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Tresset [83]
3 years ago
13

What is the SI unit for length?

Chemistry
1 answer:
dangina [55]3 years ago
5 0

Answer:

meter

Explanation:

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All of the following statements concerning voltaic cells are true EXCEPT
MissTica

Answer:

oxidation occurs at the cathode.

Explanation:

In a voltaic cell electrons move from anode to cathode. At the anode, species give up electrons. This is an oxidation reaction depicted by the oxidation half equation. At the cathode, species accept electrons and become reduced. This is depicted by the reduction half equation. In summary; in a Voltaic cell, oxidation occurs at the anode while reduction occurs at the cathode.

3 0
4 years ago
What is the molarity of a solution that contains 0.220 moles KOH in 0.350 L of solution?
Lera25 [3.4K]

Answer:

0.628 M.

Explanation:

In order to solve this problem we need to keep in mind the<em> definition of molarity</em>:

  • Molarity = moles / liters

We are given both the <em>number of moles and the volume of solution</em>, meaning we can now proceed to <u>calculate the molarity</u>:

  • Molarity = 0.220 mol / 0.350 L
  • Molarity = 0.628 M
5 0
3 years ago
DNA replication takes place
I am Lyosha [343]

Answer:

DNA replication takes place in the chromosome which is located in the nucleus of a cell.

Explanation:

8 0
3 years ago
What can happen if you have heated glass next to cool or cold water?
Effectus [21]
The class can break or if you put it in cold water it can cool down down fast.
6 0
3 years ago
A block is pulled 0.90 m to the right in 2.5 s.
Blizzard [7]

The block’s average speed : 0.36 m/s

<h3>Further explanation</h3>

Distance is the length traveled by an object within a certain of time .  

Average speed = total distance/total amount of time ,

Can be formulated :

\tt avg.s(speed)=\dfrac{\Delta D}{\Delta t}

ΔD= total distance

Δt= total time

A block is pulled 0.90 m to the right in 2.5 s :

ΔD= total distance = 0.9 m

Δt= total time = 2.5 s

The block’s average speed :

\tt avg.s=\dfrac{0.9}{2.5}=0.36~m/s

7 0
3 years ago
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