks

Related questions

Q: What is a derived unit? List an example?

A: The comparison of an unknown quantity with a known quantity is called as measurement. The measured…

Q: 34. Use exponential notation to express the number 385,500 to one significant figure. b. two…

A: (34) Exponential notation is also known as scientific notation. It is a convenient way to write…

Q: 6. 1.23 x 10* is equal to A. 0.0000123 B. 0.000123 C. 1.230000 D. 123000 E. 1230000

A: 1.23 × 10-4 is equals to

Q: esult as a number without units. You may use standard or exponential notation d be entered as…

Q: 21. Write the conversion factor that converts a measurement ininches to feet. How does the…

A: As the length measures in feet and inches. The conversion used to convert inches to feet is as…

Q: How do you determine how many significant figures should be in your answer?

A: Rules for counting significant figures:Count the number of significant figures in the decimal…

Q: How do you find density in an object

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

Q: Calculate the density of a cube in the units of g/cm3 that has the density of 4.182g/in3 Use…

A: Rule for significant figure in Mathematical operation:(1) Addition and Substraction round by the…

Q: An astronaut on the moon places a package on a scale and finds its weight to be 19 N. (a) What…

A: On the moon, acceleration due to gravity is (gmoon)= 1.63m/s2 We know F= m ×(gmoon) Given…

Q: 17. What is the mass of an object that has a density of 0.23 g/cm and whse volume is 52 cm?

A: As requested, the solution of question number 17 is as follows: Given: Density of substance=…

Q: A supposedly gold nugget displaces 14.4 mL of water and has a mass of 276 g. Part A Calculate the…

A: Density basically expresses direct proportional relation with mass whereas inversely proportional…

Q: d) The number of u e) The ml values al f) The number of u g) The total numbe

A: n =principal quantum Number l = angular quantum Number l = 0 s orbital l= 1 p orbital l= 2 F…

Q: Density of Unknown liquid, mass of picnometer + liquid 61.005, what is the number of significant…

A: The rules for identification of significant figures are as follows : 1) All non zero digits are…

Q: 9. The Sl standard unit of length is the. a) meter b) yard c) kilometer 10. Volume is the Derived Sl…

A: “Since you have asked multiple questions, we will solve the first three questions for you. If you…

Q: One kilogram is slightly more than ________ U.S. pounds.

A: Pound and Kg are the units for the measurements of Masses. Pound is an imperial unit that is…

Q: A meter is about an/a [A] inch [B] foot [C] yard [D] mile * O A C D

Q: Object 1 from an experiment contained a mass of 23.85 g and a volume of 8.84 mL determined through…

A: Given,Mass of the object = 23.85 gVolume of water displaced by the object = 8.84 mLThe density of…

Q: One cubic meter 1 m³ of aluminum has a mass of 2.70×10³ kg.and 1 m³ of iron has a mass of 7.86×10³…

Q: what number is represented by barn

A: Barn unit is used in nuclear chemistry.

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: a sample containing 33.42g of metal pellets is pound into a graduated cylinder initially containing…

A: Given mass of metal = 33.42 gram Initially volume of water = 12.7 mL Final Volume…

Q: Answer the following questions below. Use three significant figures in your computation and final…

Q: Can a set of data be accurate but not precise? Please explain why

A: Precision can either be the number of decimal places to which you are sure, or the consistency of…

Q: Solve for: 146.381 mL -31.4 mL= report answer to the correct number of decimal places and include…

A: Significant figure represents all the digits of a number that are significant with respect to…

Q: a medical laboratory test run is using 4.6 microliters blood sample. what is the volume in mL?

A: The term SI base unit refers to the seven units of measurement which have been defined by the…

Q: 1) The mass of an empty graduated cylinder is 70 grams. When it is filled with 50 ml of liquid it's…

A: Mass of empty cylinder = 70 g volume of liquid = 50mL Mass of cylinder + mass of liquid = 120g…

Q: Round the following to three sig figs. Express your answers as either whole or decimal values; do…

A: Significant Figures: Defined as by saying that the numbers which gives meaningful contribution to…

Q: -1. Remember to put units on all numbers. Mass of graduated cylinder Volume of water (measure to…

A: First determine the mass of water by using given mass of graduated cylinder + water and mass of…

Q: 1. Does heating a cup of water allow it to dissolve more sugar? Temperature of the water is measured…

A: As you nor specified so I am giving answer of first question as per guidlines Yes heating a cup…

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: Convert -52.63 °C to k. Provide the answer with two decimals, and units. Answer:? Units:?

Q: 10) Solve each problem and report your answer to correct significant figure and units. Remember that…

A: 244.15 kg 18.36 ml 152.5 cm 0.4049 g/cm3 11.5 lb.ft/gal 3.488 × 106 mg/cm3 1.761 × 102 nm 1.987 ×…

Q: 1. 0.006 lb/s to g/s 2. 1001 ft to cm 3. 27.78g to lb mass

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: What is 7.13 inches converted to meters? Recall that 2.54 cm = 1 in

Q: 15. An object has a mass of exactly 5 g on an analytical balance that has an 'accuraey of 0.1 m many…

A: The degree of accuracy of the measurement can be calculated by using significant figures. In any…

Q: Two reasons to write a number in scientific notation are when it is either very big or very small.…

A: scientific notation was developed to easily represent numbers.

Q: 6. 1.23 x 104 is equal to A. 0.0000123 B. 0.000123 C. 1.230000 D. 123000 E. 1230000

A: 1.23 × 10-4 is equal to

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

Q: the human body is approximately 60.% water, and one-half of the mass of the dry portion is protein.…

A: Given that human body is approximately 60% of water.

Q: Mass of group is in-lbs is 475.0lbs convert it to kg cg

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: What is the importance of getting an objects density?

A: Density shows the compactness of a substance. Density is the ratio of mass of a substance per unit…

Q: A sample of an unknown metal has a mass of 35.4 g and a volume of 3.11 cm3. Calculate it's density

Q: 15 | he individual markings of a0-milliliter graduated cylinder are a of a apart. This allows one to…

A: A graduated cylinder is a standard instrument used to measure the volume of reagents in…

Q: Which of the following is NOT a unit in the SI system of units? Select one: a. meter b. second C.…

A: As per our guide lines we are supposed to answer only one question. kindly repost other questions as…

Q: f) Convert 155 cm? to ft? g) Convert 7.27 m³ to ft³ pounds h) Convert 126 m³ to L

A: Please find the attachment

Q: temperature in C.

A: Given : Temperature = 122F

Q: A certain solution has a specific gravity of 285. If this is 60% by weight acid, what mass of acid…

A: The specific gravity of any solution is defined as, Specific gravity =density of solutiondensity of…

Q: current is measure as 0.00007 A/cm2 unit area in units of mdd.

A: Zinc is the d-block element. the symbol for Zinc is Zn. Corrosion is a natural process and it…

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…

Concept explainers

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.

Question

5. Determine the number of significant figures:
а. 1000
b. 780.
c. 0.00102
d. 8120

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Calculate the density of aluminum if 27.6 cm3 has a mass of 74.6 g.
The ratio of an object’s mass to its is called the density of the object.
1.28 What is a “derived” unit?
Consider multiplying “26.2” by “16.43.” What would a mathematician say the answer is? What would a scientist say? Justify the scientist’s answer, not merely citing the rule, hut explaining it.
a 90.4 mm to m and cm, b 11.9 m to mm and cm, c 53.6 cm to mm and m
A 28.4-cm3 sample of titanium has a mass of 127.8g. Calculate the density of titanium in g/cm3.
What is density? Give two examples of possible units for density.
A pond has a surface area of 1552m2. Convert this quantity into each of the following units: a.ft2b.km2c.dm2
How do molecules of elements and molecules of compounds differ? In what ways are they similar?
For the pin shown in Fig. 2.5, why is the third figure determined for the length of the pin uncertain? Considering that the third figure is uncertain, explain why the length of the pin is indicated as 2.85 cm rather than, for example, 2.83 or 2.87 cm.
A 5.00-L sample of pure glycerol has a mass of 6.30103 g. What is the density of glycerol in g/cm3?
A proton has a radius of approximately 110-13 cm and a mass of 1.71024 g. a. Determine the density of a proton. For a sphere, V=(4/3)r3;1cm3=1mL;=3.14. b. By assuming that black holes have the same density as protons, determine the mass (in kilograms) of a black hole and the size of a sand particle. A typical sand particle has a radius of 1104 m.