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A: We know that density = mass / volume Given that Volume of alcohol = 25 mL mass of alcohol = 20.71 g…
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A: Given, Length of cylindrical tube = 12.7 cm Density of mercury = 13.6 g/mL mass of mercury = 105.5 g…
Q: An empty Erlenmeyer flask weighs 241.3 g. When filled with water (d 5 1.00 g/cm3), the flask and its…
A: Given: Mass of the empty Erlenmeyer flask= 241.3g Density of water = 1.00 g/cm3 Mass of flask filled…
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A: 8) Given: Number of pallets = 2 pallets Number of crates in 1 pallet = 6.00 crates. The number of…
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A: Given, Density is 1.19 g/L The room measurements are 13.5 × 17.5 × 6.0 ft
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A: Given: specific gravity of nitric acid =1.42 density of water at 250c= 62.4 pounds/ cubic feet and…
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Q: Q3WThe density of a waste water was 84 lbm/ft' in a waste treatment pond of 5000 cm long and 1500 cm…
A: Given data : Density = 84 lbm/ft3 = 84 * 0.45359 * (3.2808)3 = 1345.49 kg/m3 Long = 5000 cm = 50 m…
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A: Density is related to mass of substance and its volume by the relation:Density = Mass (m)/Volume…
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A: Given that,Mass of piece of metal = 27.0 gVolume = 5.8mLNow you calculate the density in mg/L
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A: Given: Mass of wood = 64.02 g. And dimensions of wood = 15.0 cm × 11.0 cm × 5.50 cm.
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A: Given that, Density of pure water = 1 g cm-3 Density of cylinder = less than 1 g cm-3
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Q: 8.7 Q: What is the acceleration due to gravity at a location where a 15-kilogram mass weighs 45…
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A: Surface area of pool = 50 m x 25 m = 1250 m2 lower the water level 8.00 cm = 0.08 m
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A: (a) Record the given data, The given volume of the liquid is 25.0 mL. The given mass of the liquid…
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A: Ans Density = mass in gm/ volume in cm3 Given mass = 194.3g Volume = 260.5mL = 260.5 cm3 (1 mL =…
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Q: 6. An empty Erlenmeyer flask weighs 241.3 g. When filled with water (d = 1.00 g/cm³), the flask and…
A:
Q: An empty Erlenmeyer flask weighs 241.3 g. When filled withwater (d=1.00 g/cm³), the flask and its…
A: Given data: Mass of Erlenmeyer flask = 241.3 g Density of water = 1 g/cm3 Mass of…
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A: Density required is 1.313g/ml,means 1.313 gm of sucrose need per gm of water.
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Q: An empty Erlenmeyer flask weighs 201.9 g. When filled with water (d = 1.00 g/cm), the flask and its…
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Q: an object weighing 16.9 g into an open vessel that is full of ethanol, so that a volume of ethanol…
A: Given: mass of object=16.9 gnew weight of vessel=10.6 g higherdensity of ethanol=0.789 g/cm3 To…
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- Why can the length of the pin shown in Fig. 2.5 not be recorded as 2.850 cm?ECture 1_all.mp4 - Google Drive X A Classes u/0/c/M)Y1MDI1MT95MTM3 lute 50 mlL of the concentratc 00 mL Open with Describe the preparation of 750 mL of 6.00 M H;PO, frc.n the commercial reagent that is 86% H2PO, (w/w) and has a specific gravity of 1.71.9. The method described in Problem 5-8 is to be used for the analysis of ores that assay about 1.2% gold. What minimum sample mass should be taken if the relative error resulting from a 0.4-mg loss is not to exceed(a) -0.1%? (b) -0.4%? (c) -0.8%? (d) -1.1%? Here is the number 5-8 5. Describe at least three ways in which a systematic error might occur while using a pipet to transfer a known volume of liquid.6. How are systematic method errors detected?7. What kind of systematic errors are detected by varying the sample size?8. A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative error caused by this result if the mass of gold in the sample isa. 500 mg. b. 50 mg. c. 150 mg.d. 70 mg.
- How many milligrams are in 0.250 mmole CHC16HızNaHNS2 (A.wt: C=12, H=1, N=14, S-32)You have a stock solution certified by a manufacturer to contain 175.0 + 0.3 mg SO;-/ml. You would like to dilute it by a factor of 100 to obtain 1.750 pg/mL. Two possible methods of dilution are stated. For each method, calculate the resulting absolute uncertainty in concentration. Use the manufacturer's tolerances in the table for uncertainties. Glassware Tolerance 1-mL transfer pipet 10 mL transfer pipet 100-ml volumetric flask +0.006 ml. 10.02 ml. +0.08 ml. Method A: Dilute 10.00 mL up to 100 mL with a transfer pipet and volumetric flask. Then take 10.00 mL of the dilute solution and dilute it again to 100 mL. absolute uncertainty: + wg/mL Method B: Dilute 1.000 ml. up to 100 ml. with a transfer pipet and volumetric flask. absolute uncertainty: + wg/mL Why is one method more precise than the other? O Method B is more precise because the percent relative uncertainty in the l-mL pipet is 0.6%, which is 3 times larger than the uncertainties of the other glassware. O Method B is more…ccess COWLv2 | Online teaching and I [References] Use the References to access important values if neede- A recipe calls for a cup and a half of coconut oil. Calculate its mass in grams if its density is 0.924 g/cm³. ( 1 qt=4 cup, 1 qt = 0.946 L). Mass= Submit Answeli g prod02-cnow-owl.cengagenow.com Unit 1 Homework_1 Try Another Version 1 item attempt remaining Click to have your response(s) scored by OWL. *Note that you will not be able to change your response(s) to this version of the item.
- 29-CHEM 101 HW 3-Convers X app.101edu.co Aktiv Chemistry ype here to search Google Translate O EI ASWSUV X G mass of cylinder Google Search X Bronze is an alloy made of copper (Cu) and tin (Sn). The volume of the cylinder is 6.010 x 10³ cm³. The composition of the bronze is 79.42% Cu and 20.58% Sn and the densities of Cu and Sn are 8.94 g/cm³ and 7.31 g/cm³, respectively. Calculate the mass of the bronze cylinder. Question 14.b of 16 acer + 1 4 7 +/-Which is more accurate, a transfer pipet or a measuring pipet? How much is the uncertainty in microliters when you deliver (a) 10 !L or (b) 100 !L from a 100- !L adjustable micropipet?5-8. A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative error caused by this result if the mass of gold in the sample is *(a) 500 mg. *(c) 150 mg. (b) 250 mg. (d) 70 mg.
- 2a. Volume in graduated cylinder , indirect method - volume of a 400mL Beaker(2 methods) measure in to the 10ths place. Fill#1/Fill#2/Fill#3/Fill#4/Fill#5/= Total Volume . 2b. Direct Method ( use formula for the volume of a cylinder):V=nr(2)h {show work} Radius/ height/ n-3.1415/ Volume (n r2 h)5. Sketch following: cubic: (111), (01-1) and , Deriu uithWrong (L) - calculator- Google Search d/1PrqdNDx-hBYyzKo-xfiM9-Jlq7EAaWe3GBt t3U3jDo/edit Calculator O A Land of Permane... t edit was seconds ago I U A 三| 扫 E▼ 三▼ 4 Fe + 30, - 2 Fe,0, 4. What volume (liters) of O, is required to react with 1.7 moles of Fe? 1.7 moles Fe 1 mole O. 224 LO, 4 moles Fe 1 mole O. * How many meles of iron would have to reacr to produce 35moles of tron ) oxide"
