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vesna_86 [32]
3 years ago
5

Which of these is a sentence fragment?

Chemistry
1 answer:
aleksley [76]3 years ago
4 0

Answer:

the dog barked is the answer

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A 215-g sample of copper metal at some temperature is added to 26.6 g of water. The initial water temperature is 22.22 oC, and t
andrezito [222]

The initial temperature of the copper metal was 27.38 degrees.

Explanation:

Data given:

mass of the copper metal sample = 215 gram

mass of water = 26.6 grams

Initial temperature of water = 22.22 Degrees

Final temperature of water = 24.44 degrees

Specific heat capacity of water = 0.385 J/g°C

initial temperature of copper material , Ti=?

specific heat capacity of water = 4.186 joule/gram °C

from the principle of:

heat lost = heat gained

heat gained by water is given by:

q water = mcΔT

Putting the values in the equation:

qwater = 26.6 x 4.186 x (2.22)

qwater = 247.19 J

qcopper = 215 x 0.385 x (Ti-24.4)

              = 82.77Ti - 2019.71

Now heat lost by metal = heat gained by water

82.77Ti - 2019.71 = 247.19

Ti = 27.38 degrees

8 0
3 years ago
What are function of lipids​
olga2289 [7]
Lipids serve as structural components of cell membranes, function as energy storehouses, and function as important signalling molecules. They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers.

Hope this helped :)
6 0
2 years ago
Which adaptation is likely to increase the chances of survival of an animal in a rainforest?
LiRa [457]
I know I think it’s a A

6 0
3 years ago
Which of the following natural hazards occur for a long period of time?
saul85 [17]

Answer:

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Explanation:

droughts are long periods without water

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What is the atomic number of the element located in group 16
laila [671]

Answer:

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Explanation:

Sulfur is a chemical element that is represented with the chemical symbol "S" and the atomic number 16 on the periodic table.

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