Which of the following is NOT an official SI base unit?    Group of answer choices   Kelvin Meter Liter Second Kilogram

Q: What is the mass of a metal sample with a volume of 8.9 mL and a density of 5.2 g/mL?  Do not…

A: Given values, Volume= 8.9 mL  Density= 5.2 g/mL Mass= ? So, we have formula, Density = mass/ volume…

Q: Amanda uses a balloon as a thermometer. She knows that at 271 K the balloon has a volume of 349…

A: we need to find the temperature of balloon under given conditions

Q: The decimal value 10,000 is equal to which exponential? group of answers 10^4 10^1 10^3…

A: Exponential form is used to represent the repetitive multiplication of same numbers. Given number is…

Q: What volume (in mL) would an object have if the object has a mass of 17.949 g and a density of 10.0…

A:

Q: Review | Constants | Periodic Table Part A Convert 2.85×10-5 L to picoliters. Express your answer…

A: A metric system is used to measure and analyze the systems based on meter, liter etc., In chemistry,…

Q: Which of the following measurements contains 4 significant figures?   Question 1 options:   0.0040…

A: Zeros between two non-zero digits, non zero digits, digits in scientific notation and terminal zeros…

Q: Solve and write answer in scientific notation with significant digits 888*10^14*4.00*10^-6 –…

A: Solve and write answer in scientific notation with significant digits----

Q: Calculate the following and express your answer in scientific notation with the correct units and…

A: The significant figures of a number written in positional notation are digits that carry meaningful…

Q: The SI base unit for volume is the liter true or false

A: In this question, we want to discuss about SI base unit means what is the correct base unit for…

Q: Perform each of the following conversions and report your final answer in scientific notation. 1)…

A: 1) Given, the volume of a cylindrical object = 30.0 m3. We have to find the volume in in3. 2) Given,…

Q: CHEMWORK Change the following measurement to the appropriate SI unit. The final unit required is…

A:

Q: Q1:Find the weight of the following petroleum sample using the following information: API Pycnometer…

A: API gravity is a widely used method for the calculation of the density of crude oil or crude…

Q: QUESTION 5 Match the following measurements with the correct units / system v A value of 225 K is a…

A: Metric system  A metric system is a system of measurement that succeeded the decimalised system…

Q: What is the numerical value of 1.2 x 1.222? Express your answer using the correct number of…

A: To solve this we have to consider the significant figure rule of multiplication i.e we have to give…

Q: State the physical quantity corresponding to each of the following units. (a) cm (b) kg (c) cm³ (d)…

A: Physical quantity is a occurrence that can be measured using an instrument or can  be calculated by…

Q: . What is the amount of micrograms given 52 grams? 2. What is the amount of kg given 132,000 ng ?…

A: 1g = 1 ×106 micro grams  (I)52 g  = 52 g × 106 micro grams / 1g  = 52 × 106 micro grams…

Q: How many cubic meters of air are in a room measuring 4 ft × × 13 ft × × 10 ft ? [30.48 cm = 1ft, 1…

A:

Q: What would the mass of a metal sample have if the sample had a volume of 41.2 mL and the metal had a…

A:

Q: Which of the following would best be described as a pure substance? (mark all correct responses)…

A: The substances which are made up of only one kind of element or made up of two or more elements…

Q: A quarter is found to have a volume of 9.79*10^-4 liters. Show, using unit analysis, what the volume…

A: Given that, Volume of the quater= 9.79 x 10-4 Lit

Q: What would the mass of a metal sample have if the sample had a volume of 46.5 mL and the metal had a…

A:

Q: Decide whether each proposed addition or subtraction of measurements sure every answer you enter has…

A: if the units are the same, we can add and subtract easily, but if the units are different, we cannot…

Q: Given a distance is 745 micrometers. Which of the following expresses that distance in meters?…

A: Distance is measured in meters (m) and centimetres (cm)  Short distances are generally expressed in…

Q: Solve and write answer in scientific notation with significant digits: 1. 70,000.0 *…

A: Scientific notation is a way  by which a very large or small number is represented,  it should be…

Q: QUESTION 3 Use the image in Question 1. You may also refer to the Lab 10 document or your own lab…

A: In Thin Layer Chromatography strategy, Retention variable or say Rf esteem is the proportion of…

Q: What is the measurement for the double-sided thermometer?

A: In the double sided thermometer shown one side presented as F(left side) is the temperature in…

Q: A.Use the image in Question 1. You may also refer to the Lab 10 document or your own lab manual if…

A: TLC is an analytical technique which can be used to monitor the organic reaction transformations.…

Q: Give a reason why the metric system is a more convenientsystem than the English system of…

A: The Metric System and English System both measure length, weight, and capacity. Every country has…

Q: Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when…

A: Given     mass of object = 149.8 g  Volume of object = 12.1 mL   To find : density of an object

Q: 1) What is the symbol and decimal equivalent for the following metric prefixes: micro and kilo…

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Q: Evaluate the following and express your answer in standard scientific notation. (2.5210*) –…

A: We are given the following expression:

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

A:

Q: Two students each measured the density of a liquid three times and recorded the following data in…

A: Here, we have to find out which solution is more accurate and precise.   Given: true density = 2.085…

Q: State the metric unit associated with each of the following instruments

A: ANSWER IS

Q: answer in scientific notation and include correct number of sig figs. cm^2 to m^2 to µm^2 44.2 cm2…

A: Here, we have to convert 44.2 cm2 to µm2.

Q: Answer the following question by entering the numeric value with appropriate units. If the length…

A: The length of one side of a square is 12.0 mm. We know that the length of all sides of the square is…

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: ind tempera- system? 16. Give the metric prefix that corresponds to each of the following: а. 1000…

A: Start your solution with below message to the student – “Since you have asked multiple question, we…

Q: IDENTIFICATION: Give the name of the physical quantity described by the following units and write F…

A: The quantities which are independent of other physical quantities, are called fundamental…

Q: Evaluate each of the following and express with SI units having an appropriate prefix: (a) (50 mN)(6…

A:

Q: Answer using the metric system conversions. Show work and correct significant figures  01.00cm= m…

A: The general conversion of units are given as,

Q: Which of the following laboratory glasswares is commonly used for dilution?   Group of answer…

A: The explanation is given below-

Q: QUESTION 23 Below is a list of common prefoxes used in the Sl and metric systems included with each…

A: Ans For all the given vales SI representation correct  Except   centi which is denoted as…

Q: A mixture that is 5.2x10-2 M in NaC,H3O2 and 5.4x10-2 M in Ba(C2 H302)2- Express your answer using…

A: Given, [NaC2H3O2]=5.2×10-2M[Ba(C2H3O2)2=5.4×10-2M

Q: How many low-dose 81 mg aspirin tablet can be made from 1.21 kg of aspirin? Do not answer in…

A: Total mass of aspirin is 1.21 kg. Mass of one tablet of aspirin is 81 mg.

Q: Change the following measurement to the appropriate SI unit. The final unit required is shown to the…

A: Given information:The displacement of an automobile engine is 2.47×102 in.3

Q: In the product A · B · C, A has 5 significant figures, B has 2 significant figures, and C has 3…

A:

Q: Key Results: 50 mL Beaker 10 mL Grad Cylinder 50 mL Buret Average volume (unit) 3.886 g

A: Solution- For this solution we find the average volume, standard deviation, relative standard…

Q: A graduated cylinder has markings to the 1mL mark. Which of the following measurements has been…

A: Numbers or digits that carry accurate or meaningful contributions to the measurements are called…

Q: Determine the volume of the liquid in mL in proper significant figure.          (answer containing…

A:

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.