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pickupchik [31]
3 years ago
6

Which indicator is the best choice for a strong acid and strong base

Chemistry
1 answer:
Svetradugi [14.3K]3 years ago
7 0

Answer:

phenolphthalein

Explanation:

In the titration of strong acid and strong base, phenolphthalein is used as suitable indicator.

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How does a scientific theory differ from a guess or an opinion?​
natima [27]

Answer:

Scientific theory differs from a guess or opinion because a scientific theory is a system of ideas that explains many related observation and is supported by a large body of evidence acquired through scientific investigation while guesses and opinions may not reliably predict an outcome, have evidence to back up the theory

Explanation:

5 0
3 years ago
Which reaction type is the following: AgF + CaCl2 --> AgCl + CaF2
nevsk [136]

Explanation:

{\small{\underline{\bf{\red{answer...}}}}} \\  \\

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6 0
3 years ago
Calculate the molar mass of Co2
olga nikolaevna [1]

Answer:

44.01 g/mol

Explanation:

Add each elements atomic mass. For oxygen you will do that twice because their is two oxygens.

- Hope that helps! Please let me know if you need further explanation.

8 0
3 years ago
20 mL of 80°C water is mixed with 20 mL of 0°C water in a perfect calorimeter. What is the final temperature?
dedylja [7]
To calculate for the final temperature, we need to remember that the heat rejected should be equal to the absorbed by the other system. We calculate as follows:

Q1 = Q2
(mCΔT)1 = (mCΔT)2

We can cancel m assuming the two systems are equal in mass. Also, we cancel C since they are the same system. This leaves us,

 (ΔT)1 = (ΔT)2
(T - 80) = (0 - T)
T = 40°C
8 0
3 years ago
MULTIPLE CHOICE
adelina 88 [10]

Answer:

C 2

Explanation:

2Nal + Cl2 → 2NaCl + I2

This is balanced equation

6 0
3 years ago
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