significant figures are in each measurement? 3.005 g 820 m 0.000 670 km 0.405 021 kg 22.4 L

Q: [A] (M) In [A] 1/[A] (s) 0.00 0.500 -0.693 2.00 20.0 0.389 -0.944 2.57 40.0 0.303 -1.19 3.30 60.0…

A: Since we know that, for different order of reactions, the relationship between the concentration of…

Q: E (J) nfinal:→ 1 4. ninitial 6. 2.12 * 10-18 J 4. 3. 2. 2.

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Q: Chromatography is done on a mixture containing a drug. The drug has an R value of 0.66. The diagram…

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Q: Which would weigh more?  100 mL of water or 100 mL of cyclohexene? (Density of water is 1.00 g/mL…

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Q: 2.Based on the data, calculate the mean value of the mass of 15 mL of ethanol. Calculate the average…

A: Formula :-  Mean = sum of all value / n  Where n is number of values

Q: What is the volume (in cm3) of a 36.7 g piece of metal with a density of 6.95 g/cm3? Group of answer…

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Q: Select from the list below all that are equal to 55.0 mL. Group of answer choices 55.0 cm 55.0 cm3…

A: Volume is measured in Litres ( L ) , milliliters ( mL ) , cubic centimeters ( cm3 ) and cumic metres…

Q: Solve for x in 3x + 5 = -7x – 2q

A: Those digits which has meaning in the given magnitude is known as significant figures. All non-zero…

Q: Could you express your answer as a conversion factor please? This answer makes no sense as Chem101…

A: To Provide the final answer in the format of conversion factor.

Q: What is the correct answer to the following calculation? Select all answers that apply. Sig figs…

A: During division of two values the result must contain the number of significant figure equal to the…

Q: QUESTION 2 How many significant figures do each of the following values have: a) 0.002305 4 v b)…

A: Rules for significant figures:1. All non- zero digits are significant. 2. A zero becomes significant…

Q: Problem To hang some paintings in your dorm, you need 325 centimeters (cm) of picture wire that…

A: Given data contains, Length of picture wire is 325 cm. Selling price of picture wire is $0.15/ft.

Q: Answer the following problem with the correct number of significant figures. (9.2 / 1.890) +…

A: We have to find out the correct no of significant figure of  (9.2 / 1.890) + 10.983= 15.85072487…

Q: find mass of a cube of metal with 6 inches on each side. density of this metal is 15g/cm^3. answer…

A: According to the system of units, the following conversion is obtained: 1 in = 2.54 cm ⇒6 in=(6×2.54…

Q: The density answers are so close that I need help trying g to figure which substance goes with what

A: Substance 8  d= m/v      = 8.5/15.6     = 0.55 g/ cm3 substance 9  d= m/v      = 8.0/15.6     = 0.51…

Q: Correct any answers that have the incorrect number ofsignificant figures.(a) (908.4 - 3.4) , 3.52 *…

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

Q: STARTING AMOUNT X (0.01)³ * ( ) 1 0.076 0.1 (100)³ cm³ Convert 7.6 7.6 1000 m³ cm³ to (0.1)³ 0.01 cm…

A: In different fields of science, the dimensional analysis is used to determine the relation between…

Q: mm 63 mm 1x10-3 Part A Suppose that you measure a pen to be 11.3 cm long. Convert this to meters.…

A: Conversion of units : this can be done by a method called unit factor method by a method called unit…

Q: B0be4141f395507aa9#10001 Academic Search I Downloads E University Librarie... UNIVERS Part A H3O*] =…

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Q: NSCI- Chemistry  Answer only 10-12

A: Units of measurement are necessary to measure the quantities. There are instances when the measuring…

Q: Problem Perform each calculation to the correct number of significant figures. (a) 89.3 x 77.0 ×…

A: a. Number of Significant Figures: 6The Significant Figures are 5 5 0 0 8 8 b. Number of Significant…

Q: Please i need to answer all the questions. And for question six her is a picture of the model

A: Ionic bonds are formed by transfer of electrons while covalent bond are formed by sharing of…

Q: Complete the following using significant digits rules. Report your answers using the correct number…

A: Complete the following using significant digits rules. Report your answers using the correct number…

Q: 5. Perform the following calculations and report each answer with the correct number of significant…

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Q: view - Black X P12.5: Melting, Fre X PExercises X P Answers to Odd- X Email-Jessica Sa X C Solve 30.…

A: Given,  61.  The heat required to convert 2.55 g. of water at 28.0 °C to steam at 100.0 °C is:

Q: Find the value 2x-y+z for the given question.

A: The number of species that can donate 2, 4, and 6 electrons.

Q: Perform each operation, and report the answer with the appropriate number of significant figures.…

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Q: 320.28 - (6107.5/2.8). Express your answer to the appropriate number of significant digits. [(289.8…

A: Dear student,We are entitled to answer only one question at once. So, your first question is being…

Q: If there are 2.205 pounds in one kilogram and 28.35 grams in one ounce, how many ounces are in 1.3…

A: 1kilogram  = 1000 gram  Now given,            In 1kilogram, there are 2.205 pounds Or,    In 1000…

Q: Perform the operation as indicated below and report your answer rounded with the correct number of…

A: In positional notation, significant figures are the digits in a number that are accurate and…

Q: Show calculations setups and answers for the following problem:  An empty graduated cylinder weighs…

A: Given the weight of empty graduated cylinder and also given the weight of cylinder with an unknown…

Q: Based on the given formulation, compute for 350 grams of the product.  Show weight of each…

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Q: Part A Why can two conversion factors be written for an equality such as 1 m = 100 cm? Two…

A: Conversion factor in dimensional analysis is a fraction with one unit at the top and a different…

Q: 1000 Incorrect! But, you can still earn a point by determining the uncertainty value for the correct…

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Q: Decimal Present Number of Sig Figs or Absent 1 0.03092 3092 309.200 392 1020 1200 1200. 8. 1200.00…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall only…

Q: (0.0050 x 28000.0) + (2819 × 15) Express your answer to the appropriate number of significant…

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Q: 1. Answer the following questions based on the table: Pickling Vinegar Conc NaOH (M) 0.1005 Trial #1…

A: #1: We are given the data for four different trials for the titration of vinegar (CH3COOH) with…

Q: V Kc 7.30 0.959 0.650 8.16 1.062 3.49 11.33 0.688 3.35 1.734 0.700 3.24

A: A)                                          CHCl2COOC5H11  ⇔  CHCl2COOH   +   C5H10  Initial  moles…

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A: Significant figures are the number of digits in a value, often a measurement, that contributes to…

Q: Part A Using the relationship between mass and volume in density, determine which conversion factor…

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Q: A student calibrated a 10-mL graduated cylinder using water and determined a density of 0.9981 g/mL…

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Q: Question: Assume that a lethal dose of aspirin is 50mg per kg of body weight. How many 1.25 grain…

A: Weight of child = 25 pound or 25 lbs                          = 25 lbs × 1 Kg2.2 lbs…

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

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Q: A group of students have a 1000-mL beaker with graduation markings every 50 mL and a volume error of…

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Q: Consider the following operations on the number 8.97 × 10–2 Without using a calculator, decide which…

A: Significant numbers are the number of digits in a value, that gives the degree of accuracy of that…

Q: D[z] 20 (° mL/ dm g) a () 1 1. +10.5 5.2 kg/ L 35 cm 2. - 15.75 2.3 g/ mL 15 cm 3. + 5.25 +134.45…

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Q: Calculating Percent Error Use Student A’s density data in Table 2.3 to calculate the percent error…

A: Since the data for student A is asked, thus percent error for student A has been calculated only.…

Q: The line described by a linear regression attempts to a. pass through as many points as possible.…

A: The regression line is used to study the relationship among two or more variables and observe the…

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.