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algol13
3 years ago
9

The chemical hazard label indicates the class of hazard. It uses three major color-coded categories: Health (yellow), Flammabili

ty (red), and Instability (blue).
True
False
Chemistry
1 answer:
tresset_1 [31]3 years ago
7 0

Answer: False

Explanation: The chemical hazard label indicates the class of harzard of chemical products. It appears on their Safety Data Sheet (SDS), which contains a lot of informations about these substances.

The chemical hazard label is divided into four colors and which one has a meaning (categorie) connected with a number, like:

Blue: Health hazard - If the chemical is deadly (4), extreme danger (3), hazardous (2), slightly hazardous (1) or a normal material (0).

Red: Fire hazard (flammability) - If the chemical has flash point bellow 73ºF (4), bellow 100ºF (3), above 100ºF not exceeding 200ºF (2), above 200ºF (1) or will not burn (0).

Yellow: Reactivity (it can be related to instability) - If the chemical may detonate (4), shock and heat may detonete it (3), if it can suffer a violent chemical change (2) or unstable if heated (1) or if it is stable (0).

White: Specific hazard - If the chemical is acid (ACID) or alkali (ALK), for example.

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Consider the reaction 3X + 2Y → 5C + 4D With excess Y, how many moles of X are needed to produce 21.00 moles of D?​
Elan Coil [88]

Answer:

\huge\boxed{\sf 15.75\ moles }

Explanation:

<u>Given reaction is:</u>

3X + 2Y → 5C + 4D

<u>In this reaction, we have:</u>

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So, to produce 21 moles of D, we need 15.75 moles of X.

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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