1. Using the Rydberg calculate the emission wavelengths and state the region of the electromagnetic spectrum of those wavelengths (UV, visible, or infrared) for electron transitions going from a. n-6 to n=3 b. n=3 to n=1 2. During relaxation, an electron emits a photon with a wavelength of 425nm. Assuming the electron was relaxing from the 5th energy level, use the Rydberg equation to calculate what the final energy level would be.

Q: 8. Conversion problem a. 25.345 g/ml is converted to kg/cm³ b. 203.77 miles/sec is converted to…

A: Solution : These conversions can be done by unitary method.

Q: Express his mass in micrograms

A:

Q: The owner of a rock shop claims that a nugget is pure gold. When the nugget is placed into a…

A: Density has formula, Density=MassVolumeMass= Density×Volume

Q: If a person weighs 225lbs 10oz how many mg does s/he weigh

A:

Q: 56. Round the number on the left to the number of significant figures indicated by the example in…

A: Significant figures of a number are those which are absolutely necessary to explain the numbers…

Q: Convert 83 cm into meters

A: Convert the cm to m We know that1.0 m = 100 cmnow the coversion of cm to m is as shon in figure

Q: Estimate the length of the black object on meter stick A  a. 1.60 cm b. 1.7450 cm c. 1.743 cm d.…

A: For the measurement of the length of the black object we use a meter stick which is calibrated by 1…

Q: What is a conversion factor? Give an example of a conversion factor

A: Mathematical tools are used for the measurement of various values.

Q: If Michael Jordan is 6 feet and 7 inches. What is his height in meters if 1 ft = 12 in, 1m-3.28 ft?…

A: The height of Micheal Jordan is = 6 feet and 7 inches 1 ft = 12 in 1 m = 3.28 ft The height in meter…

Q: 5. When do zeros count as significant digits, and when don’tthey count?

A: The significance of zeros in a mathematical value has to be given.

Q: 4.67*10^5 nm to meters

A: So, as we know that, 1 nm = 10-9 m 1 fm = 10-15 m 1 pm = 10-12 m 1 Å = 10-10 m 1 um = 10-6 m 1 mm =…

Q: 6.0 qt to mL

A: Here, we have to do the conversion of quart (qt) to mL

Q: nat is the reading from this graduated cylinder? 8. 6

A: In case of transparent liquid we see lower meniscus.

Q: If the bottom of the meniscus is on a line, the estimated digit is a OA.O OB. 1 OC. 2 OD.3

A: The curved liquid surface in a tube or cylinder due to surface tension is called a meniscus.A…

Q: C,H,0 2738 2820 1703 4000 3000 2000 1000

A: IR spectroscopy is an important tool for the determination of the functional group in the compound.…

Q: Trial Density 2.21 g/mL 2.20 g/mL 1 2 3. 2.22 g/mL 2.20 g/mL a. Neither precise nor accurate b.…

A: Explanation to the correct answer is given below.

Q: 68.58 km/my to cm/yr

A: 1 km = 1000 m 1 m = 100 cm 1 km = 105 cm 1 my = 1000000 yr

Q: You have 72 mL of water in a graduated cylinder. After dropping a pebble into the graduated…

A: Given that, Water in graduating cylinder = 72 mL Final volume = 43 mL Volume of the pebble = ?

Q: Round to 3 sig figs Round to 2 sig figs Round to 1 sig figs 577900 mi 0.0784400 cm 456.5 km

A: Fill in the blanks of the given--

Q: O MEASUREMENT Multiplication and division of measurements

A: General Rules: For addition and subtraction, the same quantities or the quantities which can be…

Q: is this correct, especially questions 3 and 7 on the second page. THANKS :)

A: 3) According to the question the weight of empty flask and stopper is 34.232 g. The weight of flask,…

Q: How much volume (in cm^3) is gained by the person

A: Density = mass/volume  So, volume = mass/density

Q: a. 750 cm to mmb. 1.5 3 108microliters to centilitersc. 0.00055 Mg to kg

A: Unit are the essential part of any measurement made in physics as well as chemistry. There are…

Q: 14. You have 72 mL of water in a graduated cylinder. After dropping a pebble into the graduated…

A: Volume of graduated cylinder(with water + pebble) = Volume of water + Volume of pebble  Volume of…

Q: 1.04km to cm

A: We have to convert 1.04 Km to cm.  First, we have to convert 1.04 Km to meter(m) and then meter(m)…

Q: Bronze is an example of Homogeneous mixture ؟ true or false

A:

Q: The mass of a proton is 1.67 x 10-27 kg. What is the mass of a proton in femtograms? A) 1.67 x…

A: Mass of proton is sum of subatomic particles: protons and neutrons. Subatomic particles are protons,…

Q: Express the quantity 33.2 x 10-min mm. a) 33.2 mm c) 0.332 mm b) 3.32 mm d) 3.32 x 10- mm

A: The meter and millimeter both are units of length. The millimeter is equal to one-thousandth of a…

Q: Number mm 9.997 m cm 45 mm 18 cm

A:

Q: Conversions involving units raised to a power: include the correct number of significant digits and…

A: Here we are required to convert the unit

Q: 1.04 km to cm

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: 206 cm3 to ft3

A: The relation between cubic centimetre (cm) and cubic foot (ft) is written below.1 cm3 = 3.5315×10-5…

Q: A zinc cylinder gas a diameter of 2.500cm, as measured using caliper. The cylinder is then soaked in…

A: Given: Initial diameter of the cylinder = 2.500 cm. And final diameter of the cylinder = 2.1 cm.

Q: Alumimnum foil dimensions Length (cm) 15.02 cm Width (cm) 11.61 cm Mass of aluminum foil (g) 11.447…

A: Introduction: Density is the mass per unit volume of a material. density is  d = MV where  d is the…

Q: Which is the shortest measurement? O They are all the same measurement. O 10 cm O 10 mm O 10 um O 1…

A: To know which is shortest measurement,  let's convert them to same unit, here micrometer

Q: You may refer to the states of matter when considering the answer to this question. 4 2 5 3 b Some…

A: In thisquestion, we have to select the Processes which are endothermic. To convert one state to…

Q: What is 15,390,000 rounded to two significant figures?

A: Rules for counting significant figures: 1. All non-zero numbers ARE significant. 2. Zeros between…

Q: convert to three significant figures 5.14900*10-3

A: All non zero digits are considered in the significant figures.

Q: A solid has a mass of 44.197 g.  It is placed in a graduated cylinder that has an initial volume of…

A: Mass of solid = 44.197 g  Initial Volume = 7.30 mL  Final Volume = 9.59 mL  Density = ?

Q: Significant figures 98/.006

A: We have to predict the number of Sig figs in given calculations.

Q: Mass of group in lbs           728 lb  mass in kg cg tons mg

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is 10000000 times 10000000

A: Times is the multiplication of the previous number and the following number.

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.