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Elena-2011 [213]
3 years ago
7

In your own words, give a summary of the history of the atom. Make sure to use names of models and the scientists associated wit

h each. Make a different paragraph for each model/scientist. (ADV is a minimum of 5 paragraphs) Notice that the Atomic Theory has changed over time as scientists have added knowledge through experimentation and use of advanced instruments. Be sure to include the following: Plum pudding model orbitals electrons gold foil experiment Bohr's model protons nuetrons nucleus
Chemistry
1 answer:
Bumek [7]3 years ago
5 0
I dont know that’s a hard one I’m in 7 th grade so google it bruh lol
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Calculate the volume of a sample of mercury with a density of 14.6 g/mL and a mass of 1.00 g. The answer is assumed to be in mL.
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Answer:

0.0685 mL

Explanation:

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Which chemical formula represents the hydroxide ion? H+ H3O+ H2O OH-
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K2Te+ Fe(HCO3)2------&gt; KHCO3 + Fe Te<br> how do you balance the equation?
ololo11 [35]

Hey there!

K₂Te + Fe(HCO₃)₂ → KHCO₃ + Fe + Te

Start by balancing HCO₃ since it's a polyatomic ion.

Two on the left, one on the right. Add a coefficient of 2 in front of KHCO₃.

K₂Te + Fe(HCO₃)₂ → 2KHCO₃ + Fe + Te

Balance K .

Two on the left, two on the right. Already balanced.

Balance Te.

One on the left, one on the right. Already balanced.

Balance Fe.

One on the left, one on the right. Already balanced.

Our final balanced equation:

K₂Te + Fe(HCO₃)₂ → 2KHCO₃ + Fe + Te

Hope this helps!

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3 years ago
How do transitional fossils fit with the theory of evolution
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