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MrRa [10]
4 years ago
6

Hurry!! Which feature of the microscope did Anton van Leeuwenhoek add that enabled him to magnify organisms about 250 times?

Chemistry
2 answers:
serious [3.7K]4 years ago
8 0

Answer:

polished lenses

Explanation:

jek_recluse [69]4 years ago
6 0

Answer: Polished lenses.

Explanation: thats just the answer lol

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What is the ionic equation for the following<br> 2FeCl(aq)<br> 3Mg(s)<br> 3MgCl(aq)<br> 2Fe(s)
amid [387]

Answer : The net ionic equation will be,

2Fe^{3+}(aq)+3Mg(s)\rightarrow 3Mg^{2+}(aq)+2Fe(s)

Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The given balanced ionic equation will be,

2FeCl_3(aq)+3Mg(s)\rightarrow 3MgCl_2(aq)+2Fe(s)

The ionic equation in separated aqueous solution will be,

2Fe^{3+}(aq)+6Cl^{-}(aq)+3Mg(s)\rightarrow 3Mg^{2+}(aq)+6Cl^{-}(aq)+2Fe(s)

In this equation, Cl^{-} is the spectator ion.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

2Fe^{3+}(aq)+3Mg(s)\rightarrow 3Mg^{2+}(aq)+2Fe(s)

7 0
3 years ago
Is heat, gas production, and color change can all be evidence of chemical change
Serga [27]
Yes, heat, gas production or bubble formation and the color change are the signs of a chemical change. 
3 0
3 years ago
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Describe, in terms of valence electrons, how the chemical bonds form in the substance
Talja [164]
Based on the picture, the way that chemical bonds form in the substance is :
K loses an electron and Br gains an electron.
This created difference in charges, which create attraction 

hope this helps
7 0
4 years ago
Please help me find the answer , thank you.
USPshnik [31]

Answer:

the answeer is definitely silicon.

4 0
3 years ago
The overall flow of energy through an ecosystem is from
Alik [6]

Answer:

So, I don't know if this is 100% correct, but, I believe it's <u><em>B.photosynthetic organisms to herbivores to carnivores and decomposers.</em></u> I'm so sorry if it's wrong!

Explanation: looked all over go ogle.

Have a good morning, afternoon, or night!

<em>~</em><u><em>Dreamer1331</em></u><em>~</em>

<em></em>

<em></em>

<em></em>

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<em>*please mark brainliest when possible, if correct, and if you feel I deserve it, Thank you!*</em>

7 0
3 years ago
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