Consider a cellphone operating at the radio frequency of 2.99 x 108 s1. What is the wavelength of the photons it emits? Enter your answer in meters, as a plain number without scientific notation. 1

Q: What are the 15 parts of a microscope? Differentiate the Optical Parts and Mechanical Parts.

A: Microscope is the instrument used to view very small objects or substance.

Q: The energy of a photon is 4.12 x 10 4 J. What is its wavelength (in nanometers)? Enter your answer…

A: Given : Energy of photon = 4.12 x 10-20 J

Q: Consider the diagram below. 21 23 5x + 35° 25 26 45° 28 Which of the following is the value of x? A…

A: When parallel lines get crossed by another line ,corresponding angles are equal .

Q: An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm. What is the radius of a…

A: The radius of an atom is half of its diameter. 1 Å = 10−8 cm

Q: A radio wave has a frequency of 4.60  ×  108 Hz. What is the energy (in J) of one photon of this…

A: The relation between the frequency and energy is

Q: laser technician measures the wavelength of light from a new semiconductor laser. The wavelength is…

A: The question is based on the concept of unit conversions. we have been given wavelength in metres.…

Q: n an old movie, an archeologist is shown sprinting off with a gold statue. If the volume of the…

A:

Q: 4. If you were given an antique piece of jewelry and you were told that it was made of solid gold,…

A: There are several tests that are used to detect the purity of gold used by jewelry manufacturers…

Q: The subatomic particle known as the proton has a mass of 1.67x10-24 g and a diameter of 1.00x10-13…

A: Density is given by the expression: Density=MassVolume

Q: you are designing a rocket engine th uses a mixture of hydrazine and water as a propellant. this…

A:

Q: What is the frequency (in reciprocal seconds) of electromagnetic radiation with a wavelength of 1.29…

A: Given, the wavelength of electromagnetic radiation =1.29 cm i.e. λ =1.29 cm 1.29×10-2 mwe are asked…

Q: Determine the wavelength of an electron that has a kinetic energy of 1.15 x 10-19 J. Report your…

A: Kinetic energy = 1.15 × 10-19 J  Wavelength of an electron (in nm) = ?

Q: A 232 lb fullback runs 42 yd at 19.8 +_ 0.1 mi/h. what is the uncertainty of his position?

A: Given information:Mass = 232 lbVelocity =19.8 ± 0.1 mi/h

Q: The radius of a tantalum atom is 142 pm. How many tantalum atoms would have to be laid side by side…

A: Given: Radius of tantalum atom = 142 pm And total distance given = 2.85 mm.

Q: What are the basic SI units for (a) the wavelength of light,(b) the frequency of light, (c) the…

A: Wavelength of light- Wavelength of light is distance from one trough to another trough or one…

Q: What is the energy in Joules of one mole of photons of visible light having a wavelength of 6.31 x…

A: The energy of electromagnetic radiation is quantized. The smallest unit of energy of the radiation…

Q: Ultraviolet light rays can be harmful and helpful to humans. O True O False

A: The Ultraviolet light is high energy radiation having energy greater than visible light.

Q: Sodium vapor lamps are often used in residential street lighting. They give off a yellow light…

A: Hey, thanks for your question. We are authorised to solve only one question at a time. Please post…

Q: 1-2) The Atomic Hotel The Atomic Hotel is a special hotel designed for electrons. The hotel has a…

A: We need to determine the electrons which do not follow Aufbau principle and Pauli Exclusion…

Q: By one estimate, an electron travels around the nucleus of an atom at a speed of 1.50 x 10^6 m/s.…

A: A) To change m/sec into km/Hr we multipy 18/5 1.5×106×18/5= 5.4×106km/hr

Q: The vitamin niacin (nicotinic acid, C6H5NO2) can be isolated from a variety of naturalsources such…

A: To find: The source of nicotinic acid which is best for use in a multivitamin tablet.

Q: An X-ray beam has a frequency of 1.45 x 1018 Hz. What is the wavelength of this electromagnetic…

A:

Q: Explain what is meant by the n+1 rule?

A: The arrangement of the electrons in the different atomic orbital of an atom is known as the…

Q: that

A: Dear student I have given answer to your question in the image format.

Q: If you have a 100. Watt lamp, about how many photons are emitted per second, assuming the majority…

A: Wavelength, λ = 549 nm = 549 × 10-9 m As we know that, E = h × c/ λ So,

Q: How does the study of chemistry relate to other areas of study in science?

A: Chemistry is that branch of science which deals with the chemical nature of substances such as their…

Q: Locate each element in the periodic table and classify it as a metal, nonmetal, or metalloid. a.…

A: Titanium belongs to group 4 and is present in d block. It is a metal. Chlorine belongs to group 17…

Q: Do you think that heat and light have mass? Do they occupy space? Why

A: Mass: It is the quantity that represents the amount of substance or matter present. It is typically…

Q: calculate the percent error

A: 1. Actual density = 1.15 g/mL Theoretical density = 1.0 g/mL % error = (Actual - Theoretical) /…

Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.5 g/cm3.

A: Given that the diameter of star =6×105 km. Since, diameter= 2r So radius is calculated as: Now, the…

Q: 4. A satellite flying by Jupiter takes a picture of the Great Red Spot. How long does it take the…

A: Given : Distance = 892 million km

Q: The vitamin niacin (nicotinic acid,C6H5NO2) can be isolated from a variety of natural sources such…

A:

Q: How long does it take, in minutes, for light to reach Mercury from the Sun, a distance of 5.56x10^7…

A: Given that,Distance between mercury from the sun = 5.56×107 KmChange unit from Km to m1 Km = 1000…

Q: The mass of an unidentified rock is 15.5 grams. Students determine the volume of the rock by placing…

A: Tables -   Rock                 Density Range (g/cm3)  Coal.                    1.1 - 1.4…

Q: Part D 1.5630 x 1011 n m O 1 2 O 3 O 4 O 7 O 5 O 6 Tho numho of significant fig

A:

Q: Approximately how far does light travel in 3.154 x 107 seconds?

A:

Q: Be sure to answer all parts. An FM station broadcasts classical music at 91.9 MHz (megahertz, or 106…

A: 1 MHz is equivalent to 106 Hz. 91.9 MHz is equivalent to 9.19 × 107 Hz. The relationship between…

Q: Which of the following is NOT true? Select one: a.SEM is used to analyze the chemical composition,…

A: SEM- scanning electron microscope is technique which is used to analyse the topography (means how…

Q: Calculate the mass of a star having a diameter of 6E5 km and an average density of 1.3 g/cm3.

A:

Q: Light was measured to have a frequency of (8.09x10^3) Hz. What was the wavelength in mm? c = 3.00 x…

A:

Q: The wavelength of yellow light is about 550nm. How many cm is this?

A: Unit of wavelength can be converted from nm to cm using the given equation.

Q: Much of the evidence for the existence of atoms comes from Multiple Choice chemistry. mechanics.…

A: Atom is the smallest individual particle having its existence.

Q: The brightest object in the sky is what? A. The Sun B. The Moon C. Venus D. Mars

A: Of course, the star that appears the brightest to all of us on Earth is the Sun.

Q: Incomplete The closest star, other than the sun, to earth is Alpha Centauri, which is 2.57 x 1013…

A: The distance of newly discovered strat from the earth is 6.45×1016 miles. The speed of light is…

Q: Explain in 5 to 6 sentences how Hans Christian Oersted explained that magnetic properties of…

A: Interpretation- We have to explain that how Hans Christian Oersted explained that magnetic…

Q: What is the wavelength of radiation in your microwave oven, whose frequency is 2.45 GHz?

A: Wavelength , λ = cν                           = 3 x 108 m/s2.45 x 106 s-1                          =…

Q: A laser technician measures the wavelength of light from a new semiconductor laser. The wavelength…

A: Given : wavelength of light = 7.704 × 10-7 m  To convert :- 7.704 × 10-7 m to nm

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A: The density of a substance is related to the mass of the substance (M) and the volume (V) as…

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.