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shusha [124]
2 years ago
5

In an exothermic reaction, the energy of the reactants is greater than the energy of

Chemistry
1 answer:
mojhsa [17]2 years ago
6 0

Answer:

H

Explanation:

If the energy content in the reactants is higher than the products, that means that the reaction must be giving away energy. So, in other words, chemical energy from the reactants must be released as heat.

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What is the speed of a truck that travels 120km in 1.5 hours? Give your answer in km/hr.
Sonja [21]

Explanation:

Hey, there!!

Given,

distance (s)= 120km

Time (t) = 1.5 hrs.

speed = ?

We have,

speed =  \frac{s}{t}

speed =  \frac{120}{1.5}

Therefore, the answer is 80km/hr.

<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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3 years ago
What is the Molecule Geometry of a ABE3 molecule?
Trava [24]

Answer:

The molecule Geometry of AB2E3 is

B. trigonal bipyramidal

Explanation:

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3 years ago
If electrons were used in the two slit experiment instead of light, what change would need to be made to the slit spacing in ord
irina [24]
The change that would need to be made to the slit spacing in order to see a diffraction pattern is bending, because in understanding why light behaves like a wave, it is the interference and diffraction were the phenomena distinguish waves from particles but waves are the only one can interfere and diffract while particles do not. The light bends around obstacles or cylinder like waves do, then it is bending which cause and resulted in the single slit diffraction pattern. 
5 0
3 years ago
9. Based on your work with benzoic acid, show the reaction between salicylic acid and potassium hydroxide. Label the acid, base,
shepuryov [24]

Answer:

Explanation:

Salicylic Acid:

Salicylic Acid is an hydroxy acid that is found as a natural compound in plants.  It's IUPAC name is 2-hydroxybenzoic acid. Salicylic acid has an odorless white to light tan solid color. It sinks and mixes very slow with water.

Acid:  An acid is a substance that produce hydrogen ion or proton when dissolved in water

Base: A base is a substance that will neutralize an acid to yield salt and  water

Conjugate Base: This is a substance formed when an acid loses an hydrogen ion or proton when it dissolved in water.

Conjugate Acid: This is a substance formed when a base accept a proton from from any acid, when it dissolved in water.

Reaction between salicylic acid and potassium hydroxide

HOC₆H₄COOH(aq) + KOH(aq) ⇄ HOC₆H₄COOK(aq) + H₂O(l)

Acid ⇒ HOC₆H₄COOH (salicylic acid)

Base ⇒ KOH (potassium hydroxide)

Conjugate acid ⇒ H₂O (water)

conjugate base ⇒ HOC₆H₄COOK (  2-hydroxypotasium benzoate)

3 0
3 years ago
Substance A and B are the same mass and at the same initial temperature. When the same amount of heat is added to each, the fina
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That both of them are warm....at a certain temputurature causing one to fell,cozy
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