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koban [17]
3 years ago
7

What scale do we use to measure how acid or alkali something is

Chemistry
1 answer:
aniked [119]3 years ago
4 0
The pH scale is used to measure how acidic or alkaline something is.

Hope that helped you!
BRAINLIEST??
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Water that flows back to the ocean is called
nordsb [41]

Surface runoff

Explanation:

The water that flows back to the streams and oceans are called surface runoff.

Surface runoff is a component of the water cycle usually composed of water in the liquid form that flows back into oceans that are nearby.

  • The hydrologic cycle shows the cyclic process by which water passes in nature.
  • Water passes through different forms, solid, liquid and gases.
  • Surface runoff is water usually after rainfall that flows rapidly.
  • They move to the final basin of deposition usually joining up with other water sources.
  • This can be nearby streams, lakes or oceans.

learn more:

Downcutting a stream brainly.com/question/9259211

#learnwithBrainly

4 0
4 years ago
The compound adrenaline contains 56.79% c, 6.56% h, 28.37% o, and 8.28% n by mass. what is the empirical formula for adrenaline?
Phoenix [80]
To determine the empirical formula of the compound given, we need to determine the ratio of each element in the compound. To do that we assume to have 100 grams sample of the compound with the given composition. Then, we calculate for the number of moles of each element. We do as follows:<span>
         mass        moles
C       56.79        4.73
H       6.56          6.50
O       28.37        1.77
N      8.28           0.59

Dividing the number of moles of each element with the smallest value, we will have the empirical formula:

</span>         moles                 ratio
C       4.73     / 0.59       8
H       6.50     / 0.59      11
O       1.77     / 0.59       3
N        0.59    / 0.59       1<span>
</span><span>
The empirical formula would be C8H11O3N.</span>
8 0
3 years ago
During the water cycle, the sun's energy evaporates water from the surface of Earth. This water is the source of A) respiration.
LuckyWell [14K]
This water source is called precipitation
8 0
3 years ago
Why is ZnCI2 a compound
liraira [26]

There are 2 different types of atoms there, that's why

3 0
3 years ago
Which symbol equation correctly describes the reaction: Wood (mostly glucose) burns in the presence of oxygen to form water and
SCORPION-xisa [38]

Answer:

Explanation:

Glucose = C6H12O6

oxygen = O2

water = H2O

carbon dioxide = CO2

balanced equation :

<em>C6H12O6 (s) + 6 O2 (g)   --------------> 6 CO2 (g) + 6 H2O (g)</em>

7 0
3 years ago
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