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andre [41]
3 years ago
9

According to the graph, which statement is correct?

Chemistry
2 answers:
Makovka662 [10]3 years ago
7 0
There is no graph attached
soldier1979 [14.2K]3 years ago
5 0

Answer:

There is no graph

Explanation:

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Describe what the isotopes of an element have in common and how are they different.
Neporo4naja [7]

Answer:

Isotopes of an element are atoms of the same element that have different number of neutrons.

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3 years ago
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A 62.6-gram piece of heated limestone is placed into 75.0 grams of water at 23.1°C. The limestone and the water come to a final
VMariaS [17]
M₁ = mass of water = 75 g
T₁ = initial temperature of water = 23.1 °C
c₁ = specific heat of water = 4.186 J/g°C

m₂ = mass of limestone = 62.6 g
T₂ = initial temperature of limestone = ?
c₂ = specific heat of limestone = 0.921 J/g°C

T = equilibrium temperature = 51.9 °C
using conservation of heat
Heat lost by limestone = heat gained by water
m₂c₂(T₂ - T) = m₁c₁(T - T₁)
inserting the values
(62.6) (0.921) (T₂ - 51.9) = (75) (4.186) (51.9 - 23.1)
T₂ = 208.73 °C
in three significant figures
T₂ = 209 °C
7 0
3 years ago
Convert 15 meters to kilometers
Gelneren [198K]

Answer:

the answer is 0.015

8 0
3 years ago
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The melting point of h2o is 0 degrees celsius. this is the same as its:
professor190 [17]
This is the same as its freezing point

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6 0
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Which of the following compounds is not possible?
neonofarm [45]

Answer:

C

Explanation:

Large chlorine atoms can not fit within the atoms of boron

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