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svet-max [94.6K]
3 years ago
5

Can someone answer this please?

Chemistry
1 answer:
krok68 [10]3 years ago
3 0
What is the question?? 
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Answer: it is liquid at most temperatures on earth.

Step-by-step explanation:
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If 27 ml of 6.0 m h2so4 was spilled, what is the minimum mass of nahco3 that must be added to the spill to neutralize the acid?
katrin [286]

The minimum mass of NaHCO3 that  must be added to the spill to neutralize the acid is 27.216 grams


<h3>calculation </h3>

write the balanced chemical equation

2NaHCO3 +H2SO4 → Na2SO4  +2H2O +2CO2

find the moles of H2SO4 = molarity x volume in liters

volume in liters =  27/1000=0.027 l

moles is therefore= 0.027 x6=0.162 moles

by use of mole ratio of  NaHCO3: H2SO4  which is 2:1 the moles of NaHCO3=0.162 x2=0.324 moles


mass of NaHCO3= moles of NaHCO3 x molar mass of NaHCO3(84g/mol)

= 84g/mol x 0.324=27.216 grams

8 0
4 years ago
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Why can iron be broken down into atoms, but water can only be broken down to molecules?
rodikova [14]
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4 years ago
The reaction between calcium acetate and lithium phosphate forms a white precipitate (the insoluble compound calcium phosphate),
kenny6666 [7]

Hello!


The coefficient for Lithium Acetate in the balanced chemical equation is 6


Why?


This is the reaction:


(CH₃COO)₂Ca(aq) + Li₃PO₄(aq) → Ca₃(PO₄)₂(s) + CH₃COOLi(aq)


For balancing the equation, we're going to apply the Law of Conservation of Mass, which states that matter is not created nor destroyed, and the number of atoms of each element should be the same on both sides of the equation, from that, the balanced equation is:


3(CH₃COO)₂Ca(aq) + 2Li₃PO₄(aq) → Ca₃(PO₄)₂(s) + 6CH₃COOLi(aq)


Have a nice day!

3 0
4 years ago
. Suppose you want to know the amount of heat
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Answer:                                                  .........................................................................................                                      

Explanation:

5 0
3 years ago
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