Using heat of fusion or vaporization to find the heat needed t... Calculate the amount of heat needed to melt 76.9 g of solid benzene (CH) and bring it to a temperature of 60.3 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 0 X ? db

Q: 2 CO(g) + 2NO(g) → N₂(g) + 2 CO₂(g) Express your answer using four significant figures. AGirn || kJ

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Q: The metal osmium becomes superconducting at temperatures below 655.mK Calculate the temperature at…

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Q: The metal rhenium becomes superconducting at temperatures below 1.4 K. Calculate the temperature at…

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Q: A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the…

A: We are provided with mass and volume of unknown liquid. First we need to calculate density and then…

Q: A citrus dealer in Florida sells boxes of 100 oranges at a roadside stand. The boxes routinelyare…

A: Given data contains, The average weight of orange is 7.2 ounces. Average weight of the boxes is 3.2…

Q: How much lead shot needs to be heated to 389 degrees C when placed in 78.6 g water that started at…

A: When any hot substance gets contacted with cool substance, the heat starts moving to cool substance…

Q: A major component of gasoline is octane (C&His). When octane is burned in air, it chemically reacts…

A: Given, A major component of gasoline is octane (C8H18). when octane is burn in air it chemical…

Q: Raw milk is stored at a dairy farm in a refrigerated cylindrical vat 6.50 feet wide and 12.5 feet…

A: Given cylindrical vat is 6.50 feet wide.  Height is 12.5 feet.  Depth of the milk is given as 9.8…

Q: Classify the following by the sign of AE for the system. Drag the appropriate items to their…

A: To classify the following by the sign of ∆E for the system.

Q: 38.The density of carbon dioxide is 1.8 kg/m^3. So, the volume occupied by 7.2 kg of carbon dioxide…

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

Q: A chemistry student needs 40.0 g of butanoic acid for an experiment. She has available 1.0 kg of a…

A: Mass of butanoic acid needed = 40.0 g6.37% w/w butanoic acid solutionThis means that 63.7 g of…

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction…

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Q: A chemistry student needs 25.0 g of acetone for an experiment. He has available 1.2 kg of a 21.2%…

A: Mass of acetone needed = 25.0 g21.2 % w/w butanoic acid solutionThis means that 21.2 g of acetone is…

Q: Liquid hexane (CH₂(CH₂) CH3) will react with gaseous oxygen to produce gaseous carbon dioxide (CO₂)…

A: Given, Mass of hexane= 20.7 g Mass of oxygen= 48 g To calculate - Mass of carbon dioxide produced=?

Q: while heating two different samples of water at sea level, one boils at 102 celcius and one boiled…

A: The deviation of any measured value from its actual value can be calculated in terms of percent…

Q: A major component of gasoline is octane (CH18). When octane is burned in air, it chemically reacts…

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Q: Liquid hexane (CH3CH24CH3) will react with gaseous oxygen O2 to produce gaseous carbon dioxide…

A: The given reaction is,

Q: 114.0 mL of H2O at 20.32 oC  is heated  to 86.22 oC. How many kJ of heat did it gain from the…

A: 114.0 mL of H2O at 20.32 oC  is heated  to 86.22 oC. How many kJ of heat did it gain from the…

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction…

A: Photosynthesis is a carbon fixation pathway where CO2 and H2O gives glucose and O2 in the presence…

Q: Calculate the amount of heat needed to melt 18.8 g of solid methanol (CH3OH) and bring it to a…

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Q: Calculate the amount of heat needed to boil 33.8 g of water (H₂O), beginning from a temperature of…

A: Mass of water = 33.8 g Specific heat of water = 4.184 J/g°C Initial temperature = 41.9 °C

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: Suppose a child’s normal temperature is 98.6°F and the only thermometer available,which is Celsius,…

A: The amount of a particular degree of coldness or hotness present in a system or body is called…

Q: Which is higher: 85.7 °F or 28.9 °C ? 2. The boiling point of a liquid is calculated to be 325 K.…

A: There are different temperature units given in question . We have to find temperature units in…

Q: A person likes to drink water with a temperature of 37°F. What is the temperature of the water in…

A: Given that,The temperature in degree Fahrenheit,Convert this into Celsius.

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction…

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Q: Ammonium phosphate ((NH4)²PO4) is an important ingredient in many fertilizers. It can be made by…

A: Given, Ammonium phosphate ((NH4)3PO4) is an important ingredient in many fertilizers. It can be made…

Q: A chemistry student needs 5.00 g of thiophene for an experiment. She has available 1.2 kg of a 7.83%…

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Q: 8. Convert 46.8°C to degrees Fahrenheit and Kelvin.

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Q: When a hot object is placed in a water bath whose temperature is 25°C, it cools from 100°C to 50°C…

A: To determine the temperature of the second bath, we can apply Newton's Law of Cooling, a principle…

Q: Mass of cup + water Mass of empty cup Mass of water Initial water temperature Final water…

A: Answer: Relation between heat exchanged, mass of water and temperature change is shown below:…

Q: Question 8- (Please show all of your work so I can understand going forward, also the equation is…

A: Given: The relation between degree Vacius and degree Arwenheit is as follows,…

Q: O STATES OF MATTER Using Avogadro's Law 30000 15 Methane gas and chlorine gas react to form hydrogen…

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Q: O States of Matter Using heat of fusion or vaporization to find the heat needed to melt or bo... 3/5…

A: The heat needed to boil given hexane amount of hexane is Q = 1.25*104 JExplanation:

Q: Convert 100.6°F to °C and K

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Q: Next, the chemist measures the volume of the unknown liquid as  0.633L  and the mass of the unknown…

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Q: The average temperature at the South Pole in June is -37.1 °C. Convert this temperature to degrees…

A: The value is provided according to the questionThe average temperature at the south pole T = -37.1…

Q: In the lab, a cube of granite has a mass of 11.5 grams and its temperature rises from 21.2°C to…

A: The key to solving the problem of calculating heat absorption is the concept of specific heat…

Q: een plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in…

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Q: 1. Perform the following calculations and give the answer rounded to the correct number of…

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Q: Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous…

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Q: What is the volume (in mL) of (6.23x10^0) kg of a liquid that has a density of (1.1000x10^0) g/mL?…

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Q: Liquid hexane (CH₂(CH₂) CH₂) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide…

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Q: Calculate the amount of heat needed to boil 15.5 g of hexane (C,H4), beginning from a temperature of…

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Q: A student's thermometer reads 105.2°C when placed in boiling water. The student then used the same…

A: The boiling point of water is 100oC under normal conditions. But the thermometer reading is 105.2oC.…

Q: Aqueous sulfuric acid (H₂SO4) will react with solid sodium hydroxide (NaOH) to produce aqueous…

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.