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Nataliya [291]
3 years ago
6

I NEED HELP I WILL RATE BRAINLIEST!!!

Chemistry
1 answer:
Mila [183]3 years ago
7 0
I think it is True because the SI unit is <span>J/°C</span>
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A chunk of tin weighing 18.5 grams and originally at 97.38 °C is dropped into an insulated cup containing 75.7 grams of water at
weqwewe [10]

Answer:

22.44°C will be the final temperature of the water.

Explanation:

Heat lost by tin will be equal to heat gained by the water

-Q_1=Q_2

Mass of tin = m_1=18.5 g

Specific heat capacity of tin = c_1=0.21 J/g^oC

Initial temperature of the tin = T_1=97.38^oC

Final temperature = T_2=T

Q_1=m_1c_1\times (T-T_1)

Mass of water= m_2=75.7 g

Specific heat capacity of water= c_2=4.184 J/g^oC

Initial temperature of the water = T_3=21.52^oC

Final temperature of water = T_2=T

Q_2=m_2c_2\times (T-T_3)

-Q_1=Q_2

-(m_1c_1\times (T-T_1))=m_2c_2\times (T-T_3)

On substituting all values:

-(18.5 g\times 0.21 J/g^oC\times (T-97.38^oC))=75.7 g\times 4.184 J/g^oC\times (T-21.52 ^oC)

we get, T = 22.44°C

22.44°C will be the final temperature of the water.

5 0
3 years ago
You decided you want to make spaghetti for supper. You first light the gas stove because you need to cook the meat. When the mea
zloy xaker [14]

Answer:

C

Explanation:

Brainliest

7 0
3 years ago
Read 2 more answers
What is the percent by mass of oxygen in carbon dioxide
san4es73 [151]
C = 12
O2 = 16*2= 32
CO2 = (12)+(16*2) = 44

32/44*100 = 72.73%
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3 years ago
Which condition causes a hurricane to rotate?
Montano1993 [528]

Answer:

its caused by the convection of air masses with differences in densities mainly due to their differences in temperatures.

-Hops

7 0
2 years ago
I don’t get it<br> How do you solve the problems
pogonyaev
It would be D, 90.0 g
5 0
3 years ago
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