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4 years ago

Is this statement true or false? Bases feel slippery. A. True B. False

Chemistry

2 answers:

Ksenya-84 [330]4 years ago

7 0

Actually, it is true

Nuetrik [128]4 years ago

4 0

True, bases do feel slippery.

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A runner starts at point A, runs around a 1-mile track and finishes the run back at point A. Which of the following statements i

marissa [1.9K]

Answer: Option (B) is the correct answer.

Explanation:

When an object moves from initial point A to final point B is known as displacement.

Thus, when a runner starts from initial point A and then after running for 1 mile it reaches to the same point A this means that displacement of the runner is zero.

Thus, we can conclude that out of the given options, the statement runner's displacement is zero is true.

6 0

3 years ago

Read 2 more answers

What would form a solution?

Ipatiy [6.2K]

Answer:

B. Mixing a solute and a solvent

Explanation:

Hello,

In this case, solutions are defined as liquid homogeneous mixtures formed when two substances having affinity are mixed. It is important to notice that the two substances are known as solute, which is added to other substance that is the solvent. Therefore, answer is B. Mixing a solute and a solvent.

Notice that when two insoluble substances are mixed no solution is formed. Furthermore, if two solutes together or a solute and a precipitate are mixed, no liquid homogeneous solution is formed, as commonly solutes are solid, nevertheless, when liquid, one should have to act as the solvent.

Best regards.

6 0

4 years ago

Magnesium oxide does not readily decompose into magnesium and oxygen. The reaction is shown below. MgO(s) + 601.7 kJ mc017-1.jpg

galben [10]

TEMPERATURE IS THE ANSWER

5 0

3 years ago

Read 2 more answers

Point N is on line segment MO. Given NO = 2x – 3, MO = 3x + 5, and

Zigmanuir [339]

Answer:

MO = 20

Explanation:

Given that: MO = 3x + 5

MN = 2x + 3

NO = 2x - 3

But,

MO = MN + NO

So that;

3x + 5 = (2x + 3) + (2x - 3)

3x + 5 = 2x + 3 + 2x - 3

3x + 5 = 4x

3x - 4x = -5

-x = -5

Multiply through by minus,

x = 5

Thus,

MO = 3x + 5

= 3(5) + 5

= 15 + 5

MO = 20

The length of MO is 20.

5 0

3 years ago

(a) Write the dissolution reaction for solid Na2CO3 below. (Use the lowest possible coefficients. Include states-of-matter under

Andreas93 [3]

Answer:

For a: The chemical equation for the dissolution of sodium carbonate is $Na_2CO_3(s)\rightarrow Na_2CO_3(aq.)$

For b: The net acid-base reaction is $CO_3^{2-}(aq.)+H_2O(l)\rightarrow OH^-(aq.)+HCO_3^-(aq.)$

Explanation:

For a:

Dissolution reaction is defined as the reaction in which a solid compound gets dissolved in water to form aqueous solution.

The chemical equation for the dissolution of sodium carbonate follows:

$Na_2CO_3(s)\rightarrow Na_2CO_3(aq.)$

Ionization reaction is defined as the reaction in which an ionic compound dissociates into its ions when dissolved in aqueous solution.

The chemical equation for the ionization of sodium carbonate follows:

$Na_2CO_3(aq.)\rightarrow 2Na^+(aq.)+CO_3^{3-}(aq.)$

For b:

Now, the anion formed which is $CO_3^{2-}$ reacts with water to form conjugate acid.

The chemical equation for the reaction of anion with water follows:

$CO_3^{2-}(aq.)+H_2O(l)\rightarrow OH^-(aq.)+HCO_3^-(aq.)$

Hence, the net acid-base reaction of the anion formed and water is written above.

3 0

3 years ago