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3241004551 [841]
2 years ago
8

Is it a hard assignment ?

Chemistry
2 answers:
EleoNora [17]2 years ago
4 0
No it’s a very easy assignment
In-s [12.5K]2 years ago
3 0
It’s the most hardest assignment ever. Watch out.
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Which term describes the composition of matter shown in Figure E?
elena-14-01-66 [18.8K]

Answer:

Figure E is a compound

Explanation:

Compounds are constructed of 2 different elements

5 0
3 years ago
Nitrogen in plants and soil is changed into nitrogen compounds by _____.
grandymaker [24]

Answer:

A

Explanation:

because It's the process by which atmospheric nitrogen is converted either by a natural or an industrial means to form of nitrogen such as ammonia.

5 0
3 years ago
What does pH measure?
Hatshy [7]

Answer:

Option D

Explanation:

Hydronium ion concentration is a measure of pH of a solution.

The mathematical equation for the same is [H3O+] = 10-pH

OR

[H3O+] = antilog (- pH)

Hence, option D is correct

4 0
3 years ago
An enzyme can catalyze a reaction with either of two substrates, S1 or S2. The Km for S1 was found to be 2.0 mM, and the Km, for
Lera25 [3.4K]

Answer:

100.5 ≈ 101

Explanation:

Km for S1 = 2.0 mM

Km for S2 = 20 mM

Given that : S1 = S2 =  hence Vmax for either S1 or S2 can represent

The Vmax can be calculated using the data Given and equation below

Vo = Vmax [s] / ( Km + [s] )  ------ (1)

Vo = 0.5

[s] = 0.1 mM

km = 20 mM

making Vmax subject of  equation 1

Vmax = 0.5 ( 20.1 mM) / (0.1 mM )

         = 100.5 ≈ 101

3 0
3 years ago
Eddie and val observed the picture of an athlete running in a race. eddie stated the picture shows potential energy being transf
Lelu [443]

Answer:

C. Both Eddie and Val are correct because chemical energy is a type of potential energy and mechanical energy includes kinetic energy.

5 0
3 years ago
Read 2 more answers
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