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2 years ago

Water provides the ....................... for many plants and animals.

Chemistry

2 answers:

stepan [7]2 years ago

8 0

Answer:

I would say the living for many plants and animals

Vlada [557]2 years ago

5 0

I believe the answer is Hydration or nutrients
Explanation:

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So2−3(aq)→so2−4(aq) (basic solution) express your answer as a chemical equation. identify all of the phases in your answer. so32

alexira [117]

Answer:

$SO_{3}^{2-}(aq.)+2OH^{-}(aq.)\rightarrow SO_{4}^{2-}(aq.)+H_{2}O(l)+2e^{-}$

Explanation:

The given reaction is an example of oxidation reaction. The step-by-step balancing procedure has been shown below:

Chemical equation: $SO_{3}^{2-}(aq.)\rightarrow SO_{4}^{2-}(aq.)$

Balance H and O in basic medium: $SO_{3}^{2-}(aq.)+2OH^{-}(aq.)\rightarrow SO_{4}^{2-}(aq.)+H_{2}O(l)$

Balance charge: $SO_{3}^{2-}(aq.)+2OH^{-}(aq.)\rightarrow SO_{4}^{2-}(aq.)+H_{2}O(l)+2e^{-}$

Balanced chemical equation:

$SO_{3}^{2-}(aq.)+2OH^{-}(aq.)\rightarrow SO_{4}^{2-}(aq.)+H_{2}O(l)+2e^{-}$

6 0

3 years ago

The precision of a method is being established, and the

Lemur [1.5K]

Answer:

No, 22.09% is not a valid measurement

Explanation:

Precision has to do with how close a given set of measured values are to each other. It is quite different from accuracy. Accuracy refers to how close a given set of values is to the true value. A given set of values may be precise but not accurate and vice versa.

If we look at the values obtained; 22.09%, 22.15%, 22.18%, 22.23%, 22.25%, the value 22.09% is too far off the other values. This implies that it does not represent a valid measurement since it is not close to all the other values obtained.

7 0

2 years ago

What s thisssss oneeeeeee

ZanzabumX [31]

C
Explanation- equals 459

3 0

2 years ago

Which increases the rate of a chemical reaction?

Anastasy [175]

A catalyst

A catalyst can be in many forms

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2 years ago

Menstruation occurs on a ______ interval from puberty until menopause

dmitriy555 [2]

D. One Month Interval

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2 years ago