Answer:
Amount of bromide ion present
Explanation:
The reaction of aqueous silver nitrate with sodium bromide could be a method of gravimetrically determining the concentration of the bromide ion present. It has been an old analytical technique in chemistry to determine the concentration of an ion by precipitating the ion using the appropriate precipitating agent and weighing the precipitate.
By determining the mass of the bromide ion reacted we could also discover the amount of sodium bromide that originally reacted.
The last statement is correct...
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The heat required to increase the temperature of 1.20 g of water is 80,256 k/j
<h3>What is specific heat?</h3>
The amount of energy needed to raise the temperature of one gram of a substance by one degree Celsius.
4. 18 J heat is required to change the temperature of 1.20 kg of water from 23. 00 °c to 39. 00 °c.
The heat required to raise temperature is the product of mass, specific heat and temperature change
1,200 × 4.18 × (39 − 23) = 80,256
Thus, the heat required to increase the temperature of 1.20 g of water is 80,256 k/j
Learn more about specific heat
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Moles= number of molecules/Avogadro’s constant
(3.8 x 10^24) /(6.02 x 10^23)
=6.31229..
Volume=moles*24(molar gas volume under STP)
= 6.31229...*24
= 151.5 dm^3 (units mainly used in the UK)
=. 151.5 litres
Answer:
A. Karl Landsteiner is the most likely for her to mention.