All categories

3 years ago

If a solution conducts electricity, it it positive evidence that

2 answers:

7 0

If a solution conducts electricity, it it positive evidence that solute dissolved in solvent is electrolyte.

vlada-n [284]3 years ago

3 0

its an electrolyte.. :D

You might be interested in

4) 4 NH3 + 3 O2  2 N2 + 6 H2O

Black_prince [1.1K]

4 NH₃ + 3O₂ --> 2N₂ + 6H₂O

First, make sure that this is a balanced equation.
There are 4 moles of nitrogen on the left side, and 4 moles of nitrogen on the right side.
There are 12 moles of hydrogen on the left side, and 12 moles of hydrogen on the right side.
There are 6 moles of oxygen on the left side, and 6 moles of oxygen on the right side.

The equation is therefore balanced, and we may proceed.

a) the mole ratio for NH₃ to N₂ is 4 to 2, which can be simplified to 2:1 or 2/1.

b) the mole ratio for H₂O to O₂ is 6 to 3, which can be simplified to 2:1 or 2/1.

6 0

4 years ago

JURCES OF

Lorico [155]

Answer:

Covalent bond

Explanation:

A covalent bond is formed when two atoms share electrons. The shared electrons are positioned between the nuclei of the bonding atoms.

In the bonding between chlorine and hydrogen, chlorine has seven valence electrons. Hence, it needs one more electron in order for the atom to attain an octet structure. Hydrogen has one valence electron and needs one more electron in order to attain a duplet structure.

The two bonding atoms now share two electrons(provided by each of the bonding atoms) in a covalent bond such that chlorine has a complete octet and hydrogen has a complete duplet.

4 0

3 years ago

Green plants use light from the sun to drive photosynthesis. photosynthesis is a chemical reaction in which water and carbon dio

Korolek [52]

The equation that represents the process of photosynthesis is:

6CO2+12H2O+light->C6H12O6+6O2+6H2O

Photosynthesis is the process in plants to make their food. This involves the use carbon dioxide to react with water and make sugar or glucose as the main product and oxygen as a by-product. Since we are not given the mass of CO2 in this problem, we assume that we have 1 g of CO2 available. We calculate as follows:

1 g CO2 ( 1 mol CO2 / 44.01 g CO2 ) ( 12 mol H2O / 6 mol CO2 ) ( 18.02 g / 1 mol ) = 0.82 g of H2O is needed

However, if the amount given of CO2 is not one gram, then you can simply change the starting value in the calculation and solve for the mass of water needed.

7 0

4 years ago

Which of the following best describes what causes the phases of the moon? The alignment of the sun, Earth, and moon The speed of

BlackZzzverrR [31]

The alignments of the planets would be the correct answer.

6 0

4 years ago

6. A metal forms two oxides, A and B. 1 g of A on reduction gave 0.881 g of

pychu [463]

Answer:

Here's what I get.

Explanation:

The Law of Multiple Proportions states that when two elements A and B combine to form two or more compounds, the masses of B that combine with a given mass of A are in the ratios of small whole numbers.

That is, if one compound has a ratio r₁ and the other has a ratio r₂, the ratio of the ratios r is in small whole numbers.

1. Oxide A

Mass of O = 1 - 0.881 = 0.119 g

$r_{1} = \dfrac{\text{mass of O}}{\text{mass of M}} = \dfrac{ 0.119}{0.881} = 0.1351$

2. Oxide B

Mass of O = 1 - 0.788 = 0.212 g

$r_{2} = \dfrac{ 0.212}{0.788} = 0.2690$

3. Ratio of the ratios

$r = \dfrac{r_{1}}{r_{2}} = \dfrac{ 0.1351}{0.2690} = \dfrac{1 }{1.992} \approx \dfrac{1}{2}\\\\\text{The relative amounts of O per gram of M in the two oxides are in the ratio $\large \boxed{\mathbf{\dfrac{1}{2}}}$}$

5 0

4 years ago