Q: Describe the difference between intensive and extensive properties. Which of the following…
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Q: Hi I need help with this question please -Of the solids are not dry when added to the graduated…
A: Calculated density will be larger because solids are not dry then Mass of the solid increases and…
Q: A sample is said to be homogeneous if
A: If substance is homogeneous , it means that , the composition is uniform through out the mixture…
Q: Identify each physical property as extensive or intensive.a. melting point c. densityb. mass d.…
A: An intensive property is the physical properties that depend upon the amount of the matter. The…
Q: States of matter, differ in some of their observable properties. What are they
A: States of matter, differ in some of their observable properties. What are they? That has to be…
Q: When oil and water are mixed together they form a (an) a. Homogeneous mixture b.…
A: When oil and water are mixed together, they form a Heterogeneous mixture. Heterogeneous mixtures are…
Q: 1. Determine the formula to calculate the surface area of a cube: 652 lengt ase 2. Measure one side…
A: Given : Length of side of cube, s = 17.2 cm
Q: How can you determine whether a Measured Value of substance represents an Extensive Property ?
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Q: An empty graduated cylinder has a mass of 30.760 g. 50.0mL of an unknown liquid are added and the…
A: Given: Mass of empty graduated cylinder=30.760 g Mass of liquid + Mass of graduated cylinder=72.810…
Q: What is the definition of matter
A: What is the definition of matter
Q: 1. What is a unit?
A: A unit of measurement is some specific quantity that has been chosen as the standard against which…
Q: The mass is 82.03 g show work in dimensional analysis
A: We have to convert mass In moles
Q: ISO 9000 is a series is a a. quantity management standards b. qualification management standards c.…
A: ISO 9000 is a series of quality management standards.
Q: Table 1 Temperature dependence of distilled water density t[°C] 15 PH20 [g cm 0.99996 16 0.99940 17…
A: Mass of water = mw - mo = 30.4398 - 20.3054 = 10.1344 g Therefore, volume of water in the pycnometer…
Q: Why is the density of Metals is more than another materials?
A: Density Density depends on the mass and the number of particles packed into a given volume.
Q: What are SI Units?
A: The quantities which come across during the scientific studies are named as physical quantities.
Q: Mass is the measure of what property of matter?
A: Properties of matter are mainly two types such as physical properties of matter and chemical…
Q: What are the phases of matter?
A: The phases of matter has to be given.
Q: When is decantation applicable in separating solids from liquids
A: When the liquid has to be separated leaving the solid behind in a liquid mixture, then decantation…
Q: An empty beaker weighs 31.9982 g. A 10-mL pipet sample of an unknown liquid is transterred to h…
A: Density = Mass/Volume
Q: One cubic meter 1 m³ of aluminum has a mass of 2.70×10³ kg.and 1 m³ of iron has a mass of 7.86×10³…
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Q: Measurement of the density of a solid object. Sample you are using is Tin Volume of water in…
A: Volume of water in cylinder = 31.5 mL Volume of water in cylinder after submerging object = 36.4 mL…
Q: Density is a very useful intensive characteristic property of matter. Why?
A: A question to describe about importance of density as the characteristic property.
Q: A sample of potassium (K on the periodic table) can be classified as what type of matter?…
A: Potassium is metal element and it's release one single electron very easily because after releasing…
Q: 100 liters of certain liquid has a mass of 85 kg. Determine the specific weight and gravity of the…
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Q: Photographs are taken of falling drops of two different liquids: wind wind Liquid A Liquid B Note:…
A: The shape of the liquid drop is due to the surface tension and this physical property depend upon…
Q: density of
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Q: A solid aluminum ball (density= 2700 kg/m³) is suspended in air from a scale, which reads 13.06 N.…
A: This is a pretty small sphere, so will change density to 2.7g/cc. (13.06 - 8.706) = fluid weight of…
Q: An N-type sample of silicon has uniform density (Nd = 1019cm-3) of arsenic. and a P-type  
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Q: A beaker contains water up to the 130 mL mark. We introduce an object 38 g of dough and we observe…
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Q: A human hair has diameter of 51um (micrometers). Determine the diameter in dm (decimeters).
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Q: he pieces of paper when the pen is moved closer to it?
A: This is a multipart question. According to guidelines in multi parts questions, we can solve only…
Q: Which of the lower ones is not correctly recognized for a physical property? A) The ability of a…
A: Answer - Physical properties - Physical properties can be observed or measured without changing the…
Q: Let's begin by assessing how much do you know about our topic. Answer the following questions. 1.…
A: In this problem, we have to discuss the following: Matter-Any thing which can occupy space is…
Q: A student is try to calculate the density of a can . He already knows the mass but he needs to…
A: This question can be solved on the basic formula that describes the relationship between the mass…
Q: Find the density
A: As shown in the picture 2a The reading of volumetric flask is 400ml Picture 2b The reading of…
Q: Classify each property as intensive or extensive.a. volume…
A: Extensive properties are those that are dependent only on the amount of matter present in a sample…
Q: Given the density values for the metals in the ya or below, will the same volume of your unknown…
A: The volume of the system, in this case it is metal, is inversely related to the density of the…
Q: Does the density of a material depends upon temperature?
A: Density of material:The temperature and pressure differs for density of a material. This variation…
Q: (a) Multiply 2.334 cm and 0.320 cm.(b) Divide 55.8752 m by 56.53 s.
A: (a) Multiply 2.334 cm and 0.320 cm. Since the number of significant digits in 2.334 cm is 4 and in…
Q: Suppose the densities of two metals are so close together that density is difficult to use to be…
A: Metals are highly electropositive and have strong metallic bond. Metallic bonds are stronger than…
Q: using dimensional analysis how would you find out how many pints is in 84.7 cups
A: The pints and cups are the unit of capacity which are related to each other as follows - 1 pint = 2…
Q: Diameter (om Helght (cm) Mass (a) Density (g/cm) Object A 1.17 2.39 3.612 Object B 1.19 2.10 3.306…
A: by any programming language you can do it easily
Q: What are the apparatus used to measure objects? What are they measuring (ex. Ruler measures the…
A: There are many apparatus used for measuring objects like for measuring length of an object,…
Q: What is the only way to reduce random error in measurements?
A: A question based on tools in analytical chemistry that is to be accomplished.
Q: Filtration is a technique used to separate solids from liquids.
A: Filtration is one of the separation technique.
Q: As ice is heated, the two states of matter that are observed immediately after are and which sit on…
A: Ice is at 0°C temperature. When it is heated it immediately have two states of matter.
Q: Define the term Density/
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Q: Density of object analysis Diameter (cm) Helght (om) Mass (g) Volume (cm) Density (g/cm) Object A…
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- It is estimated that uranium is relatively common in earth's curst, occuring in amounts of 4g/metric ton. A metric ton is 1000 kg. At this concentration, what mass of uranium is present in 1.0 mg of the earth's curst? (The answer is suppose to be 4X10-9 grams)As part of the aspirin synthesis lab the orgo students also had to perform the following calculation to demonstrate their knowledge. Are you able to help them work this out? Saponification is a process in which soap is produced from the chemical reaction between animal fat (triglycerides) and a strong base such as KOH. An example of such balanced chemical reaction is shown here: C51H98O6 + 3KOH → C3H5(OH)3 + 3C16H31O2K (Triglyceride) (Soap) if during the saponification reaction 231.5 g of C51H98O6 is mixed with 231.5 g of KOH and 160 g of soap is produced. Calculate the theoretical yield of soap C16H31O2K and indicate who is the limiting reactant. (Provide your answer to 2 decimal places) Calculate the percent yield for this reaction (Provide your answer to 1 decimal place) *Show ALL steps and mathematical equations involved in your calculations to help the orgo students. Remember to label all…CoCl2 .x -H2O is the purple sample. Calulacte the value for the x integer. Mass of sample: 1.000 (g) Mass of water lost: 0.454 (g)
- A concentration of carbon monoxide of 4000 ppm (0.400 % by mass) in air is lethal in about half an hour. What mass in grams of carbon monoxide in a car with an internal volume of 2.9 m3 is sufficient to provide that concentration? Assume the density of air is 1.29 g/L ; 1m3=1000L.Orciprenaline(C11H17N03,211.258 g/mol) is a bronchodilatorused in the treatment of asthma.The BP assay for orciprenalinetablets is described below. Read thefollowing information carefully andanswer the questions below.(Record your answers in decimalnotation to the indicated significantfigures OR decimal places)ASSAY - 20 tablets weighing 2.597 gwere crushed to a powder. Aportion of the crushed powder(0.5456 g) was shaken with 50 mL of0.1 M HI, the mixture was filteredand made up to 100 mL. 10 mL ofthis solution was further diluted to100 mL with 0.1 M HCI. Themeasured absorbance of thediluted solution at 276 nm was0.582. Additional information: A1%72.3, stated content = 20 mg Calculate:a) The concentration oforciprenaline in the diluted solutionin mg/L b) The actual amount oforciprenaline (in mg) in the powderassayed.c) The actual amount oforciprenaline (in mg) per tablet.d) The percentage of stated contentof per tablet.Q5. As part of the aspirin synthesis lab, the orgo students also had to perform the following calculation to demonstrate their knowledge. Are you able to help them work this out? Saponification is a process in which soap is produced from the chemical reaction between animal fat (triglycerides) and a strong base such as KOH. An example of such a balanced chemical reaction is shown here: C51H98O6 + 3KOH à C3H5(OH)3 + 3C16H31O2K Triglyceride Soap If, during the saponification reaction, 231.5 g of C51H98O6 is mixed with 231.5 g of KOH and 160 g of soap is produced: Calculate the theoretical yield of soap (in grams), C16H31O2K, and indicate which species is the limiting reactant. Provide your answer to 2 decimal places (5). Calculate the percent yield for this reaction. Provide your answer to 1 decimal place (1). Show ALL steps and equations involved in your calculations. Remember to label all steps clearly and use appropriate units.
- General formula of a polymer is-(CH2CHCHCN)n-, where n is typically greater than 10,000. Then take a sample of this polymer weighs 755.9 g and contains 3.112 x 1020 molecules of -(CH2CHCHCN)n-, so calculate n?Could someone Please Help with these! No plagiarism Please! A tire inflated with air is an example of a ___________________________. Evidence - Explanation - A pellet of sodium (Na) sliced in two pieces is an example of a _____________________________. Evidence - Explanation -#13 for the column, change in composition -- you must choose from the drop down menu "go up, go down, not change" Thanks!
- 1. Which of the following is not a step in preparing a water sample container?a. All sample containers must be dark in colorb. The type of sample container and the level of cleaning required depend on the type of sample to be takenc. All sample containers must be thoroughly cleaned in the laboratory before sampling is carried outd. The number of containers prepared must always be in excess of what is needed, for quality assurance, quality control and reserves 2. The purpose of environmental sample analysis is..a. To determine the origin and concentration of chemicals in the environmentb. To determine the origin, concentration of chemicals and/or pollutants in the environmentc. To determine the concentration of a chemical in the environmentd. To determine the cause and concentration of pollutants in the environmentGive the solution with proper sig figs. Determine the average of the densities of 4.523 g/ml, 4.556 g/ml, 4.821 g/ml and give the answer in sig figs. Sum = 4.523 g/ml + 4.556 g/ml + 4.821 g/ml = 13.9 g/ml or 13.90000000 g/ml Ave = 13.90000000 g/ml / 3 = 4.633333333 g/ml a. none of these b. 5 g/ml c. 4.633 g/ml d. 4.6333 g/ml e. 4.633333333 g/ml f. 4.63 g/ml g. 4.6 g/ml h. 4 g/mlHow many ,mew mg are there in 1 mg?