1.120 Mercury metal is liquid at normal temperatures but freezes at -38.9°C. What is this temperature in kelvins? in de- grees Fahrenheit? 1.121 Zinc metal can be purified by distillation (transforming the liquid metal to vapor, then condensing the vapor back to liq- uid). The metal boils at normal atmospheric pressure at 1666°F. What is this temperature in degrees Celsius? in kelvins? L.122 lodine is a bluish-black solid. It forms a violet-colored Vapor when heated. The solid melts at 236 F. What is this tem- perature in degrees Celsius? in kelvins?

Q: If mercury (density = 13.6 g/cm3) at a height of 895 mm Hg in a mercury barometer is replaced with…

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Q: If the rate of a car on the 60 freeway is 65 mph or miles per hour, what is the car’s rate in km per…

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Q: Question 9

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Q: Convert 6.4 x 10^-28 j-s/ kg to erg- min /lb. Note that “j” means “ joule” - it is one of the units…

A: 6.4*10-28 j-s/Kg to erg-min/lb Conversion required : 1 J = 107 ergs 60 sec = 1 min => 1 sec =…

Q: 1.If the temperature is 20. °C, what is the corresponding temperature on the Fahrenheit scale?…

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Q: In a recent Grand Prix, the winner completed the race with an average speed of 229.8 km/h. What was…

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

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Q: A person has a BMI of 19.1 kg/m2. What is this in Ib/ft? A) 42.1 Ib/ft? B) 5.82 Ib/ft? C) 3.91…

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A: Given: The boiling point of water = 130°X The freezing point of water= 10°X To find: The temperature…

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A: Given data, Mass of octane= 9.63 g, molar mass=114 g mol-1 mass of oxygen required = ?, molar mass=…

Q: When converting from kilometers to centimeters how many places does the decimal move to the right?…

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: A rectangular block of cadmium has a length of 10cm and a width of 5 cm. If the mass of the block is…

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Q: In the winter, a heated home in the Northeast might be maintained at a temperature of 63 °F. What is…

A: Given  Temperature  = 63 °F  Temperature in Celsius and Kelvin = ?

Q: Decide which of the earlier measurements was the most accurate, and which was the most precise.

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Q: Question 10

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Q: The density of silver is 10.5 g/cm³. What is the mass of a silver bar (in gms) that measures 0.1000…

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Q: Question 8

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Q: The beakers shown below have different precisions. a. Label the amount of water in each of the three…

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Q: A chemist weighs herself on a scale and records a mass of 65.1 kg. She removes a calculator and…

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Q: If gasoline costs $3.90 per gallon, what was the fuel cost for this trip?

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Q: The density of iron is 7.86 g/cm^3. What is its density in pounds per cubic inch (lb/in^3)?

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Q: Make the given temperature conversions. If the temperature outside is 101.0 °F, what is the…

A: From the formula-->  °F=(°C*9/5)+32   (101°F − 32) × 5/9 = 38.333°C

Q: 1.a What temperature in Kelvin is -145°C   (b)What temp in Celsius is 91 °F?     (c) Which of the…

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

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Q: 1. Calcium, an element, is a dull, gray solid that melts at 839°C. When it is placed in water,…

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Q: What is that temperature in degrees Celsius?

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Q: An object has a temperature of 50 F. What is its temper- ature in degrees Celsius and in kelvins?

A:

Q: The boiling point for liquid nitrogen is 77 K. What is the temperature in degrees Celsiusand degree…

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.