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klasskru [66]
3 years ago
9

When heat is being transferred away from a substance, the resulting phase change graph is known as a ____ curve.

Chemistry
1 answer:
Elina [12.6K]3 years ago
8 0
Collinf is answerrrrrr
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How many grams of Sodium will have the same number of atoms as 6 grams of Magnesium?
Ksivusya [100]

Answer:

92gm

Explanation:

Atomic mass of Mg=24g=1 mole of Mg

∴  24g =1 mole of Mg contain 6.022×10^23 atom 

∴  6gm contains 246.022×1023×6

                            =4×6.022×10^23 atoms

Now according to question, there are 6.022×1023 atoms of Na 

23gm of Na contains 6.022×10^23 atoms

∴6.022×4×10^23 atoms of Na weighs 23×6.022×10^23×4/6.022×10^23⇒92gm

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3 years ago
What is the symbol for the carbon isotope with seven neutrons?
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Carbon -13 has 7 neutrons and carbon -12 has six neutrons. Carbon -12 is the most common isotope of Carbon. Carbon -14 is radioactive and vary rare. The symbols for the isotopes of Carbon atoms shown here indicate they each have six protons but mass numbers of 14, 13, and 12. Hope this helps. :)
8 0
3 years ago
Gregor Mendel identified seven distinguishable individual __________________________Each one he discovered had two different for
Eddi Din [679]

Answer:

objects

Explanation:

6 0
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If 500g of copper melts at 1085°C, at what temperature would 250g of<br> copper melt?
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the copper would melt at the same temperature no matter how much quantity there is so 1085

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6 0
2 years ago
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