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pogonyaev
3 years ago
4

Shontal compared some of the properties of a marble to a piece

Chemistry
1 answer:
andreyandreev [35.5K]3 years ago
5 0

Answer:

The piece of wood was less dense than the water.

Explanation:

When an object has a lower density than water, it will float on the water.

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Explain what is the difference between molecule and atom?
Cerrena [4.2K]

Answer:

Atoms: <em>they are tiny particles that are the basic building blocks of any substance. The atoms are themselves made up of even smaller particles-protons, neutrons and electrons. </em>

Molecules: <em>it is the smallest unit of matter, which can exist independently. A molecule is formed when two or more atoms combine together.</em>

<em />

<em>hope it helps</em>

<em>and ur welcm</em>

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4 0
3 years ago
Calculate the mass of arsenic(III) chloride produced when 0.150 g of arsenic reacts with excess chlorine according to the equati
adell [148]

Answer:

0.363 g

Explanation:

2As + 3Cl₂      →   2AsCl₃

calculate the number of moles of arsenic

Number of moles = mass/ molar mass

Number of moles =  0.150 g/ 75 g/mol

Number of moles = 0.002 mol

compare the moles of arsenic with arsenic chloride.

                         As             :             AsCl₃

                          2              :                2

                        0.002        :              0.002

Mass of arsenic chloride produced:

Mass = number of  moles × molar mass

Mass = 0.002 × 181.28 g/mol

Mass = 0.363 g

6 0
3 years ago
Generally, as you go from left to right on the periodic table, what happens to:
Stolb23 [73]

Answer:

A.Atomic Radius I heard something similar when my teacher explained this to my class

3 0
3 years ago
What is the name for CH 3 CH 2 COCHCH 3 CH(CH 3 ) 2 ?
Paraphin [41]

Answer:

Butanoic acid

Explanation:

The IUPAC name of CH3CH2CH2COOH is:

The IUPAC name for a given compound is Butanoic acid.

4 0
2 years ago
Kyle is swinging at the playground. As he moves from the top of the swing to the bottom he will _____.
Mekhanik [1.2K]

Answer:

lose potential energy and gain kinetic energy

Explanation:

trust me thats the right answer i am not goo at explanations

8 0
3 years ago
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