of significant figures contained in each of the followingmeasurements:b. 25.0 mLc. 54.7 mL3d. 8.5090 ge. 0.0831 g2. Perform the following calculations and report the answers with appropriate unitsand the correct number of significant figures:a. 53.18 g+1.014 g +0.3270 g 54.1949+ l. o14gb. 10.35 cm x 4.15 cm x 1.10 cm: 54.5619 54.52c. 36.140 g 4.08 mL 3.2 57843193. A student uses a stoppered 25.0-mL volumetric flask to determine the density of aliquid. The mass of the empty flask and stopper was 25.1841 g. The mass of thestoppered flask filled with liquid up to the scratch mark was 45.0379 g. Calculatethe density of the liquid in appropriate units and with the correct number ofsignificant figures.4. Calculate the error and percent error of a sample of water using the following data:the actual density of water at 23 °C is 0.999765 g mL"' and the experimental density(at 23 °C) is 1.097 g mL'. Show your work and watch your significant figures.-1ost-Lab QuestionsBased on your results, what is the composition of your sample of 1982 pennies? Hovdo you know? Explain in full sentences.You determined the densities of copper or zinc. Suppose during the experinment sowater splashed out of the graduated cylinder when you place the pennies into it.you think that it affected your results? Explain.Will your densities be affected if air bubbles got trapped between the metal shothe pennies samples? Explain.no,

Since you have posted multiple questions as per the policy we can not answer more than one per…

2. Perform the following calculations and report the answers with appropriate units and the correct number of significant figures: a. 53.18 g+ 1.014 g+ 0.3270 g 54.1999 b. 10.35 cm x 4.15 cm x 1.10 cm c. 36.140 g ÷ 4.08 mL (2 Q57643r4 l. ol4g = B4.5295 : 54.52195

2. Perform the following calculations and report the answers with appropriate units and the correct number of significant figures: a. 53.18 g+ 1.014 g+ 0.3270 g 54.1999 b. 10.35 cm x 4.15 cm x 1.10 cm c. 36.140 g ÷ 4.08 mL (2 Q57643r4 l. ol4g = B4.5295 : 54.52195

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter1: Matter And Measurements

Section: Chapter Questions

Problem 38QAP: A gasoline station in Manila, Philippines, charges 38.46 pesos per liter of unleaded gasoline at a...

See similar textbooks

Related questions

Q: Three liquid substances of the same mass and have an S.G. of 1.50, 0.835 and 1.2 were being mixed to…

A: Specific gravity of liquid 1 = 1.50 Specific gravity of liquid 2 = 0.835 Specific gravity of liquid…

Q: Convert (7.8x10^24) molecules of sodium chloride, NaCl (OR N a C l) to grams of sodium chloride.…

A: To solve this problem first we have to know the molar mass of NaCl. From the molar mass we know…

Q: What is the Density of Cl2 is represented by 18.8L at 2.68atm 23.9°C Express your answer to 2…

Q: If a room requires 134.8 square feet (ft2) of carpeting, what is the area of the floor in units of…

A: Given that: Area of the room = 134.8 square feet(ft2) Area of floor in m2 = ? (1m = 3.28084 ft)

Q: II 8TIIL! US ng TaUie 2.9 UI page II II your tCxID0OK, IUchtIly tne 3U03UICC. USIlng 245a l,20 7Lx…

A: Methyl mercury levels higher than 3.00×10-4 mg/dL are toxic to central nervous system. Whether the…

Q: If a room requires 134.8 square feet (ft2) of carpeting, what is the area of the floor in units of…

A: 134.8 ft2 contain four significant figures. In case of multiplication and division , result…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: The relation between μg (micrograms) and g (grams) is- 1 μg =10-6 g And The relation between dL…

Q: Liquid hexane (CH3(CH2),CH3) will react with gaseous oxygen (02) to produce gaseous carbon dioxide…

A: The balanced reaction between liquid hexane and oxygen gas is:

Q: Liquid hexane (CH3(CH2) CH3) will react with gaseous oxygen (02) to produce gaseous carbon dioxide…

Q: Calculate (2.075 x 0.585)/(8.42 x 0.0045) Correct the answer by rounding off the number to the…

A: Significant Numbers are those numbers or digits in the given number which are used in mathematical…

Q: The Ungoogable scale is related to kelvin by the following equation: TK = Tu + 173 If Tu = 173.50…

A: Temperature in kelvin is related to temperature in some unknown units as shown below: TU = TK + 173…

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

A: Given: The 689.6×10-12 s in each unit convert it into ms , ns , ps , fs :

Q: a. Round off the number 0.00099957 to three significant figures. b. Calculate the arithmetic average…

A: a) Given : Number = 0.00099957

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: A major component of gasoline is octane C3H18 When octane is burned in air, it chemically reacts…

A: Given data, Mass of octane= 9.63 g, molar mass=114 g mol-1 mass of oxygen required = ?, molar mass=…

Q: Mass (g) Height (cm) Diameter (cm) Cylinder A 15.560 5.11 1.20 Cylinder B 35.536 5.90 1.30 In…

A: Volume can be calculated using the following equation.

Q: A silver nugget was found then the mass and volume were subsequently measured and determined to be…

A: Density is degree of crowdedness. It is calculated by using formula,density = mass/volume

Q: Aqueous sulfuric acid (H₂SO4) will react with solid sodium hydroxide (NaOH) to produce aqueous…

Q: What is the density of an object of mass 200.00 g and volume 25.0 mL? 1._______ / 2._______ =…

A: Given: Mass of object = 200.00 g And volume of object = 25.0 mL.

Q: A major component of gasoline is octane (C3H18). When octane is burned in air, it chemically reacts…

Q: Carry out the following conversions: (a) 1.42 lightyears to miles (a light-year is an astronomical…

A: a) We need to convert a distance from light-year to miles.

Q: Determine the number of significant figures. 1. 100432.6783 / 2 2. 0.000004523 x 2.34 + 10.00000…

A: To determine the significant number, we need to count significant number in given values and then we…

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: 4. Show the answers with appropriate number of significant figures. 39.9 а. 6.022 x1023 b. 0.0021 g…

A: In case of multiplication or division, the least number of significant figures in any number…

Q: A density bottle test on a sample of dry soil gave the following results: Mass of 50ml density…

Q: 3.8060 × 13.1 = x O 26162

A: From the rules of significant figures. In multiplication and dividation. The answer will have the…

Q: The mass of a beaker is 5.333 g. After 5.00 mL of a concentated hydrochloric acid solution is pipet…

A: Density is physical quantity that can be determined with the help of mass and volume of the given…

Q: In the movie The Italian Job, thieves steal gold bullion. One plan is to carry the ingots of gold…

A: Given : Volume of suitcase = 4.36 x 104 cm3 approx. Density of gold = 19.3 g/cm3 And weight of…

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

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction…

Q: b Write out the following numbers in ordinary form. i 2.01 x 103 i ii 5.2 x 10-2 iii 8.41 x 10² iv…

A: In ordinary form 10x and 10-x is not represented instead of it if it is 10x the decimal is increase…

Q: A major component of gasoline is octane (C,H8). When octane is burned in air, it chemically reacts…

Q: In the following data, two students each weigh the same penny three times: STUDENT X STUDENT Y 2.491…

A: We need to find which student's data is more accurate and which one is more precise.

Q: 1.10 (a) How many significant figures should be reported for thevolume of the metal bar shown here?…

A: Since 2.5 cm has only two significant numbers, the volume is reported in 2 significant figures.…

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: A particular paint has a density of O.914g/cm3. You need to cover a wall that is 7.6m long and 2.74m…

A: Given data Density of paint = 0.914 g/cm3 Length of wall = 7.6 m Height of wall = 2.74 m Thickness…

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: Perform the following calculation: (-0.00030-c xem 27.5 °C) + 1.0042 cm3 What is the answer to the…

Q: How many significant figures should be retainedin the result of the following calculation? 12.00000…

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

Q: A liquid has a density of 1.27g/mL. What is the mass of 20.0mL of this liquid? Show all required…

A: A liquid has a density of 1.27g/ml. A liquid has a volume of 20.0mL. Mass=?

Q: If a room requires 158.3 square feet (ft) of carpeting, what is the area of the floor in units of…

A: A room requires of carpeting = 158.3 ft2 Area of floor in m2 = ?

Q: A major component of gasoline is octane (CH₂). When octane is burned in air, it chemically reacts…

Q: With which of the following we can measure 9.7mL, Consider which volume matters the most AND EXPLAIN…

A: Graduated cylinder is actually a beaker type container where a scale is observed by which we can…

Q: Calculate these masses.(a) What is the mass of 4.00 cm3 of sodium, density = 0.97 g/cm3 ?(b) What is…

A: (a)

Q: A mouthwash is 21.5 % ethanol by mass. A mouthwash may contain over 20% ethanol. If each bottle…

A: Mouthwash % ethanol by mass = 21.5 % = 21.5 g Each bottle contains 1.38 pt of mouthwash with a…

Q: Liquid hexane (CH3(CH2), CH,) will react with gaseous oxygen (02) to produce gaseous carbon dioxide…

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,0).…

Q: 15) How many significant figures are in 4.010000kg? A) 7 B) 3 C) 5 16) What is the answer for the…

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

Question

of significant figures contained in each of the following
measurements:
b. 25.0 mL
c. 54.7 mL3
d. 8.5090 g
e. 0.0831 g
2. Perform the following calculations and report the answers with appropriate units
and the correct number of significant figures:
a. 53.18 g+1.014 g +0.3270 g 54.1949+ l. o14g
b. 10.35 cm x 4.15 cm x 1.10 cm
: 54.5619 54.52
c. 36.140 g 4.08 mL 3.2 5784319
3. A student uses a stoppered 25.0-mL volumetric flask to determine the density of a
liquid. The mass of the empty flask and stopper was 25.1841 g. The mass of the
stoppered flask filled with liquid up to the scratch mark was 45.0379 g. Calculate
the density of the liquid in appropriate units and with the correct number of
significant figures.
4. Calculate the error and percent error of a sample of water using the following data:
the actual density of water at 23 °C is 0.999765 g mL"' and the experimental density
(at 23 °C) is 1.097 g mL'. Show your work and watch your significant figures.
-1
ost-Lab Questions
Based on your results, what is the composition of your sample of 1982 pennies? Hov
do you know? Explain in full sentences.
You determined the densities of copper or zinc. Suppose during the experinment so
water splashed out of the graduated cylinder when you place the pennies into it.
you think that it affected your results? Explain.
Will your densities be affected if air bubbles got trapped between the metal sho
the pennies samples? Explain.
no,

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

A student obtains the following data: a- Mass of evaporating dish 21.345 g b- Mass of evaporating dish and saturated NaCl solution 42.817 g c- Mass of dish and NaCl after evaporation 38.915 g Report the Mass % of NaCl in this solution. Write the number as a percentage with the correct number of significant figures as shown. (i.e. 25%) There should be no space between the numbers and the % sign.
Volume of water in cylinder 21.6 mLMass of empty beaker 75.360 gMass of beaker with water 97.315 gMass of water in beaker ______ gDensity of water _______ g/mLCalculate the average density you determined for this unknown liquid and record below. [_________ g/mL +_________ g/mL] / 2 = _____________g/mL
Three liquid substances of the same mass and have an S.G. of 1.50, 0.835 and 1.2 were being mixed to form a new compound. Estimate the resulting density. a. 1.1407g/cm3 b. 1.1121g/cm3 c. 1.1454g/cm3 d. 1.2232g/cm3
Liquid octane (Ch3(ch2)6ch3) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide and gaseous water. Suppose 6.85 g of octane is mixed with 9.8g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Round answe to 2 significant digits
1.10 (a) How many significant figures should be reported for thevolume of the metal bar shown here? (b) If the mass of thebar is 104.72 g, how many significant figures should be reportedwhen its density is determined using the calculatedvolume? [Section 1.6]
What is the Density of Cl2 is represented by 18.8L at 2.68atm 23.9°C Express your answer to 2 decimal places and use the proper abbreviation for the Units
The U.S. quarter has a mass of 5.67 g and is approximately1.55 mm thick. (a) How many quarters would have to bestacked to reach 575 ft, the height of the Washington Monument?(b) How much would this stack weigh? (c) Howmuch money would this stack contain? (d) The U.S. NationalDebt Clock showed the outstanding public debt tobe $16,213,166,914,811 on October 28, 2012. How manystacks like the one described would be necessary to pay offthis debt?
Balance A: 15.746 gBalance B: 15.75 gBalance C: 15.7 g When the liquid was added to the beaker, a buret was used to deliver 20.10 mL. Given thatdensity = mass/volume, calculate the density of the unknown liquid using the mass resultsfrom each balance along with this volume. Make sure you report each result to the correctnumber of significant figures. Balance A: g/mLBalance B: g/mLBalance C: g/mL
A homogeneous mixture was prepared by mixing 0.15 g A, 112.3 g B and the 24.55 g C. The volume is found to be 85.80 cm3. What is the density of the mixture to correct number of significant figures?
An experiment with a pycnometer resulted in the following data: Mass of Pycnomter = 25.428 g Mass of Pycnometer filled with water = 44.021 grams Mass of Pycnometer filled with liquid X = 41.421 grams a) What is the specific gravity of liquid X? b) If methanol (Specific Gravity = 0.790) was used rather than water in measuring the density of irregular objects, how would that affect the result? Why?
A flask weighs 64.25 g when empty and weighs 91.75 g when filled with water at 20oC. However, when the flask is filled withthe same volume ofisopropyl alcohol at the same temperature, the combinedmass of flask and alcohol is 86.00 g. (a) If the density of water is 0.99823 g/mL at 20oC, what is the volume of water that filled the flask? (b) Determine the density of isopropyl alcohol at 20oC.
Consider a bar of that has a mass of 2.22 x10^5. Knowing that the density of gold is 19.3 g/cm^3, what is the volume of this bar of gold