Part A The following image represents which kind of matter? O an element a mixture O a compound O none of the above O all of the above Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining

Q: Part B A sample is composed completely of gold and is absolutely free of impurities. Which term or…

A: Given,  A sample is composed completely of gold and is absolutely free of impurities.

Q: The precision of an experiment is best described by O the % error O the true value O the % deviation…

A: % Error can be determined measuring deviation from true or accepted  value in terms of % . Where…

Q: help me find the standard deviation

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Q: Carla made models of a water molecule and a hydrogen peroxide molecule. Oxygen atom Oxygen atom…

A: The elements present in water as well as in hydrogen peroxide are oxygen and hydrogen. But the…

Q: Could the nugget be made of gold? Match the words in the left column to the appropriate blanks in…

A: Since the nugget is basically a small chunk of gold and other precious metals.

Q: A box of clear plastic wrap for household use is polyethylene,{ CH with density = 0.910 Mg/m'. A box…

A: From area and thickness we can calculate the volume and the mass of the compound . From here we can…

Q: If we allowed our soap to dry for 1 week the mass would change.  a. Will the mass increase or…

A: Density is a physical quantity that can be determined with the help of the mass and volume of the…

Q: The representation of atoms below best represents a mixture of ____ different pure element(s) and…

A: Applying definition of pure substance and compounds we can determine the components in the…

Q: Which of the following sentence is correct: O Gross errors result from carelessness and the…

A: The given options describe different types of errors like gross error, random error etc., and…

Q: Rule: When we add or subtract numbers, we should round the result to the same number of decimal…

A: The answer for addition or subtraction of numbers with decimals is expressed as the decimals that…

Q: What is the SlI unit for mass? O kilogram O pound O gram

A: • We need to determine the SI unit of mass

Q: C3S2 express your answer in atomic mass units to two decimal places

A: Calculation for molar mass of C3S2:

Q: Which of the following terms describes what a doctor forms when treating patients prior to ordering…

A: Experiment is the term required for the treatment of the patient by the doctor with the normal…

Q: A triangle is formed by three roads that connect Shelbyville, Springfield, and Capitol City…

A: Right triangle

Q: 1 Whichis NOT apro Coty used to ideritity substances O A Density O B. Electrical Properties O G Mass

A: In multiple questions we solve only one question according to Bartleby Guidelines. The substance can…

Q: 3. Is object E or object F more dense? [Assume the particles are uniformly distributed throughout…

A: Density of a substance is defined as the ratio of mass and volume. Density = Mass / Volume

Q: Muitiply or divide the Toilowing measurerments. De sure each answer you enter contains thie ect…

A: Given measurements are  579.1mol ÷ 80.042 L 20.947 g/mL × 24. mL  197.48 m ÷ 59.30 s

Q: Part B 54.6 g N2 Express your answer using three significant figures. VO AZ ΑΣΦ N = %3D Submit…

A: First of all calculate the moles of N2 by using formula - mole = mass/molar mass

Q: lece of iron [c = ure of 57.0 °C and then placed Og piece of copper [c = 0.385 nsulated container.…

A: Given,  Mass of iron = 208 g Heat capacity of iron = 0.449 J/g-°c Mass of copper = 180 g Heat…

Q: A student performed the same experiment as you. The following data was recorded in their lab…

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Q: What were the main results found in this experiment? Include both quantitative results (i.e.…

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Q: Which separation technique could be used to separate a mixture based on differnces in boiling point.…

A: Welcome to bartleby !

Q: A student determined that the density of a sample of tin is 8.00 g/mL, when the actual density of…

A: The approximation error in some data is the discrepancy between an actual value and expected or…

Q: A sample of vegetable oil with density 915 kg/m³ is found to have a mass of 0.0485 kg. Find the…

A: Density is the measure of the mass of an object divided by volume. So we use the formula of density…

Q: 19. The density of gold (Au) near room temperature is approximately 19.32 . How many mL micrograms…

A: Density is defined as the ratio of  mass and volume.  To find density in g/mL  mass should be…

Q: Identify statement as being most like an observation, a law, or a theory. Yesterday, high tide in…

A: An observation could be described as what a person witness while performing experiments (or) any…

Q: llege in I Assignments: Intro Chemist A 14 Measurements Measurements - Chemi: X New tab…

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Q: DIKECT TITKATIDN %% PURITI: % = VXN* mEq weight of the samplex l00 %3D weight g sauiyele lg)

A: According to law of equivalence, a reactant exactly gives the same number of equivalents of…

Q: What is the standard SI unit for mass? o Gram o Pound o Ounce o Kilogram O Ton

A: Kilogram is the SI unit of mass.

Q: make a statement of the problem and a hypothesis for both questions, the statement of the problem…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Which of the following statements is INCORRECT? O Filtration banks on the different sizes of mixture…

A: Filtration , distillation and chromatography are separation techniques.

Q: Use the following diagrams to answer the question(s). SAMPLE 1 SAMPLE 2 SAMPLE 3 SAMPLE 4 Intro to…

A: Element is consists of same type of atoms. All atoms of elements should be similar on all aspects.…

Q: The accuracy of an experiment is best described by O the % deviation O the average value O the %…

A:

Q: Using scanning tunneling microscopy, scientists at IBM wrote the initials of their company with 35…

A: The total number of Xenon atoms present in the image is 35.The molar mass of Xenon is 131.29 amu.The…

Q: Please calculate  and mke the numbers ledgibe... I GOTTHIIS ANWER YOU PROVIDED WRONG  AND 2 SIG…

A: M

Q: • Part A a. Pyrex glass (T, = 55.6 °C) %3D Express your answer using two significant figures. m%3D…

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Q: Classify the following mixtures as homogeneous or heterogeneous. Drag the appropriate items to their…

A: Mixture  means combination of two or more substance in any proportion. Mixture are mainly of two…

Q: Current Attémpt in Progress A certain metal alloy has a density of 17.2 g/cm3. How many pounds would…

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Q: ubmerged in a graduated cylinder initially containing 20.00 mL of water. T, the level of the water…

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Q: Part B Which of the following properties of a piece of wood are physical properties? Check all that…

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Q: 58. Apply Graph mass versus volume for the data given in the table wh slope of the line? Volume…

A: The slope of a plot is =dYdX =Change in YChange in X =Y2 - Y1X2-X1

Q: Identify each of the following mixtures. Base your answers on the property described. particles that…

A: Depending upon the particle size ad properties mixture can be classified as true solution, colloid…

Q: you explain further how you will know that aspartame will hve a smaller volume? Aren't both cans…

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Q: e the density of iridi

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Q: What does this particle diagram show? O a mixture of elements Oa mixture of compounds O an element…

A: In the given diagram, there are three compounds which are similar. It means that it is a pure…

Q: Anything that is observed or measured about a sample of matter is called a(n)?

A:

Q: MISSED THIS? Read Section 3.8 (Pages 111 - 113) ; Watch IWE 3.13. Part A A sugar crystal contains…

A: Given data contains, Molecules of sucrose is The molar mass of sucrose is 342.3 g/mol.

Q: Question 23 The effect of a constant error becomes more serious as the size of the quantity measured…

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