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shutvik [7]
3 years ago
13

A tool used to measure weight

Chemistry
2 answers:
sergeinik [125]3 years ago
4 0
Answer: A scale. Or beam scale
alex41 [277]3 years ago
3 0

Answer:

A scale

Explanation:

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One gallon of water has a mass of 3.78kg. Water is 11.2% hydrogen by mass. Calculate the mass of hydrogen contained in this gall
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In the formula 4H20, how many total hydrogen (H) atoms are there?
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There are 8 total hydrogen (H) atoms.
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Which of the following explains the importance of the activation energy acting as a barrier for reactants? A:It prevents most re
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The answer above is correct.
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A 20.0g sample of metal with a specific heat of 5 J/(g°C) raised it's initial temperature to 40.0 when 500J heat was added. What
slavikrds [6]

The initial temperature of the metal = 35 °C

<h3>Further explanation</h3>

Heat can be formulated :

Q = m . c . ΔT

Q = heat, J

c = specific heat, J/g C

ΔT = temperature, °C

m = 20 g

c = 5 J/(g°C)

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the initial temperature :

\tt \Delta t(T_2-T_1)=\dfrac{Q}{m.c}\\\\40-T_1=\dfrac{500}{20.5}\\\\40-T_1=5\\\\T_1=35^oC

3 0
2 years ago
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