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FrozenT [24]
2 years ago
6

Objects are recognized by their 1) shape 2) properties 3) odor 4)color

Chemistry
1 answer:
8_murik_8 [283]2 years ago
3 0
I would say properties.
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A solution with a ph of 7 must be _____. an acid a base neutral water
steposvetlana [31]

Answer: A solution with a pH of 7 must be neutral.

Explanation:

If a solution has pH of 7 then the concentration of H^+ ions and OH^{-} ions will be equal.

Thus, the concentration for both H^+ ions and OH^{-} ions will be 1 \times 10^{-7}. Generally, pH at 7 is considered as neutral.

Thus, it is concluded that a solution with pH of 7 must be neutral.

6 0
2 years ago
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What will occurs during electrolysis of dilute sulphuric acid​
Alexxandr [17]

Answer:

In the electrolysis of dilute sulfuric acid, which electrolysis in aqueous solution to form hydrogen ions, H⁺, and sulfur IV ions SO₄²⁻ in the presence of H⁺ and OH⁻ ions from the water molecules

At the anode

The anode, positive electrode, attracts the negative OH⁻ and SO₄²⁻ ions where the OH⁻ gives up electrons to form water molecules and oxygen as follows;

4OH⁻ → 2H₂O + O₂ + 4e⁻

At the cathode

The positive H⁺ ions from the water molecules and the acid are attracted to the cathode where they combine with 2 electrons to form hydrogen gas as follows;

2e⁻ + 2H⁺ → H₂ (gas)

Explanation:

7 0
2 years ago
Cells can use the glucose directly, without breaking it down, to carry out cellular processes. True or False?
Akimi4 [234]

Answer:

False

Explanation:

Glucose is a substrate which undergoes various chemical reactions in the mitochondria to produce ATP, which is the universal energy carrier.

6 0
2 years ago
An ionic bond forms between atoms of​
Svetllana [295]
Ionic bonds form between nonmetals and metals.

The reason ionic bonds are formed is because nonmetals and metals usually have high electronegativities, which essentially means that metals pull on nonmetals' electrons.
When a metal takes an electron from a nonmetal, the metal becomes negatively charged and the nonmetal becomes positively charged. Because opposite charges attract, the two atoms will stick together, thus forming an ionic bond

-T.B.
6 0
3 years ago
What does the formula for water, H2O, tell you about what the molecule is made of ?
Sergeu [11.5K]

Answer:

To find out what water is made of, it helps to look at its chemical formula, which is H2O. This basically tells us that the water molecule is composed of two elements: hydrogen and oxygen or, more precisely, two hydrogen atoms (H2) and one oxygen atom (O). Hydrogen and oxygen are gases at room temperature.

Explanation:

4 0
2 years ago
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