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qaws [65]
3 years ago
15

Which is true of electric cars?

Chemistry
1 answer:
lianna [129]3 years ago
3 0

Answer:

they produce no DIRECT emissions

Explanation:

that is why they are good in cities to reduce air pollution . but sometypes can produce lesser emissions.

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What are the constituents of baking powder?
timurjin [86]
Baking powder is a mixture of baking soda and a mild edible acid such as tartaric acid
5 0
3 years ago
For the reaction: 2H2O2 --> 2H2 + 2O2, what is the total number of moles of O2 produced from the complete decomposition of 8
Softa [21]
2 H₂O₂ --> 2 H₂ + 2 O₂

2 moles H₂O₂ ------> 2 moles O₂
8 moles H₂O₂ ------> ?

moles O₂ = 8 x 2 / 2

moles O₂ = 16 / 2

= 8 moles

Answer C

hope this helps!
4 0
2 years ago
Which of the following is an example of a model? PV=nRT, Geographical map, I believe that aliens exist, all of the above.
aleksandrvk [35]

<u>Answer:</u> The correct answer is geographical map.

<u>Explanation:</u>

Model is defined as the three dimensional representation of a proposed structure in a smaller scale.

For the given options:

<u>Option 1:</u>  PV = nRT

This is a proposed law. This law is known as ideal gas law. A law is defined as the rule which defined a correct procedure. For any gas behaving ideally, this law is used.

<u>Option 2:</u> Geographical map

Map is defined as the diagrammatic representation of an area of land or sea which also shows physical features, roads, cities etc..

A 3-D model can be prepared for geographical map.

<u>Option 3:</u> I believe that aliens exist

This is a hypothetical statement. It is a smart guess by the means of set of assumptions and observations. For its validation, we need to conduct some experiments.

Hence, the correct answer is geographical map.

3 0
2 years ago
Read 2 more answers
What energy conversion takes place<br> as a leaf falls to the ground?
Zigmanuir [339]

Answer:

<h3>The answer is kinetic energy</h3>

Explanation:

<h2>The answer is Kinetic Energy because take for an example,  When an apple falls from the tree to the ground, its energy of position is then made into kinetic energy, the energy of motion, as it falls to the ground. </h2>

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Hope this helps! Give me Brainliest if u can!

4 0
3 years ago
Read 2 more answers
Jill formed ionic compounds using the index cards she combined sodium and zinc to form the compound na2zn is this a possible a i
expeople1 [14]
<span>No. Zn can only have oxidation states of 1+ or 2+. For this compound to be able to exist, the Zn would have to have an oxidation state of 2- to counteract the 2+ from the 2 sodium ions. Sodium ions each have a +1 charge, so the 2 sodium ions would carry a +2 charge. In order for the compound to exist, the net charge between the 2 sodium and 1 zinc atoms would need to be 0.</span>
5 0
2 years ago
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