The distance between two adjacent peaks on a wave is called the wavelength.(a) The wavelength of a beam of ultraviolet light is 247 nano-meters (nm). What is its wavelength in meters?(b) The wavelength of a beam of red light is 6760 pm. What is its wavelength in angstroms (Å)?

Q: The distance between two atoms in a molecule is 148 pm. What is this distance in centimeters?

A: we know, 1 picometer(pm) = 10-12 meter(m) distance ( in m) = 148 pm  × 10-12 m / 1 pm = 148  × 10-12…

Q: A gallon (3.78L) of latex paint can cover 385 ft2 of the surface of a wall. What is the average…

A: Since, 1 L = 103 cm3∴3.78 L = 3.78 x 103 cm3Since 1 ft2 = 929 cm2∴ 385 ft2 = (385x929) cm2…

Q: Which of the following is a chemical property of Sodium?A.melts at 60°CB.soft solid C.density of…

A: Chemical property is a characteristic of a compound that can be observed after it undergoes in a…

Q: Which of the following is the greatest thickness: 1 mm, 0.1 cm, or 0.001 m?

A: 1mm, 0.1cm and 0.001 m are all of the same thickness.

Q: Suppose you have Avogadro\'s number of mini marshmallows and use them to cover the state of Nebraska…

A: It is required to calculate, to what height above the surface, in km, will the mini marshmallow…

Q: The density of air at ordinary atmospheric pressure and25 °C is 1.19 g/L. What is the mass, in…

A: When density of any specific matter (gas, solid, or liquid) is provided along with its occupied…

Q: The average radius of a molecule of lysozyme, an enzyme intears, is 1430 pm. What is its radius in…

A: Length can be measured in different units such as meter, kilometer, picometer, centimeter, nanometer…

Q: Which of the following is a physical change? Freezing soup Cooking shrimp Electrolysis f water to…

A: Physical change is a process which involves transformation of substance from one form to another…

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: The diameter of a copper (Cu) atom is roughly 1.3 x 10-10 m. How many times can you divide evenly a…

A: Given :- Length of copper wire = 10 cm Diameter of wire = 1.3 × 10-10 m

Q: The tablecloth on my dining room table is 2 m long, which is

A: The length of the table cloth is 2m long which we need to convert into cm and in

Q: The average annual rainfall on Mount Waialeale on Kauai, Hawaii is 460.1 inches What is this average…

A: The average annual rainfall on mount waialeale on kauai, Hawaii is 460.1 inches. We know one inch of…

Q: The diameter of a red blood cell is about 3 × 10−4 in. What is its diameter in centimeters?

A: Red blood cell (RBC) is the component of blood. It helps in the transport of oxygen to the body…

Q: If that same 225-g sample of water was frozen, what volume would it occupy, given that the density…

A: We have to determine the volume occupied by the 225 grams of the water sample that has been…

Q: How long (in minutes) would it take someone driving 31 m/s to travel 55 miles?

A:

Q: 7. The speed limit on a road in Mexico is 90 km/hr. What is this speed equivalent to in miles per…

A:

Q: The density of iron is 7.86 g/cm3. What is the volume in milliliters (mL) of an irregularly shaped…

A: • The values provided in the question are:-  i) Density of Iron, d = 7.86 g/cm3 ii) Mass of Iron, m…

Q: What is the density of lead (in g/cm3 ) if a rectangular bar measuring 0.500 cm in height, 1.55 cm…

A: Volume of the box = height x width x length = 0.500 cm x 1.55 cm x 25 cm = 19.375 cm3.

Q: The radius of a copper (Cu) atom is roughly 1.3x10−10 m. How many times can you divide evenly a…

A: The length of the two pieces of copper wire obtained after the final cut (which contain one copper…

Q: What is the mass, in pounds, of 8.32 quarts of olive oil, which has a density of 3.45 kg/gal?

A: Given: Volume of olive oil = 8.32 quarts And density of olive oil = 3.45 Kg/gal. Since 1 gal = 4…

Q: A subcompact car with a mass of 1.60×103 kg and a loaded dump truck with a mass of 1.60×104 kg are…

A: Since ,         kinetic energy KE=12mv2where ,           m=mass of moving particle…

Q: If amigrating loon flies at an average speed of 14 m/s, what is itsaverage speed in mi/hr?

A: The unit conversion has an important role in the calculation of numerical and some standard data.…

Q: Suppose you have Avogadro\'s number of mini marshmallows and use them to cover the state of Wyoming…

A:

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: is cutting a cake a physical or chemical reaction?

A: Physical change: a change after which nothing new is created and not old one is destroyed.

Q: How many minutes would it take to go 10.2 km at a speed of 7.65 mi/hr ?

A: Given: Speed = 7.65 mi/hr

Q: The density of methanol at 20.0 oC is 0.791 g/mL.  What is the mass, in grams, of a 280. mL sample?

A: Given : density of methanol = 0.791 g/mL And volume of methanol = 280 mL

Q: The average speed of the International Space Station as it orbits the earth is 7710 m/s.  What is…

A: Distance can be measured in different units such as meters , centimeters , kilometers , miles  Some…

Q: "If lemons cost $2.49 per pound and Alice makes $32.00 per hour, how many hours must Alice work to…

A: Often while calculating, there is a need to convert units from one system to another system. 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: 20. An object with a mass of 6.3 kg has a force of 7.1 newtons applied to it. What is the resulting…

A: The answers of the above questions are given in following steps.

Q: The radius of a copper (Cu) atom is roughly 1.3 × 10−10 m. How many times can you divide evenly a…

A: The radius is given as, 1.3 x 10-10 m. The diameter will be 2.6 x 10-10 m. Length of copper piece =…

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: If an electric car is capable of going 225 km on a singlecharge, how many charges will it need to…

A: Since 1 km = 0.621 miles The charges as the trip begin with a full charge is calculated as Since 1…

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

A: Significant figures can be defined as a total number of digits in number including the last digit…

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: 9. Which of the following statements does not describe a physical property of chlorine? A) Chlorine…

A: 9. Physical properties - Properties that can be measured without changing the identity of a…

Q: Suppose the metallic paper clips (which contain iron) had been replaced by magnesium or nickel.…

A: Ferromagnetism It is a property of substance in which metals act as a permanent magnets. Also it…

Q: The distance between two carbon atoms in a piece of diamond is 0.154 mn. what is this distance in…

A: Given: Distance = 0.154 nm Conversion factors: 1 pm= 1 x 10-12 m 1 nm= 1 x 10-9 m

Q: Which of the following is a physical property?     Which of the following items is a pure…

A: Interpretation-  There are too many questions which are given as above mentioned so just answer of…

Q: Sodium and potassium are both shiny metals in pure form, but corrode rapidly in the presence of…

A: The reaction of sodium and potassium with oxygen gas and humidity can be shown through the balanced…

Q: Suppose that an in-ground swimming pool has a length and width of 22.0 ft and 39.5 ft, respectively,…

A:

Q: How far does light travel in 4.0μs?

A:

Q: Which of the following is an element? Fe,(SO,), Li O2

A: The substances that have a tendency to occupy space are considered as matters. The matters can be…

Q: The radius of a copper (Cu) atom is roughly 1.3 ×10−10 m. How many times can you divide evenly a…

A: The length of the two pieces of copper wire obtained after the final cut (which contain one copper…

Q: If you have a coin made of the densest element that weighs 197.07 g, and has a thickness of 4.00 mm,…

A:

Q: Which of the following statements describe physicalproperties and which describe chemical…

A: Physical property - Physical properties are the property of matter which does not change its…

Q: B. Perform the following calculations, and give the correct number of significant figures in the…

A:

Q: The speed of light in a vacuum is 3.00 x 108 m/s. What is the speed of light in kilometers per hour…

A: