Enormous numbers of microwave photons are needed to warm macroscopic samples of matter. A portion of soup containing 109 g of water is heated in a microwave oven from 20.°C to 93.°C, with radiation of wavelength 91 mm. How many photons are absorbed by the water in the soup? The specific heat of water is 4.184 J/g°C Enter your answer, using scientific notation, in a format such as 1.2345e23 (to 4 decimal places).

Q: A heat lamp produces 22.5 watts of power at a wavelength of 7.0 μm . How many photons are emitted…

A:

Q: A certain microwave oven delivers 750 watts (J/s) of power to a coffee cup containing 41.0 g of…

A: Given: Power delivered by oven = 750 watts = 750 J/sMass of water = 41.0 gTemperature of oven = 35.3…

Q: A certain microwave oven delivers 750 watts (J/s) of power to a coffee cup containing 35.1 g of…

A: Time taken and energy of photon is calculated for given

Q: An ampule of napthalene in hexane contains 5.00x10^-4 mol napthalene. The napthalene is excited with…

A: Given: 5.00 × 10-4 mol naphthalene in an ampule wavelength = 349 nm Energy emitted = 15.5 J…

Q: A 100-watt light bulb radiates energy at a rate of 100 J/s. (The watt, a unit of power or energy…

A:

Q: Be sure to answer all parts. How fast must a 143.7-g baseball travel in order to have a de Broglie…

A: De Broglie's equation: λ=h/mv Here h=planks constant m=mass of the object v =velocity   89 x10-12…

Q: With some manipulation, the Rydberg equation can be rewritten in the form (뉴 2) -#) 1 E = constant x…

A: Recall the given equations        E=constant×1nf2-1ni2and 1λ=RH×1nf2-1ni2Again recall the following…

Q: Calculate the wavelength of each of the following frequencies of electromagnetic radiation. 100.6…

A: The relation between frequency and wavelength is,

Q: The net change during photosynthesis involves CO2 and H2O forming glucose (C6H12O6) and O2.…

A: A balanced thermochemical equation for formation of 1.00 mol of glucose has to be given.

Q: Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies.…

A: Given: The frequency of radiation, (ν)=102.2 MHz = 1.022×108 Hz or s-1,

Q: (a) Ozone formation in the upper atmosphere starts when oxygen molecules absorb UV radiation of…

A: (a) The frequency and energy of least energetic of photons has to be calculated. The given…

Q: One of the frequencies used to transmit and recurve cellular telephone signals in the united states…

A: Cellular networks are playing a very important role in passing of information. These networks are…

Q: A 5.00-mL ampule of a 0.100-M solution of naphthalene in hexane is excited with a flash of light.…

A: Molarity - ratio of number of moles of solute to the volume of solution in litres. Formula is,…

Q: A certain microwave oven delivers 1250 watts of power to a coffee cup containing 125.0 gm of water…

A: Given: Power of microwave oven= 1250watts Mass of water= 125.0 g The wavelength of the microwave =…

Q: The total energy of a mole of photons of a particular type of IR light is 10.7025 kJ. What is the…

A: Energy of one photon is inversely proportional to the wavelength of the radiation. Higher the energy…

Q: On February 18, the news Mars rover landed in the Herezo Crater. It communicates with Earth via…

A: Microwave is an electromagnetic wave which travel with a speed of 3.8 × 108 m/s.

Q: 4. A carbon-oxygen double bond in a certain organic molecule absorbs radiation at a frequency of…

A: The wavelength of the absorbed radiation is calculated as shown below where c, v, and λ are the…

Q: Calculate the wavelength of each of the following frequencies of electromagnetic radiation: 1.…

A: The wavelength and frequency have contrary relationship that means if the value of one of them…

Q: 9. The work function of a collected metal is 8.0 x 10-10 J. Should a radiation of 150 nm hit the…

A:

Q: 1012

A: Energy = h • v  Where : h = constant = 6.626 • 10^-34 Js  And v = frequency = 5.2 • 10^12 s-1

Q: A laser pointer used in the classroom emits light at 5950 Å, at a power of 4.00 mW. (One watt is the…

A: The expression to calculate the number of photons is given by, Number of photons = Total…

Q: 7.78 Enormous numbers of microwave photons are needed to warm macroscopic samples of matter. A…

A: We have 252 g of water, temperature rise from 20 to 98°C, wavelength of radiation as 1.55*10-2 m ,…

Q: Suppose that the microwave radiation has a wavelength of 12.4 cm. How many photons are required to…

A:

Q: What is the wavelength (A, in m) of a radio station operating at a frequency of 99.6MHZ? O 0.332m O…

A: To solve this problem we will use the formula   λ = c / v  Where,  λ = wavelength of radio waves…

Q: Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies.…

A: Energy of the photons of electromagnetic waves related with frequency , which is known as Planck's…

Q: The mass of a golf ball is 45.9 g . If it leaves the tee with a speed of 73.0 m/s , what is its…

A: De Broglie equation provides the relationship between wavelength of a particles and its mass which…

Q: 2. Arrange the following electromagnetic radiation in order of their increasing energy. Radio,…

A: we are to arrange given electromagnetic radiation in increasing order of energy. Radio wave, UV,…

Q: Calculate the wavelength of each of the following frequencies of electromagnetic radiation. 104.8…

A: The question is based on the concept of dimensional analysis. we have to calculate  the wavelengths…

Q: A proton travels through space with an effective wavelength of 3.00x10^-12 m. What is its speed?

A: The de Broglie equation of wavelength is given below.

Q: A laser pointer used in the classroom emits light at 5850 Å, at a power of 4.00 mW. (One watt is the…

A: According to Plank's law energy is dependent inversely on wavelength of light  and directly on…

Q: 1 & 2. One type of sunburn occurs when skin is exposed to UV light of wavelength in the vicinity of…

A: a.) To calculate energy of the given wavelength ( 310 nm) , we would use relation between energy and…

Q: A green leaf has a surface area of 2.50 cm2. If solar radiation is 1000 W/m2, how many photons…

A:

Q: A 491 g portion of soup is heated in a microwave oven from 25.0°C to 90.0°C, using radiation with a…

A: Given, A 491 g portion of soup is heated in a microwave oven from 25.0°C to 90.0°C, using radiation…

Q: What is the wavelength of a UV photon with a frequency of 3.529 x 1o45 s1? Enter your answer in…

A:

Q: What is the frequency in kHz of a photon with a wavelength of 50.7 nm?

A: Frequency is defined as the number of cycles per second. Wavelength is defined as the distance…

Q: How fast must a 144.9−g baseball travel in order to have a de Broglie wavelength that is equal to…

A: De-Broglie equation is given as,

Q: Determine the energy of 1.70 molof photons for each of the following kinds of light. (Assume three…

A: Given information:Number of moles = 1.70 molWavelength of radiation = 140 nm

Q: Microwave ovens have become increasingly popular in kitchens around the world. They are also useful…

A: Given, Note: 100 cm = 1 m Wavelength of microwave (λ) = 12.2 cm = 0.122 m Frequency of the microwave…

Q: A 437 g portion of soup is heated in a microwave oven from 25.0°C to 90.0°C, using radiation with a…

A: Given,  Mass of the Soup = 437g grams Initial Temperature of the Microwave Oven, Ti = 25. 0°C Final…

Q: If the electron in a hydrogen atom undergoes a transition from an n=5 level to an n=3 level, what is…

A:

Q: A 327 g portion of soup is heated in a microwave oven from 25.0°C to 90.0°C, using radiation with a…

A: Energy absorbed by the soup, E=mC∆T Energy of a photon, E'=hcλ

Q: Knowing that it is a frequency of 4.76 x 10^14 Hz and once the light saber is running perfectly,…

A: Given data : Frequency of light = 4.76 x 1014 Hz We can use the Einstein equation, E=hνwhere E is…

Q: With some manipulation, the Rydberg equation can be rewritten in the formE=constant×(1nf2−1ni2)which…

A: Energy of transition can be calculated using Rydberg equation.

Q: The ultraviolet spectrum can be divided into three regions based on wavelength: UV-A (315–400 nm),…

A: Ultraviolet radiations are considered particularly harmful to the Environment. They are classified…

Q: How fast must a 140.1-g baseball travel in order to have a de Broglie wavelength that is equal to…

A: Given : de Broglie wavelength of the baseball = 89.0 pm = 89.0 X 10-12 m                (Since 1 m =…

Q: Enormous numbers of microwave photons are needed to warm macroscopic samples of matter. A portion of…

A:

Q: 1. Determine the wavelength of a radio station transmitting a broadcast at 520 Megahertz. а) b) 0.57…

A: Given,  Frequency of the radio station = f = 520 MHz  Find the wavelength of the radio station = λ =…

Q: Suppose you are standing 225 m from a radio transmitter. What is your distance from the transmitter…

A: The relationship between frequency and wavelength is:

Q: How fast must a 56.5-g tennis ball travel in order to have ade Broglie wavelength that is equal to…

A: Mass of tennis ball, m = 56.5 g or 0.0565 kg Wavelength, λ = 5400 A◦ 1 A◦ = 10-10 m So, the…

Q: Enter your answer in the provided box. The UV light that is responsible for tanning the skin falls…

A: Given UV light region responsible for tanning the skin = 320-400 nmAverage of wavelength = 320 +…

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.