When combined, aqueous solutions of sulfuric acid and potassium hydroxide react to form water and aqueous potassium sulfate according to the following equation (unbalanced): H 2 SO 4 ( a q ) + KOH ( a q ) → H 2 O ( l ) + K 2 SO 4 ( a q ) Determine what mass of water is produced when a beaker containing 100.0 g H 2 SO 4 dissolved in 250 mL water is added to a larger beaker containing 100.0 g KOH dissolved in 225 mL water. Determine the mass amounts of each substance (other than water) present in the large beaker when the reaction is complete.
When combined, aqueous solutions of sulfuric acid and potassium hydroxide react to form water and aqueous potassium sulfate according to the following equation (unbalanced): H 2 SO 4 ( a q ) + KOH ( a q ) → H 2 O ( l ) + K 2 SO 4 ( a q ) Determine what mass of water is produced when a beaker containing 100.0 g H 2 SO 4 dissolved in 250 mL water is added to a larger beaker containing 100.0 g KOH dissolved in 225 mL water. Determine the mass amounts of each substance (other than water) present in the large beaker when the reaction is complete.
Solution Summary: The author explains that a balanced chemical equation follows the law of conservation of mass, which defines that the number of reactant and product atoms must be equal.
When combined, aqueous solutions of sulfuric acid and potassium hydroxide react to form water and aqueous potassium sulfate according to the following equation (unbalanced):
H
2
SO
4
(
a
q
) + KOH
(
a
q
)
→
H
2
O
(
l
)
+ K
2
SO
4
(
a
q
)
Determine what mass of water is produced when a beaker containing 100.0 g
H
2
SO
4
dissolved in 250 mL water is added to a larger beaker containing 100.0 g
KOH
dissolved in 225 mL water. Determine the mass amounts of each substance (other than water) present in the large beaker when the reaction is complete.
1.
How many neighbors does the proton that produces the multiplet below have?
2.
3.
اللـ
Draw a partial structure from the multiplet below. (The integration of the multiplet is 6)
M
Using the additivity constants found in appendix G of your lab manual, calculate the approximate chemical
shifts of the protons indicated below. (Show your work!!!)
B
A
Br
SH
1) Suppose 0.1 kg ice at 0°C (273K) is in 0.5kg water at 20°C (293K). What is the change in entropy of the ice as it melts at 0°?
To produce the original "water gas" mixture, carbon (in a combustible form known as coke) is reacted with steam: 131.4 kJ + H20(g) + C(s) → CO(g) + H2(g) From this information and the equations in the previous problem, calculate the enthalpy for the combustion or carbon to form carbon dioxide.
kindly show me how to solve this long problem. Thanks
4.
An 'H-NMR of a compound is acquired. The integration for signal A is 5692 and the integration for signal
B is 25614. What is the simplest whole number ratio of protons for signals A and B? (Show your work!!!)
5.
Assign the carbons in the NMR below as either carbonyl, aromatic, or alkyl.
200
150
100
50
ō (ppm)
1
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell