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GalinKa [24]
3 years ago
10

You just found a metallic object in a creek bed. You have found its mass to be 96.5 g, and it displaces 5 mL of water. What is t

he substance?
Chemistry
2 answers:
LiRa [457]3 years ago
8 0
I believe the substance would be gold. 
MaRussiya [10]3 years ago
7 0

yeah the answer is gold

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A gas with a volume of 250 mL at a temperature of 293K is heated to 324K. What is the new volume of the gas?
ANEK [815]

Answer:

The new volume of the gas is 276.45 mL.

Explanation:

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A student was comparing two samples with an equal number of carbon atoms. One sample contained only Carbon-12 atoms. One sample
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Answer:

3.14

Explanation:

A student was comparing two samples with an equal number of carbon atoms. One sample contained only Carbon-12 atoms. One sample contained only Carbon-14 atoms, which contain two more neutrons than Carbon-12 atoms. The student measured the mass of each sample and testing the reactivity of each sample.

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What would best describe the results of the investigation?

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2 years ago
Indicate the number of h2 and n2 molecules needed to yield two molecules of Nh3
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3 years ago
What is the basis for the classification of changes in matter into physical and chemical changes quizlet
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The basis for classifying changes in matter into physical and chemical change is to see if a material is altered after going through a process.

In a physical change only the state of matter is usually altered especially its form or shape.

Chemical change alters a substance by producing new kinds that are totally different from it.

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6 0
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These models show the electron structures of two different nonmetal elements.
Soloha48 [4]

Answer: Option (D) is the correct answer.

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If an atom has completely filled valence shell then it means the atom is not reactive in nature because it is already stable.

But when an atom has less than eight electrons in its valence shell then it means to attain stability the atom will readily attract electrons towards itself.

As the given element 1 has 8 electrons in its valence shell. Hence, it is not reactive in nature but element 2 has 6 valence electrons. So, in order to attain stability element 2 will readily attract 2 electrons from a donor atom.

Thus, we can conclude that element 2 is more reactive because it does not have a full valence shell, so it will attract electrons.

4 0
3 years ago
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