Answer:
a) 8.33 ml of the original stomach acid is neutralized
b) 191.67 ml of the stomach acid was neutralized
c) 249.68 ml acid would be neutralized by the original tablet
Explanation:
a) how much of the stomach acid had been neutralized in the 25 mL sample wich was titrated?
25.5 ml of a NaOH solution is equivalent to 25.00 ml of the original stomach acid
8.5 ml NaOH * (25.00 ml original stomach acid / 25.5 ml NaOH) = 8.33 ml original stomach acid
b) how much stomach acid was neutralized y the 4.3628 g tablet?
It takes 8.5 ml NaOH to neutralize 8.33 ml original acid (this is the answer for question 1)
This means the antacid neutralized = 200 ml - 8.33 ml = 191.67 ml
c) how much stomach acid would have been neutralized by the original 5.6832 g tablet
4.3628 g antacid is equivalent to 191.67 ml acid ( this is the answer for question 2)
5.6832g antacid * (191.67 ml acid / 4.3628 g antacid) = 249.68 ml acid
In general, if the temperature of a chemical reaction is increased, the reaction rate increases as well. The correct answer is A.
Answer: The average rate of the reaction during this time interval is, 0.005 M/s
Explanation:
The given chemical reaction is:

The expression will be:

where,
= final concentration of
= 0.025 M
= initial concentration of
= 0.100 M
= final time = 15 minutes
= initial time = 0 minutes
Putting values in above equation, we get:


Hence, the average rate of the reaction during this time interval is, 0.005 M/s
when it is in the water it will make a hissing sound, and when it is not not making the sound they know it can pulled out of the water. hope this helps :)
Answer:
In order for scientists to know how old a fossil is they use the process of fossil dating of relative dating. The most common method of dating is the Uranium-lead dating. There are multiple minerals used for uranium-lead dating, the most common/preferred is Zircon. The mineral zircon is ideal because:
- Zircon is a hard mineral, this makes it impervious to weathering.
- It is resistant to chemical and mechanical weathering, and metamorphism
Explanation: