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3 years ago

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Show whether the following solutes are soluble in each solvent, and the process of dissolution of each, and their weak bonds. (N

H4)3 PO4 in water Ag Cl in water Methane (CH4) in water Methane in gasoline (C8H18) Methyl alcohol (CH3-OH) in water

1 answer:

Alexeev081 [22]3 years ago

5 0

Answer:

I don't really understand this...

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The density of gold is 19.3 g/cm3. What is the mass of 15cm3 of gold?

Ulleksa [173]

Just multiple 19.3 by 15 because cm^3 will cancel outand you are left with g with represents mass

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4 years ago

What are the three important things needed for combustion to occur ?

marissa [1.9K]

Explanation:

Here is the answer hope you do well

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3 years ago

Dmitri Mendeleev developed a chart-like arrangement of the elements called the ______ . He stated that if the elements were list

uranmaximum [27]

Answer:

Explanation:

Dmitri Mendeleev developed a chart-like arrangement of the elements called the Periodic Table ______ . He stated that if the elements were listed in order of increasing atomic mass______, their properties repeated in a regular manner. He called this the periodicity of properties ______ of the elements. The arrangement used today differs from that of Mendeleev in that the elements are arranged in order of increasing atomic number______. Each horizontal row of elements is called a(n)period ______. Each vertical column is called a(n) column_____, or , because of the resemblance between elements in the same column, a(n) __group____.

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4 years ago

What is the total number of oxygen atoms on the right-hand side of this chemical equation?

vivado [14]

The chemical equation is

Cu(s) +4HNO3(aq) ⇒ Cu(NO3)2(aq) + 2NO2(g) + 2H2O(g)

Answer:

12

Explanation:

In the right hand side of the equation, there are three compound which contains O2, which are;

Cu(NO3)2 , number of oxygen atoms =3*2 =6

2NO2, number of oxygen atoms = 2*2=4

2H2O, number of oxygen atoms =2*1=2

Total number of oxygen atoms on the right side of equation = 6+4+2 =12

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3 years ago

The element carbon continuously Cycles through an ecosystem. A simplified carbon cycle showing Step I, where organic molecules (

nikitadnepr [17]

Answer:

See the answer below

Explanation:

Organic molecules in the form of carbohydrates are created during photosynthesis or chemosynthesis and these processes cause carbon to be removed from the atmosphere or other environment into the biosphere - the living organisms of the ecosystem.

During photosynthesis, atmospheric carbon dioxide is fixed as carbohydrates into green plants in a two-stage process that requires sunlight energy and water. The entire process can be summarized as an equation below:

$6CO_2 + 6H_2O + sunlight --> C_6H_1_2O_6 + 6O_2$

Instead of using water as a reactant, chemosynthetic organisms make use of high energy chemicals such as hydrogen sulfide to fix carbon dioxide in order to generate carbohydrates.

$CO_2 + 4H_2S + O_2 -> CH_20 + 4S + 3H_2O$

Both processes ensure that carbon dioxide moves from the environment into living organisms.

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3 years ago