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Natasha_Volkova [10]
3 years ago
6

student conducted a simple experiment to explore heat transfer they constructed the closed system you see here a metal soda can

inside a styrofoam cup the metal can was filled with an 80° c cup of water and placed into the cell phone called containing colder water at 10° cthe students predicted that the water in the middle can would decrease in temperature while the water temperature inside the cup would increase based on the student data recorder and the data table the prediction was correct explain how to transfer heat energy occurred select all the statements that could apply​
Chemistry
1 answer:
denis-greek [22]3 years ago
5 0

Answer: its all A,B,C, and D

Explanation:i got it right on usa test prep lol

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Part A:
uranmaximum [27]

Answer:

Part A = The mass of sulfur is 6.228 grams

Part B = The mass of 1 silver atom is 1.79 * 10^-22 grams

Explanation:

Part A

Step 1: Data given

A mixture of carbon and sulfur has a mass of 9.0 g

Mass of the product = 27.1 grams

X = mass carbon

Y = mass sulfur

x + y = 9.0  grams

x = 9.0 - y

x(molar mass CO2/atomic mass C) + y(molar mass SO2/atomic mass S) = 22.6

(9 - y)*(44.01/12.01) + y(64.07/32.07)

(9-y)(3.664) + y(1.998)

32.976 - 3.664y + 1.998y = 22.6

-1.666y = -10.376

y = 6.228 = mass sulfur

x = 9.0 - 6.228 = 2.772 grams = mass C

The mass of sulfur is 6.228 grams

Part B

Calculate the mass, in grams, of a single silver atom (mAg = 107.87 amu ).

Calculate moles of 1 silver atom

Moles = 1/ 6.022*10^23

Moles = 1.66*10^-24 moles

Mass = moles * molar mass

Mass = 1.66*10 ^-24 moles *107.87

Mass = 1.79 * 10^-22 grams

The mass of 1 silver atom is 1.79 * 10^-22 grams

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3 years ago
Read 2 more answers
Please help me out !!
raketka [301]
27Hq)+3816(7/ 23q09)
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2 years ago
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