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ValentinkaMS [17]
3 years ago
7

Could plasma be made of atoms ?

Chemistry
2 answers:
valentinak56 [21]3 years ago
8 0
Like gases, plasmas have no fixed shape or volume, and are less dense than solids or liquids. But unlike ordinary gases, plasmas are made up of atoms in which some or all of the electrons have been stripped away and positively charged nuclei, called ions, roam freely.
stealth61 [152]3 years ago
3 0

Plasmas are made up of atoms in which some or all of the electrons have been stripped away and positively charged nuclei, called ions, roam freely.

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Sodium hydrogen carbonate NaHCO3, also known as sodium bicarbonate or "baking soda", can be used to relieve acid indigestion. Ac
olga2289 [7]

Answer:

1.4952 grams of sodium bicarbonate she  would need to ingest to neutralize this much HCl.

Explanation:

Moles (n)=Molarity(M)\times Volume (L)

Moles of hydrochloric acid = n

Volume of hydrochloric acid solution = 200.0 mL = 0.200 L

Molarity of the hydrochloric acid = 0.089 M

n=0.089 M\times 0.200 L=0.0178 mol of HCL

HCl(aq)+NaHCO_3(aq)\rightarrow NaCl(aq)+H_2O(l)+CO_2(g)

According to reaction, 1 mole of HCl is neutralized by 1 mole of sodium bicarbonate.

Then 0.0178 moles of HCl wil be neutralized by :

\frac{1}{1}\times 0.0178 mol=0.0178 mol of sodium bicarbonate

Mass of 0.0178 moles of sodium bicarbonate:

0.0178 mol × 72 g/mol = 1.4952 g

1.4952 grams of sodium bicarbonate she  would need to ingest to neutralize this much HCl.

8 0
3 years ago
What is the only letter not appearing on the periodic table?.
ivolga24 [154]

Answer:

The answer is j

Explanation:

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What is true about the speed of molecules in a sample of gas held at a constant temperature?
vovikov84 [41]
At the constant temperatures the lighter the gas molecules, the faster the average velocity of the gas molecules.
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Arrange ZN HG CU AU metals in order of decreasing activity with the most active first
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  • AU ZN CU HG

Explanation:

hope it helps you

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What are the columns on the periodic table called?
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Families are another names for the columns
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