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lisov135 [29]
3 years ago
8

this is the scale used to describe how acidic or basic a solution is. this affects the enzymes within living systems is called

Chemistry
2 answers:
Finger [1]3 years ago
6 0

It is called the PH scale

mart [117]3 years ago
4 0
Answer is pH.
means Power of Hydrogen.
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What is the molarity of a solution if you take 12.0 grams of ca(no3)2 and mix it with 0.105 l of water?
Lunna [17]
The  molarity  of  a solution  if it tale 12.0   grams  of  Ca(No3)2  is  calculated as below

molarity =  moles/volume in liters
 moles = mass/molar mass =  12.0 g/ 164 g/mol =  0.073 moles

molarity is therefore  = 0.073/0.105 = 0.7 M 
8 0
3 years ago
What is the molarity of 40ml of NaOH if it takes 25ml of 0.5 molar HCl to neutralize it?
Oksanka [162]

Answer:

Molarity of 40 ml of NaoH is 0.3125 mL

Explanation:

As we know  

Molarity of acid *  volume of acid = molarity of base * volume of base

Substituting the given values, we get  

0.5 * 25 = X* 40 \\X = \frac{0.5*25}{40} \\X = 0.3125

Molarity of 40 ml of NaoH is 0.3125 mL

6 0
3 years ago
Categorize each hydrocarbon as being saturated or unsaturated.
Black_prince [1.1K]

As you have not provided the options, still we can figure out the answer by understanding the key difference between saturated and unsaturated hydrocarbons.

SATURATED HYDROCARBONS are those hydrocarbons which only consist of a carbon carbon single bonds. All the bonds are sigma there are no pi bonds at all. Examples are shown below.

While, UNSATURATED HYDROCARBONS are those hydrocarbons which may contain either a double bond or triple bonds or both of them between the carbon atoms as shown below.

6 0
3 years ago
How is the AHfusion used to calculate the energy required to vaporize a
faust18 [17]
Hope u do well :) ik this maybe hard but you’ll get through it , the answer is D !
4 0
3 years ago
In an experiment to determine the effect of different brands of fertilizer on the rate of plant growth, what are 4 variables tha
kherson [118]

The variables to control in an experiment to determine the effect of different fertilizers on the rate of plant growth include soil composition, temperature, water, and light.

<h3>What are controlled variables?</h3>

The expression controlled variables makes reference to experimental conditions that must be equal or constant between experimental groups in order to obtain better comparisons when collecting results.

In conclusion, The variables to control in an experiment to determine the effect of different fertilizers on the rate of plant growth include soil composition, temperature, water, and light.

Learn more about controlled variables here:

brainly.com/question/17328868

#SPJ1

5 0
2 years ago
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