Learning Task No. 2: Identify the materials if it a mixture or pure substance.Write your answer in your notebook. Give the reason for your answer.Mixture orMaterialPure Substance/ Why1. orangejuice2. halo-haloHALO HALO3. Carbon atom6.Carbon12.01074. steelSUGAR5. sugarShot on Y11Vivo Al camera2021.10.0O7 13:27

The substances given are orange juice, hab-hab, carbon atom, steel and sugar.

Answered: Mixture or Material Pure Substance/ Why…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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An analytical chemist measures the amount of Elements E₁ and E₂ in four samples of an unknown Substance. sample of E1 1 2 3 mass mass of E2 4 16.0 g 9.1 g 17.1 g 9.8 g 18.5 g 10.6 g 12.0 g 6.9 g It's known that X contains no elements other than E₁ and E₂. Using this information, answer the questions in the table below. Is X a pure substance or a mixture? If you don't have enough information to decide, choose can't decide. If you said X is a pure substance, calculate the mass of Element E₁ the analytical chemist would find in a new 10.0 g sample of X. Round your answer to 2 significant digits. O pure substance O mixture O (can't decide) g
"Because composition does not change during a physical change, the appearance of a substance does not change" Is this true or false? Explain
Copper(II) fluoride contains 37.42%% F by mass. Use this percentage to calculate the mass of fluorine contained in 58.0 g of copper(II) fluoride. Express your answer in grams to three significant figures.
A pure substance has been isolated in the laboratory. Based on the two characteristics below, how can the substance be classified? 1. The species can not be separated by physical means. II. The species can be separated by chemical means. a compound O a heterogeneous mixture O a homogeneous mixture an element
An oxygen atom has a mass of 2.6610−23g and a glass of water has a mass of 0.050kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of oxygen atoms? How many moles of oxygen atoms have a mass equal to the mass of a glass of water?
Percentage Abundance. The element rubidium consists of two isotopes, one having an isotopic mass of 84.912 and the other having an isotopic mass of 86.920. Determine the percentage abundance of the lighter isotope. Record the answer to the correct number of significant figures. Show the numerical set-ups. Include units and the correct number of significant figures in the set-up.
List two differences between a compound and a mixture
Mixtures can be classified as either homogeneous or heterogeneous. Compounds cannot be classified in this way. Why not? In your answer,explain what is meant by heterogeneous and homogeneous.
U-238 is naturally the most abundant form of uranium; however, only U-235 can be used as fuel in a nuclear reactor, so uranium for us in the nuclear industry must be enriched in this isotope. If a sample of enriched uranium has 78.72% of U-235 isotope and 21.28% U-238 isotope, what is the average atomic mass of the Uranium sample?
A sample of methane, CH4, has a mass of 38.75g. Calculate the number of methane molecules in the sample.
Question 13 Which proves that matter can be further be separated into simpler forms? O Law of Conservation of Mass O Electrolysis O Law of Definite Proportions O Law of Conservation of Energy
Briefly discuss the difference between a homogenous mixture and a heterogeneous mixture.

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Mixture or Material Pure Substance/ Why 1. orange juice 2. halo-halo HALO HALO 3. Carbon atom C Carbon 12.0107 4. steel SUGAR 5. sugar