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kotegsom [21]
3 years ago
13

Why is light a wave?​

Chemistry
1 answer:
madreJ [45]3 years ago
6 0

Answer:

an electromagnetic wave

Explanation:

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I need help on question 3 true or false thxxx quick i’m timed
ruslelena [56]

Answer:

The answer is true.

5 0
3 years ago
A solution is made by mixing 34.5 g of sugar with 75.0 g of water. What is the mass percent of sugar in this solution?
lubasha [3.4K]

the mass percent of sugar in this solution is 46%.

Answer:

Solution given:

mass of solute=34.5g

mass of solvent=75g

mass percent=\frac{mass\:of\:solute}{mass\:of \:solvent}*100\%

=\bold{\frac{34.5}{75.0}*100\%=46\%}

5 0
3 years ago
What does the energy hill represent on an energy diagram?
Butoxors [25]

Answer:

The correct answer is option D.

Explanation:

When a chemical reaction proceeds the reactants are converted into products. The energy hill represents the potential energy of the reaction.

There are two conditions: If the reaction is endothermic than the energy of the products is greater than the energy of the reactants and  ΔH  is positive. This energy gain is shown in the form of a peak.  In an exothermic reaction, the energy of the products is lower than the reactants and  ΔH  is negative.

So the suitable option is D which states that the reaction is endothermic and the potential energy gained by the products is higher when a reaction proceeds.

6 0
3 years ago
Why do weak bases have strong conjugate acids?
Margarita [4]
A strong acid like HCl donates its proton so readily that there is essentially no tendency for the conjugate base Cl– to reaccept a proton. Consequently, Cl– is a very weak base.
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3 years ago
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Do fat supply over twice the number of calories as the same weight of carbohydrates and proteins
Soloha48 [4]
The answer to this is true. 
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4 years ago
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