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miss Akunina [59]
4 years ago
5

28. Which lab equipment in not used for heating and mixing

Chemistry
1 answer:
noname [10]4 years ago
4 0

Answer:

test tube

Explanation:

took the test

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Write the net ionic equation for the reaction between hydrocyanic acid and potassium hydroxide. Do not include states such as (a
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Answer:

The net ionic equation is as follows:

HCN(aq) + OH-(aq) ----> H20(l) + CN-(aq)

Explanation:

The reaction between Hydrocyanic acid, HCN, and sodium hydroxide is a neutralization reaction between a weak acid and a strong base.

Hydrocyanic acid being a weak acid ionizes only slightly, while sodium hydroxide being a strong base ionizes completely. The equation for the reaction is given below:

A. HCN(aq) + NaOH-(aq) ----> NaCN(aq) + H2O(l)

Since Hydrocyanic acid is written in the aqueous form as it ionizes only slightly and the ionic equation is given below:

HCN(aq) + Na+(aq)+OH-(aq) ----> Na+(aq)+CN-(aq) + H2O(l)

Na+ being a spectator ion is removed from the net ionic equation given below:

HCN(aq) + OH-(aq) ----> H20(l) + CN-(aq)

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Answer: This would be C.) 70%

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3 years ago
What is the mass of one mole of carbon-12?
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Answer:

Hello

12 grams

The mass of one mole of carbon-12 atoms is 12 grams.

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You have studied the gas-phase oxidation of HBr by O2: 4 HBr(g) + O2(g) → 2 H2O(g) + 2 Br2(g) You find the reaction to be first
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