Platinum, Pt, is one of the rarest of the metals. Worldwideannual production is only about 130 tons. Platinum has a densityof 21.4 g>cm3. If thieves were to steal platinum from a bank usinga small truck with a maximum payload capacity of 900 lb, howmany 1 L bars of the metal could they take?(a) 19 bars (b) 2 bars (c) 42 bars (d) 1 bar (e) 47 bars

Q: The diagram on the left represents the result of a process. Which of the diagrams [(i) to…

A: The diagram which represent the starting material if the process were physical, and which could…

Q: Suppose that instead of using the cylindrical rod of Example 1-2 to prepare a 1.000 kgmass we were…

A: The volume of a spherical ball will be directly proportional to the cube of the radius of the…

Q: Copper can be drawn into thin wires. How many meters of 34-gauge wire (diameter 5 6.304 x10-3 in)…

A: Given information is as follows; Percentage of copper by mass = 66%  Fraction of copper by mass =…

Q: ange alcohol burning- Chemical Change alcohol boiling– Onsical change 2. In boiling water, the…

A: In  boiling  water,  the bubbles  contain-a  a  mix  of  hydrogen  gas  and  oxygen gas  in  a 2:1…

Q: 1. What is the density of a solid if a sample occupying a volume of 16.53 mL wei 85.4 g? 2. Why does…

A: Given: The mass of the solid is 85.4 g. The volume occupied is 16.53 mL.

Q: Carry out each of the following calculations, paying special attention to significant figures,…

A: Significant figures are the number of digits in a value, often a measurement, that contribute to the…

Q: the us national institute of standards and technology used mercury gauge as a primary standard for…

A: given, mass of mercury = 225 kilogram = 225000 grams density of mercury = 13.6 g/mL

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: The density of air at ordinary atmospheric pressure and 25 ∘C is 1.19 g/L. What is the mass, in…

A: Given, Density is 1.19 g/L The room measurements are 13.5 × 17.5 × 6.0 ft

Q: A Canadian, driving in the U.S.A., fuels their car at a cost of US$3.74 per gallon (US).The current…

A: Amount of the car fuel can be calculated as given below:

Q: When a piece of aluminum is placed in a 25-mL graduated cylinder that contains 10.5 mL of water, the…

A: Density is given by the ratio of mass of the substance to that of the volume.

Q: Calculate the volume in in3 of a 5.0 kg bar of copper.

A: The relation between volume and mass is given as: Density = mass/volume So, volume = mass/density…

Q: WhalefossilsfoundintheSaharaDesertprovetheregionwasoncecoveredin water. Remnants of that water,…

A: Given: Mass of fossil water = 1.65 × 1014 tons. Density of water = 1.00 g/mL.

Q: 4. Given the schematic notation: Cu | Cu (0.0200 M) | Ag le

A: Cell notation  At anode : oxidation Cu (s)  ------> Cu2+ ( aq) + 2e-        E°( Cu2+/ Cu) = 0.34…

Q: 13. The mass of water delivered by a buret is 11.8159 g at 15 °C. What is the calculated actual…

A: Density is defined as mass of the substance upon the volume occupied   density = mass / volume…

Q: Assuming that gasoline is 100% isooctane and that the density of isooctane is 0.792 g/mL, what mass…

A: Given reaction,        C8H18 + 12.5O2  → 8CO2 + 9H2O

Q: Lipitor, a pharmaceutical drug that has been shown to lower "bad" cholesterol levels while raising…

A: Given  The mass of the 1 pill = 1.0g  Active ingredient contain in each pill = 5.5% i.e., (5.5/100)…

Q: How many mL of paraffin wax would it take to make a candle of this size, with a volume of 11.0 in³ ?

A: Given: Volume = 11.0 in3.

Q: 3. What is the volume of a aluminum ball at 10°C if its volume at 160°C is 300cm3 ?

A: Case: I (initial)Initial temperature, T1= 10∘CInitial volume,V1= ?Case:ii  (final) Final…

Q: What number is 5.12234 E1 in standard form?

A:

Q: What is 393.83 kJ/mol rounded to three significant figures?

A: Based on the significant figures rule, the number to be rounded off is followed by digit zero or…

Q: A soda bottle is flexible enough that the volume of the bottle can change even without opening it.…

A:

Q: Express the answers to the following calculations inscientific notation:(a) 145.75 + (2.3 × 10−1)(b)…

A: Scientific Notation: It is a way of expressing number in the form of powers of 10 to specify the…

Q: m. How many times can you divide evenly a 893.4 cm long piece of copper wire until it is reduced to…

A: Given : The radius of copper atom = 1.3×10-10 To find : Number of evenly cuts or number of times.…

Q: 2.3E23 molecules of sugar (CH120,) would weigh how many grams?

A: The moles are the unit of the substance and it is explained as 6.022×1023 atoms/molecules/ions. It…

Q: What is the value of 98 °F in units of °C?

A: oF can be converted to oC by using following formula.  (oF -32) x (5/9) = oC

Q: Suppose that instead of using the cylindrical rod of Example 1-2 to prepare a 1.000 kg mass we were…

A: Given:Mass = 1.000 Kg = 1000.00 gDensity = 8.96 g/cm3

Q: What is the mass of a golf ball traveling at 71.8 ms1? The rest mass of a golf ball is 45.9 g, as…

A: 45.9 g is the answer

Q: A bottle of drinking water is labeled 24 fluid ounces (710 mL).” What is the mass in milligrams of…

A: Given: Bottle has 24 ounces of water = 710 mL of water. And volume of water = 0.69 fluid ounces.

Q: (a) After the label fell off a bottle containing a clear liquid believedto be benzene, a chemist…

A: (a) Record the given data, The given volume of the liquid is 25.0 mL. The given mass of the liquid…

Q: 1. HNO,„H,SO, 2. СH, CІ, AICI,

A: The first step reaction is the nitration of benzene : Nitration happens when one (or more) of the…

Q: To wire your stereo equipment, you need 325 centimeters (cm) of speaker wirethat sells for $0.15/ft.…

A: Convert centimetre into feet. 1 cm = 0.0328 foot325 cm = 325 × 0.0328 foot325 cm = 10.66 foot or…

Q: An empty vial weighs 55.32 g. (a) If the vial weighs 185.56 gwhen filled with liquid mercury…

A: (a)  Mass of empty vial = 55.32 g Mass of empty vial + liquid mercury = 185.56g Thus, mass of liquid…

Q: A cylindrical bar was found at the bottom of a storage tank of unknown composition. The material had…

A: We have to calculate the density of material.

Q: Aluminum is a lightweight metal (density = 2.70 g/cm3)used in aircraft construction, high-voltage…

A: Conversion : 1 kg/m3 = 10-3 g/cm3  density = 2.70 g/cm3              = 2.70 x 103 kg/m3

Q: Aluminum (Al) – Lithium (Li) alloys are widely used in the aircraft industry to reduce weight and…

A: According to the question we have, The desirable density is given by ρ = 2.50 g/cm3 and we know…

Q: Which of the following statements is FALSE? O The mass percentage of calcium in calcium phosphate is…

A: Answer - The False statement is (e) and (a) The mass percentage of calcium in calcium phosphate is…

Q: The distance from Earth to the Sun is 1.50 x 10 km. What is the distance expressed in gigameters?…

A: Convert Km to Gm ---

Q: X (i) (ii) A,

A: In the question, we have the enthalpy diagram.  We need to express ∆Hz in terms of ∆Hx and ∆Hy.

Q: Li metal has a high capacity (3.82 Ah/g) and energy density (11,972 Wh/Kg).

A:

Q: 2. Assume the density of air at room temperature is 1.2 g/mL. A student is holding two balloons…

A: Given information, Density of air at room temperature = 1.2 g/mL Density of balloon filled with…

Q: 1. Using a glass syringe, a scientist draws exactly 25.5 cm of dry oxygen at 20.0 C trom a metal…

A: #1: Given the pressure of the syringe remains constant and equal to the atmospheric pressure. At…

Q: Which intensive physical property is observed when the droppings of a person seated inside a closed…

A: Intensive property is the one  does not depend on the amount of substance.

Q: What is the volume of a piece of diamond (ρ = 3.5 g/cm3) that has a mass of 0.65 kg?

A: Given : density of diamond = ρ = 3.5 g/cm3  And mass of diamond = 0.65 Kg

Q: The price of a ream of paper is $2.90. There are 250 sheets of paper in a ream. If a sheet of paper…

A:

Q: What is the standard 2C5H10(1) + 1502(g

A: Change of enthalpy during the formation of 1 mole of the substance from its constituent elements…

Q: To identify a liquid substance, a student determined itsdensity. Using a graduated cylinder, she…

A: Given data contains, Mass of the sample is 38.5g. Volume of sample is 45 mL. Density of propyl…

Q: What is the mass of a golf ball traveling at 88.1 ms1? The rest mass of a golf ball is 45.9 g, as…

A:

Q: How many gallons of octane, C3H18, having a density of 0.703 g/cm3, would have to be burnec

A:

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.