2 years ago

Explain why this substance is formed?

Chemistry

1 answer:

sveticcg [70]2 years ago

6 0

Explanation:

About which substance you are talking?

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What element does “X” represent in Figure 1?

vredina [299]

Answer:

Argon

Explanation:

It's atomic number is 18

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2 years ago

I would be so grateful if someone helped me with my lab report. My lab report is about identifying unknown solids.

kipiarov [429]

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Explanation:

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2 years ago

You have a solution that is 0.02M formate (HCOO-) and 0.03M formic acid (HCOOH), which has a Ka of 1.8x10-4. What is the pH of t

lisov135 [29]

Answer:

3.6

Explanation:

Step 1: Given data

Concentration of formic acid: 0.03 M

Concentration of formate ion: 0.02 M

Acid dissociation constant (Ka): 1.8 × 10⁻⁴

Step 2: Calculate the pH

We have a buffer system formed by a weak acid (HCOOH) and its conjugate base (HCOO⁻). We can calculate the pH using the Henderson-Hasselbach equation.

$pH = pKa +log\frac{[base]}{[acid]} = -log 1.8 \times 10^{-4} + log \frac{0.02}{0.03} = 3.6$

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3 years ago

Scientists use _____ as chemical symbols. dots letters shapes lines

defon

Answer:

Letters

Explanation:

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3 years ago

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Each enzyme has an optimal temperature and pH that it works best in. If enzyme ABC works best at pH 7, but ABC is in a cell with

xeze [42]

Answer:

Less reactions because it does not have the best pH to for that particular enzyme to work in. If it was at pH of 7, ABC would work best and catalyze a lot of reactions, but since the pH is 9 it will not work as efficiently or better so it will catalyze less reactions.

Explanation:

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3 years ago