TOSS Your answer using three significant figures. Enter your answers numerically separated by commas. ANSWER: mc,H10mCO2,MH2O = Part B Complete the second row. Express your answer using three significant figures. Enter your answers numerically separated by commas. ANSWER: mo2mco2 mH, O Part C Complete the third row. Express your answer using four significant figures. Enter your answers numerically separated by commas. ANSWER: mC,H10 ,mO2,MH20 =

Q: Perform the following calculation and report each answer with the correct number of significant…

A: Answer:In multiplication operation number of significant digits in final answer will equal to the…

Q: A student is working on converting a number that has a unit with the Sl prefix milli- to a unit that…

A: 1 mili-unit = 10-3 unit1 unit = 10-6 Mega-unit Thus, we have:1 mili-unit = 10-9 Mega-unit

Q: What is the volume of a balloon, in cm³, with a circumference of 37.8 cm? Report your answer to…

A: The objective of this question is to calculate the volume of a balloon given its circumference. The…

Q: A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the…

A: We are provided with mass and volume of unknown liquid. First we need to calculate density and then…

Q: At 25 °C, 10.0181 g of an unknown liquid was found to have a volume of 6.75 mL. 1. Calculate the…

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

Q: and peital chemist plans to try to identify the unknown liquid by measuring the density and…

A: The question is based on the calculations of density. density is an intensive property which depends…

Q: A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the…

A: Answer :-  a) 0.705 g.mL-1  b) Yes  c) diethylamine…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Rule of significant digit-1) In non decimal number, 0 comes after non-zero not count in significant…

Q: Express 3.78 m³ in units of cm³.

A:

Q: What is the electrostatic potential energy when charges 4 microcoulombs and 2 microcoulombs are…

A: When there are two charged particles, q1 and q2 separated by a distance, d, then there exist a…

Q: LL of solution         Express your answer using three significant figures.   11.65 mgmg KIKI in…

A: Molar mass(MM) of C2H6O = 46 g Mass of C2H6O =72.2 g  Mole = mass/MM       = 72.2/46 = 1.57 mol…

Q: Calculate the slope (m) of the best-fit line using the equation: m=y2-y1/x2-x1. Report the result to…

A:

Q: Round off 201506 to four significant figures. O 0021 O 2.015 x 105 O 2015 O 2000

A: While rounding off we follow the following rules: Start rounding off from the right-hand side of…

Q: bleach, [OH ]= 2.9 × 10–3 M Express your answer using two significant figures. ΑΣφ a Xb

A: [ HO -] = 2.9 x 10-3 pOH= - log [ HO -] = -log 2.9 x 10-3 = 2.537   pH = 14 - pOH =(14 - 2.537  )…

Q: 8. Do the following calculations. Be sure your answers have the correct number of significant…

A:

Q: b. 13678= Estimated uncertainties in measurements are at least ±1 value in last reported digit.…

A: Given: For a) Length = 254.7 mm Width = 25.3 mm Height= 136.8 mm For b) Length = 254.8 mm Width =…

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

A:

Q: A can of soda weighs 344 grams and it contains 95 grams of sugar. Calculate the percentage of sugar…

A: Answer: Given data: Mass of sugar Msugar=95g Mass of can of soda M=344g

Q: 3. A student is using a 10 mL volumetric pipet to dispense water and wants to test how accurate the…

A: A numerical problem based on uncertainty measurements, which is to be accomplished.

Q: 5. Write the result of each of the following operations to the correct number of significant…

A: Rule for significant digits: The significant number of answer in division is determined by the…

Q: Complete the following table. Be sure each of your answer entries has the correct number of…

A: Since, We know that, 1KJ = 1000 J 1 kcal = 1000 cal 1 cal = 4.184 J

Q: A physical chemist measures the temperature T inside a vacuum chamber. Here is the result. T=-21.8…

A: Given, Temperature, T = -21.8 °C The temperature value in S.I units is :

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A:

Q: B g mL × ( 1³ ) x ( ¹7² ) = ? mol C g Perform the following calculation and round to the correct…

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Q: A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the…

A:

Q: A sample of liquid has a mass of 32.9465 g and a volume of 31.43 mL. Determine the density of the…

A: Mass of sample = 32.9465 g  Volume of sample = 31.43 ml  Density of sample = ?

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Rules for determining the correct no. Of significant figures in answers:Rule 1. The result of an…

Q: The product of 80.7 m x 5.01 m is _m². Express the answer with the correct number of significant…

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Q: A thermometer reading 7°C is brought into a room with a constant temperature of 28°C. If the…

A:

Q: Complete the following operations and write your answer with the correct number of significant…

A: Complete the following operations and write your answer with the correct number of significant…

Q: How many seconds are there in 3.7 years? (Use 365 days/year) (You do not need to put in your units &…

A: The given time in the year is = 3.7 years The time in second is =?

Q: Multiplication - express all answers in the correct significant figures - be sure to include units…

A: given, 9.963 kg×2000 kg

Q: A 1995 penny having a mass of 2.931 g is cut to expose the zinc and dropped into sulfuric acid.…

A: The mass of the given penny is = 2.931 g The mass of the copper shell is = 0.059 g The mass of zinc…

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.