If a piece of aluminnum foil has a length of 27.94cm, a width of 22.86cm, and a thickness of 2.54*10^-3cm, what is the mass of the foil.

Q: Express the results of the following calculation in scientific notation 0.0121 cm to the power of 2…

A: Scientific notation is a method of writing a very large and small numbers.

Q: Use the formulas below and the data in the table to fill in the empty spaces in the table. (Apply…

A: The equations we will be using in filling the tables are  1) Area = Length X Width

Q: A cylindrical glass tube 12.7 cm in length is filled withmercury (density = 13.6 g/mL). The mass of…

A: Given, Length of cylindrical tube = 12.7 cm Density of mercury = 13.6 g/mL mass of mercury = 105.5 g…

Q: 5. In x = -1.45 + In(5.0 × 10) x-?

A: • The given problem is,      ln x = - 1.45 + ln(5.0 × 10-7)     • We need to calculate the value of…

Q: A U.S. 1-cent coin (a penny) has a diameter of 19 mm and a thickness of 1.5 mm. Assume the coin is…

A: Given data:

Q: 1. In 1992, the first planets outside the Solar System were detected approximately 1300 light- years…

A: 1. As 1 light year =3.725×1017 inches

Q: What is the volume and thickness of the aluminum foil given 0.405g (mass), 9.5 (length), 9.6…

A: Given:   The mass of aluminum foil is 0.405 g. The length of aluminum foil is 9.5 cm. The width of…

Q: What is the mass of a magnesium block that measures 2.5cm x 3.5cm x1.5cm ?

A: This is a density related problem.Given the dimensions of a magnesium block, we have to calculate…

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: A U.S. 1-cent coin (a penny) has a diameter of 19 mm and athickness of 1.5 mm. Assume the coin is…

A: Given: Diameter of coin, 2r= 19 mm, r=9.5 mm= 0.95 cm Thickness of coin, h= 1.5 mm =0.15 cm Density…

Q: 1. The radius of a potassium atom is 0.227 nm. Express this radius in the unit centimeters.   2.…

A: In the given question, conversion of the given length measurement.

Q: Determine the diameter of the following Cu (Copper) wire in atoms using the following information:…

A: Given : weight of wire = 0.535 g  And length of wire = 7.4 mm = 0.74 cm…

Q: A student experimentally determines the density of water to be 0.9955 g/mL. The reported density of…

A:

Q: zinc and copper are used in the measurement of food. Are there other topics possible

A: A question based on measurement that is to be accomplished.

Q: Part 2 A block of wood which weighs 64.02 g and has the following dimensions: length of 15.0 cm,…

A: Mass of Wood block = 64.02 g Dimensions of wood block = length of 15.0 cm, width of 11.0 cm and…

Q: 49) Calculate the length of a copper wire having a diameter of 0.200 cm and a mass of 15.620 g. The…

A: The given values are: Diameter of wire is 0.200 cm.Mass is 15.620 g.Density of copper is 8.92 g/cm3

Q: A Rectangular sheet of lead shielding is placed over the chest of a patient in a dental office while…

A: Introduction :  We have to calculate mass of lead in grams  Given:  Sheet measurement : 75×50×0.20…

Q: radio waves travel at the speed of light, which is 3.00 x 10^8 m/s. How many kilometers will radio…

A: Velocity = displacement /time Velocity = 3*108 m/s 1m = 10-3km 1 min = 60s, 1hr = 60*60 = 3600s 1day…

Q: A piece of aluminum foil has a known surface density of 15 g/cm2. If a 100-gram hollow cube were…

A: Given: Surface density is 15 g/cm2. Mass is 100 g.

Q: A 1.00 m long beam of stainless steel with a square 2.00 cm times 2.00 cm cross section has a mass…

A: Since density of any metal is given by  Density = mass of metal / volume of metal

Q: The radius (r) of a silver atom is 160 picometers (1 pm = 1 × 10–12 m). Estimate the thickness of…

A: First convert the unit of radius from picometers to centimeters; 1 pm=10-10cm160 pm=160×10-10cm

Q: 30 30 20 20 10 10 cm cm cm cm 1) (3) 2)

A: A ruler scale is a tool which is used to measure length and in both metric and customary units.  In…

Q: The aluminum foil in a package containing 75 square feet of foil weighs 12 ounces.  Aluminum has a…

A:

Q: The diameter of a deoxyribonucleic acid (DNA) molecule is about 20 angstroms. Express the surface…

A: Given: Diameter of DNA molecule, d = 20 Angstroms                                                 =…

Q: Which of the following has the smallest diameter? A Human hair B Combustion particles Fine beach…

A:

Q: un 1066mm- Icm 4 A gold bar has a mass of 12.4kg. What is its mass in milligrams (mg)? 5. The human…

A:

Q: Suppose that the unknown solid object was not a cube but a rectangular prism that has the same…

A: Considered the cube, having the length of each side is l. So, the cube volume is equal to l3.

Q: 17. The element magnesium (Mg) can react with oxygen gas (O2) in the air to produce magnesium oxide,…

A: When Mg react with O2  it gives out MgO whic is white powder. The reaction for this changes is: 2Mg…

Q: Iridium has a density of 22.42 x 103 kg/m3. The mass of a weighing boat is tared to zero and the…

A: GIVEN: mass of a piece of iridium and the weighing boat = 107.554 g. Initial volume reacding of…

Q: 22. The density of magnesium is 1.74 g/cm. What is the mass of a magnesium block that measures 2.5…

A:

Q: A person is told that there are 60 minutes in an hour and also that a section of fence is 60 feet…

A:

Q: A thief uses a can of sand to replace a solid gold cylinder that sits on a weight-sensitive, alarmed…

A: the volume of a cube is given by, V=πr2hr is radius of cylinderh is height of the cylinderHere the…

Q: A sheet of aluminum foil is 85.0 cm long, 35.0 cm wide, and 0.250 mm thick. aluminum has density of…

A: Density of Aluminium = 2.70 g/mlAluminium sheet Length = 85 cmwide = 35 cmThickness = 0.250 mm…

Q: What is the edge length of a cube whose mass for aluminum is 3.44g? Density is 2.70 g/cm3 and Volume…

A: In this question, we want to determine the value of edge length.  You can see details Solution how…

Q: Senior High School students discover a vaccine that helps to cure the Covid19 virus. The President…

A:

Q: An example of a semiconductor is ZnS with a particle diameter of 1.8 nanometers. Convert this value…

A: Applying basics relationship between nm to dm and nm to inches.

Q: 5. A student tests an unknown substance that she believes to be a metal. Which of the following…

A: Metals are usually crystalline solids. In most cases, they have a relatively simple crystal…

Q: The range of a Pena partide with IMeV energy in aluminum if its density is 2.698 gm cm and its mass…

A:

Q: 8. L0s t213.15= 318.18K 2. A woman is 5 ft 5 in tall and weighs 140 lb. Express these values in the…

A: SI System: It is the standard unit system and it is used to express the magnitude of the quantities.…

Q: what is the thickness of a material that spreads over an area of 600 cm2  and has a volume of 0.25…

A: Thickness: Volume divided by the area gives the thickness of any object.

Q: Suppose that the unknown solid object was not a cube but a rectangular prism that has the same…

A: Whether the mass, volume, density increase, decrease or stay same, if the unknown solid is supposed…

Q: What type of quantity (length, volume density, etc.) do the following units indicate? Unit Length…

A: Unit is a measurement of an quantity. Without units, a number is not significant.

Q: A light year is the distance light travels in 1.00 year.  Given the velocity of light, 1.86 x 10(to…

A: Different units are used to express the volume and mass of substances such as grams, micrograms,…

Q: Honestly i'm really confused on even where to start? Do I need to use the density formula?

A: Density of the substance can be calculated as:Where, d is densitym is mass of substanceV is volume…

Q: A slab of lithium (Li) weighs 1.49 X 10^3mg and dimensions of 20.9mm, 11.1mm, and 11.9mm. A)…

A: Given that -  Weight of lithium ,Li = 1.49×103 mg = 1.49 g = 0.00149 kg  Dimension of slab = 20.9…

Q: Which of the following has the smallest diameter?   Pollen   Combustion particles   Human hair…

A: Small sized particles diameter is measured in micron unit. Here some small sized particles are…

Q: If the denisty of Platnuim is 19.32 g/cm3 what could the dimnesions of a cube be that weighted 1.00…

A:

Q: The distance between two adjacent peaks on a wave is called the wavelength.(a) The wavelength of a…

A: Given: Wavelength of UV light = 247 nm Wavelength of red light = 6760 pm W1 is the wavelength of the…