When heating liquid materials in laboratory glassware, a student should always

Chemistry

2 answers:

Lelechka [254]3 years ago

5 0

Answer:

be careful to not hurt yourself

Nady [450]3 years ago

4 0

Answer: make sure the liquid is pointing away from the face

Explanation:

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in the two stage cooling method what is the maximum amount of time allowed for both stages cooling food from 135 to 41 degrees F

BlackZzzverrR [31]

In the past, restaurants had four hours, straight through, to cool food to 41°F or lower. Now the FDA recommends cooling food in two stages -- from 135°F to 70°F in two hours then from 70°F to 41°F or lower in an additional four hours for a total cooling time of six hours
Explanation:
the two-stage cooling method is a Food Code counselled procedure for cooling food in restaurants and foodservice institutions. within the two-stage cooling methodology, food is cooled from 140° F (60° C) to 70° F (21° C) among 2 hours and to 41° F (5° C) or lower among four hours. Use of this cooling methodology ensures that food is cooled quickly and safely and has no harmful effects.

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3 years ago

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The elements of the group IA are termed as alkali metals, because their ___ are alkaline.

Vadim26 [7]

The answer is hydroxides.

The elements of the group IA are termed as alkali metals, because their hydroxides are alkaline.

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2 years ago

Be sure to answer all parts. What is the [H3O+] and the pH of a buffer that consists of 0.26 M HNO2 and 0.89 M KNO2? (K, of HNO2

Aleksandr-060686 [28]

Answer : The $H_3O^+$ ion concentration is, $1.12\times 10^{-3}M$ and the pH of a buffer is, 2.95