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Sidana [21]
3 years ago
14

How many people a year die from water born diseases

Chemistry
1 answer:
Fantom [35]3 years ago
7 0

Answer:

3.4 million

Explanation:

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The H^1- ion is classified as a(n)________ and has _______.
nydimaria [60]
It's B, because a negative charged Ion is an anion. And since it's 1- ,one valence electron is been added to H. So it has 2 valence electrons. 
4 0
3 years ago
PLS HELP! 50 PTS!
ioda

Answer:

The average kinetic energy of the gas particles is greater in container B because it has a higher temperature.

Explanation:

<em>The correct option would be that the average kinetic energy of the gas particles is greater in container B because it has a higher temperature.</em>

<u>According to the kinetic theory of matter, the temperate of a substance is a measure of the average kinetic energy of the molecules of substance. In other words, the higher the temperature of a substance, the higher the average kinetic energy of the molecules of the substance.</u>

In the illustration, the gas in container B showed a higher temperature than that of container A as indicated on the thermometer, it thus means that the average kinetic energy of the molecules of gas B is higher than those of gas A.

5 0
3 years ago
A cup of coffee is considered a<br> A solution<br> B precipitate<br> C solvent<br> D solute
borishaifa [10]
It's either a solution, a solute or, pure goodness in a cup.
8 0
3 years ago
Read 2 more answers
Which of the following is an example of a chemical change? A. Boiling water B. Burning paper C. Dissolving sugar in water D. Mel
SpyIntel [72]
It’s B.burning paper
8 0
4 years ago
Read 2 more answers
The following questions are about ethyl bromide,n-propyl bromide, isopropyl bromide,t-butyl bromide, &amp; neopentyl bromide
mrs_skeptik [129]

Answer:

a) Watch the attaccment

b) Ethyl bromide is more reactive than n-propyl bromid, and this more than neopentyl bromide. Ethyl bromide has less steric hindrance than the others, to SN2 reactions.

c) t-butyl bromide is more reactive than  isopropyl bromide, and this more than ethyl bromide. t-butyl bromide structure stabilize the carbocation, better than the others.

Explanation:

Speed of SN2 reactions depends on steric hindrance, the less hindrance, the most reaction speed, meaning more reactivity. Then, those linear structures are more reactive to SN2 reactions.

In the other hand, speed of SN1 reactions depends on the stability of the carbocation formed. Structure with ramifications can stabilize better the carbocation, these structures are more reactive to SN1 reactions.

Download pdf
7 0
3 years ago
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