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Annette [7]
3 years ago
9

Q4. A 0.100 M solution of the weak acid HA was titrated with 0.100 M NaOH.The pH

Chemistry
1 answer:
Alex3 years ago
6 0
What grade are u in nnnn
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How much heat is required to melt 26.0 g of ice at its melting point?
MAXImum [283]

Answer:

Heat required to melt 26.0 g of ice at its melting point is 8.66 kJ.

Explanation:

Number of moles of water in 26 g of water: 26× \frac{1}{18.02} moles

                                                                      =1.44 moles

The enthalpy change for melting ice is called the entlaphy of fusion. Its value is 6.02 kj/mol.

we have relation as:

                                           q = n × ΔH

where:

q  = heat

n  = moles

Δ H  = enthalpy

So calculating we get,

                                        q= 1.44*6.02 kJ

                                        q= 8.66 kJ

We require 8.66 kJ of energy to melt 26g of ice.

                       

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Which can associate a suspect's gun with a crime?
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FBI Fedral Burea of Investagation
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Identify the following as an element or compound <br><br> copper II oxide
user100 [1]
Copper II oxide is a compound.
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What is the momentum of a 750-kg car traveling at a velocity of a 25 m/s?
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Momentum = mass x velocity 750x25 = 18750 kg-m/s.


3 0
3 years ago
Need help with this can some please help
vekshin1
I believe you would just put a 2 in front of NH3 and keep the other ones as 1
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