What is the sum of 7.12 -  4.35 - 1.1 Be sure to use the correct number of significant figures

Q: incorrect way of measuring

A: If you will tilt your volumetric glassware it definitely gives you error  result of your…

Q: I have to rank from greatest to least

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Q: 8 Observe figure 11: calculate: a - The mass of water. b- The volume of oil. -The mass of oil. d-…

A: Given: Diagram  To find: a) Mass of water b) Volume of oil c)Mass of oil Solution: Density is…

Q: Convert 7.54 x 10-8 m to nanometers . Use only the metric system.

A: The given number is = 7.54 x 10-8 m The number can be converted into nanometers by knowing the…

Q: How many significant figures of 350.670

A: In counting significant figures following rules are followed  1. All non zero numbers are…

Q: 20. In mathematical operations involving antilogarithm (In your calculator, press shift log), the…

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Q: Calculate the data fill in the table in pic 1 and calculation question based on the general…

A: This experiment aims to calculate the moles of carbon dioxide produced by the given sample of…

Q: 17.7 mL to L

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Q: Record the measurement shown in Figure 2.18 to the correct number of significant figures.

A: In the given figure the cm reading is present on the top side of the scale. There are 10 divisions…

Q: Compute 3.5 x 4.48697. Round the answer appropriately. Express your answer numerically using the…

A: in a numerical value, the number of meaningful digits are known as significant figures.

Q: Record the measurement using the correct number of significant figures: -2 1

A: The explanation is given below-

Q: Should I write my answer as a decimal

A: The dissociation constant expression would be:   Kf=1/Kd  Kd = 1/Kf  Kd = 1/1.0×1016    Kd = 1.0 ×…

Q: 1.) 1/10^4= 2.) (10^-2)(10^-3)= 3.) 10^-6/10^8= 4.) (10^4)^-4=

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Q: The standard definition of a quart is equal to 947 mL. Calculate the percent error of a student's…

A: Given is, Measured value= 935 mL True value = 947 mL %error=?

Q: attached is an example to solve i

A: In NMR diiffrent protons will show diiffrent signal.so 1st we have to find the number of equivalent…

Q: solve and put answer in scientific notation, rounding to the appropiate number of significant…

A: Given value is ( 9.381×108 ) – ( 6.009×105 )

Q: Solve the following equation for the unknown value, T (round off the answer no decimals) (4.184)…

A: The detailed solution of your question given below-- For this type question we can easily calculate…

Q: A 3.48 liter glass bottle is full of oil. Assume it contains 3.48 Lof oil. The density of oil is…

A: Given: Volume of oil = 3.48 L = 3480 mL                                         (Since 1 L = 1000…

Q: The relative error for the following data below is: 40.63, 40.31,39.95, 39.98 (the true accepted…

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Q: (1) (4)

A: We have to write iupac name for this we have to follow some steps

Q: e the molarity (M = moles/L) of the NaOH solution to the correct number of significant figures. %3D

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Q: solution

A: We know that, accuracy reflects how close a measurement is to a known or accepted value, while…

Q: Convert 4.3x10^-2 kilogram to nanogram. Use scientific notation

A: Given that : We have to convert 4.3x10-2 kilograms to nanograms.

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: A  person is 6 feet 4 inches tall; how many cm tall are they?  2.54 cm = 1 in. Report your answer…

A: The conversion factor for feet and inches is:1 feet = 12 inches Hence, 6 feet =12 X 6 inches…

Q: If I dissolve one teaspoon of sugar into a cup of water, I can say the sugar is 1 point the

A: Solute  is the smaller or minor compound or molecule in the solution which is dissolve in the…

Q: Solve following using Significant figure rules - (2502.20 x 21.00)/ 3.0

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Q: Question 1 of 30 Convert 0.386 to milligrams . Use only the metric system. 386 mg II

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Q: Rank the steps from 1 to 10

A: The correct order would be:

Q: your

A: According to the question, a current is passed through a solution of copper(II) sulfate long enough…

Q: 10.3

A: The orientation of given compound is cis-2-butene

Q: involving logarithm, the rule is to retain as many decimal places in the result as there are…

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Q: A geologist measures the height of a mountain. The height is 3.6089 km. What is the height in…

A: We will use unit conversion to find answer.

Q: Perform the calculations and determine the absolute and percent relative uncertainty. Express each…

A: Answer is given in below image  In a answer is 5.8±0.30 Absolute uncertainty = 0.30 Percentage =5.17…

Q: solve and out in scientific notation, rounding to the nearest significant figure:…

A: In case of multiplication and division, the significant figure of the result of a calculation is…

Q: A marine biologist measures the volume of a seawater sample. The volume is 1211 mL. What is the…

A: We know, 1 Liter(L) = 1000 milliliters(mL)

Q: -1 A certain liquid X has a normal freezing point of -9.00 °C and a freezing point depression…

A: Freezing point of a liquid is defined as the temperature at which it gets converted to solid.…

Q: Q1 A pencil is 16.2 cm long. What is its length in inches?           Q2 A person has a mass of…

A: Solution A unit conversion expresses identical property as a unique unit of measure. as an example,…

Q: Calculate the density of an object if its mass is 6.259 g and a volume of 2.372 cm3 . Input your…

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Q: Record the measurement shown below to the proper place value. Do not include units in your answer.…

A: The 1 cm length is divided into 10 parts, hence the given instrument can measure the length with one…

Q: help use significant figures please

A: Given, the balanced Chemical equation is -  Ag2O(s) + 2 HNO3(l) ----> 2 AgNO3(s) + H2O(l)…

Q: Instructions for this problem say, "Solve each problem and report your answer to correct significant…

A: since root of 3 = approximately 1.73  Hence we can say that root 3.1 = 1.76 approx  And since root…

Q: Freezing point of water 1 Determine room temperature using a Centigrade thermometer: 2 Convert the…

A: Temperature is the measure of hotness or coldness of the body. Temperature of the body is measured…

Q: The relative error for the following data below is: 39.63, 39.61, 39.05, 39.08 (the true accepted…

A: Given, The true accepted value , xt= 40.0 Data(s) given = 39.63 , 39.61, 39.05 , 39.08

Q: Question 1: Which of the two types of balances is more accurate? Explain.

A: Since the question has 4 subparts, only first subpart has been solved.   In analytical chemistry,…

Q: This is a math problem.  What percent (%) of 5.0 x 10-3  is 6.4 x 10-5?   Include 2 significant…

A: The percentage is calculated as: Percentage (%) = Part value(is)total value (of)×100 In percentage…

Q: if 1 pint of blood weigh 1lb , calculate 900ml of blood .

A: Given: Mass of 1 pint of blood = 1 lb. And volume of blood = 900 mL.

Q: Compute 9.3456 + 2140.56. Round the answer appropriately. Express your answer numerically using the…

A: As the rule says we have to round off to the least no. of decimal places while adding or…

Q: pH 9.0 Express your answer using one significant figure. ΑΣφ ? (HO*] = M Submit Request Answer Part…

A: The pH of a solution measures the hydrogen ion concentration on the negative logarithm scale. It can…

Q: 10.  Calculate the volume in milliliters of a sample of glycerine that has a mass of 0.150…

A: Given information mass of glycerine =0.150 Kg Density of glycerine= 1.26g/cm3 To find Volume of…

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.