CHEM 210 1st Edition Lecture 3Outline of Last Lecture II. MatterA. Definition of matter and phases of matter.III. Compounds vs. ElementsIV. Homogeneous and Heterogeneous Mixtures V. Physical and Chemical PropertiesVI. EnergyOutline of Current Lecture VII. Units of MeasurementsA. SI Units of MeasurementVIII. Converting Between MeasurementsIX. Temperature ScalesCurrent LectureSome common SI base units include kilograms (kg) that are used to describe mass, meters (m) used for length, seconds (s) used for time, kelvin (K) used for temperature , ampere (Å) for electrical currents, moles (mol) for amount of substance and candela (cd) for luminous intensity. SI base units are measurements can be converted multiple times and are used for conversion problems in chemistry. You use dimensional analysis to solve these problems, whichis simply a systematic way of solving numerical problems. The format is starting with your givenquantity and multiplying it by the desired unit over the given unit. For example, if a problem asks you to convert 5850 cm to meters and then convert that to feet, you would first multiply the 5850 cm X (1m/100cm) to get 58.5 m. There are 100 cm in one meter, and the cm units both cancel leaving you with the desired unit, which is meters. Then to convert to feet, you perform a couple of steps. You start with your given quantity again,which is 5850 cm and multiply it to (1in/2.54cm) because 2.54 cm are in 1 inch which then cancel the centimeters and leave you with 2303 inches. Next you multiply 2303 inches by (1 ft/ 12 in) because there are 12 inches in a foot. The inches cancel out and you are left with your desired unit in feet.These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Temperature scales include the SI unit Kelvins, Celsius and Fahrenheit which is what we use in the United States. Because the scientific community primarily uses Kelvin, the rest of the world uses Celsius, and the United States uses Fahrenheit, it is good to know how to convert between the three. Kelvin (K) is the absolute temperature scale and it begins at absolute 0 and only has positive values. Celsius (C) or formally known as centigrade freezes at 0◦ and boils at 100◦. Fahrenheit (F)freezes at 32◦ and boils at 212◦. To convert to Kelvin, you add 273.15 to ◦C. For example, if you have 22◦C and you wanted to convert to Kelvin, you would add 273.15 + 22◦C to get 295.15 K. Since Fahrenheit has180 degrees total (212 boiling point – 32 freezing point), and Celsius has 100 degrees in total (100 boiling point – 0 freezing point), we can put that as a ratio of 100◦C/ 180◦F and reduce it to 5◦C/ 9◦F to use for our conversions between the two. To convert from Celsius to Fahrenheit, it would simply be 5◦C/ 9◦F (◦F- 32◦F). To convert from Fahrenheit to Celsius, you would multiply 9◦F/ 5◦C to ◦C and add 32◦F. For example, if you want to convert 75◦F to Celsius, you would write your problem as 75◦F= 9◦F/5◦C (◦C) + 32◦F. The Celsius would cancel out and after computing the problem, you should get 23.9◦