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Slav-nsk [51]
3 years ago
11

Glycerine is known as a negative catalyst.why?​

Chemistry
1 answer:
ioda3 years ago
6 0

Answer:

The presence of 1-2% ethanol as catalyst, suppresses the oxidation of chloroform with oxygen to give a poisonous gas called phosgene. ... Here glycerol acts as negative catalyst. Criteria or characteristics of catalysts. i. The mass and chemical composition of catalyst should remain unchanged at the end of the reaction.

Explanation:

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Predict the whether the following reactions are possible or not.
vova2212 [387]

Answer:

1. No

2. No

3. Yes

4. No

5. Yes

6. No

Explanation:

Use the reactivity series. If the element is above it, it is more reactive. More reactive elements can displace less reactive elements from their compounds.

5 0
3 years ago
Opening a can of paint requires a screwdriver or other machine to pry open the lid. how does a screwdriver affect the force appl
joja [24]
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7 0
4 years ago
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The energy needed to remove an electron from an atom is called
Arlecino [84]

Ionization energy, also called ionization potential, in chemistry, the amount of energy required to remove an electron from an isolated atom or molecule

3 0
3 years ago
Calculate the [H3O'J in a solution that has a pH of 9.11. A) 7.8 x 10-10 B) 1.3 x 10-5 C) 9.1 x 10-9 D) 0.96 E) 0.69
puteri [66]

<u>Answer:</u> The correct answer is Option A.

<u>Explanation:</u>

pH is defined as negative logarithm of hydronium ion concentration. It is basically defined as the power of hydrogen ions that are present in a solution.

Mathematically,

pH=-\log[H_3O^+]

pH of the solution = 9.11

Putting values in above equation, we get:

9.11=-\log[H_3O^+]

[H_3O^+]=antilog(-9.11)

[H_3O^+]=7.8\times 10^{-10}

Hence, the correct answer is Option A.

7 0
4 years ago
What temperature in Celsius is 281 K
Nana76 [90]

Answer:

7.85 C

Explanation:

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4 0
3 years ago
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