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lapo4ka [179]
3 years ago
9

Answer pls will give brainliest

Chemistry
1 answer:
olchik [2.2K]3 years ago
3 0

Answer:

I am going to say B

Explanation:

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Akimi4 [234]

Answer:

the average answer in maybe 60

6 0
3 years ago
a sample of water with a mass of 648.00 kg at 298 K is heated with 87 kh of energy. the specific heat of water is 1 J-1 kg K-1.
Stels [109]

q = mCΔT

The correct specific heat capacity of water is <em>4.187 kJ/(kg.K)</em>.

ΔT = q/mC = 87 kJ/[648.00 kg x 4.187 kJ/(kg.K)] = 87 kJ/(2713 kJ/K) = 0.032 K

Tf = Ti + ΔT = 298 K + 0.032 K = 298.032 K


3 0
3 years ago
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When the forces acting on the object are balanced the object will?​
Volgvan

Answer:

When two forces acting on an object are of similar size but acting in opposite directions, we say they are forces of balance. If the forces on an object are balanced (or if there are no forces acting on it), this is what happens: the object stays stationary

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what tool do you have to use to precise amount of water? A meter stick B stopwatch C balance D graduated cylinder E beaker F the
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Answer:

graduated cylinder

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It shows exact volume very precisely.

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Give the number of significant figures indicated 78
Mama L [17]

2 significant figures

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