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melisa1 [442]
3 years ago
8

PLS HELP!! WILL MARK BRAINLIEST TO RIGHT ANSWER!!!

Chemistry
1 answer:
andre [41]3 years ago
8 0

Answer:

1. A) Its very dense

2. D) weight depends on gravity and mass is constant

3. C) Quart

4. D) 125 cubic cm

5. B) Attribute

Explanation:

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Baking soda (NaHCO3) can be added to a fruit mix solution to create a carbonated drink. An example is the reaction between bakin
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Answer:

74.4 ml

Explanation:

          C₆H₈O₇(aq) + 3NaHCO₃(s) => Na₃C₆H₅O₃(aq + 3CO₂(g) + 3H₂O(l)

Given     15g = 15g/84g/mol = 0.1786mole Sodium Bicarbonate

From equation stoichiometry 3moles NaHCO₃ is needed for each mole citric acid or, moles of citric acid needed is 1/3 of moles sodium bicarbonate used.

Therefore, for complete reaction of 0.1786 mole NaHCO₃ one would need 1/3 of 0.1786 mole citric acid or 0.0595 mole H-citrate.

The question is now what volume of 0.8M H-citrate solution would contain 0.0595mole of the H-citrate? This can be determined from the equation defining molarity. That is => Molarity = moles solute / Liters of solution

=> Volume (Liters) = moles citric acid / Molarity of citric acid solution

=> Volume needed in liters = 0.0.0595 mole/0.80M = 0.0744 Liters or 74.4 ml

6 0
3 years ago
EASY Chemical reactions<br> Balance and classify
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Answer:

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3 years ago
Identify if the following are chemical or physical properties: "CP" for
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Answer:

1.pp

2.cp

3.pp

4.pp

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What is the name of the rock?<br> a. limestone<br> b. breccia<br> c. sandstone<br> d. conglomerate
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<span>Fe2O3 + 3CO --> 2Fe + 3CO2
</span><span>
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</span>_______________

<span>n(Fe2O3)=?
m(Fe)=?
n(Fe2O3)=?
n(CO)=?
n(CO2)=?
</span>
<span>n(Fe2O3)=m(Fe2O3) / M(Fe2O3)
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