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tatuchka [14]
2 years ago
5

Single-use earplugs require a professlonal fitting before they can be used.

Chemistry
2 answers:
Morgarella [4.7K]2 years ago
3 0
The answer is B) False
Marysya12 [62]2 years ago
3 0

Answer:

The answer is false

Explanation:

Because i am taking this safety test and i got that question right ong

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How many atoms are in 68.44 grams
creativ13 [48]
Correct answer There are 68 grams are in atoms
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3 years ago
In the gravimetric method, is it important that you dissolve your sample in exactly 10 ml of water? why or why not?.
alekssr [168]

When utilizing the gravimetric method, it is crucial to completely dissolve your sample in 10 mL of water. A quantitative technique called gravimetric analysis employs the selective precipitation of the component under study from an aqueous solution.

A group of techniques known as gravimetric analysis are employed in analytical chemistry to quantify an analyte based on its mass. Gravimetric analysis is a quantitative chemical analysis technique that transforms the desired ingredient into a substance (of known composition) that can be extracted from the sample and weighed. This is a crucial point to remember.

Gravimetric water content (g) is therefore defined as the mass of water per mass of dry soil. To calculate it, weigh a sample of wet soil, dry it to remove the water, and then weigh the dried soil (mdry). Dimensions of the sample Water is commonly forgotten despite having a density close to one.

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8 0
1 year ago
An element is to a __ as an organ is to a ___
Vera_Pavlovna [14]

Answer:

An element is to a compound as an organ is to tissue

Explanation:

5 0
3 years ago
What element’s valence electrons are located in 5s25p4?
IrinaK [193]
The element is TELLURIUM. Tellurium has atomic number 52 with the electronic configuration of [Kr] 4d10 5s2 5p4. The element belongs to group 16 elements on the periodic table. It exhibits various oxidation states: +2, +4, +6, and -2. +4 is its most common oxidation state.
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What element has 14 protons 8 neutrons and 4 electrons?
Nostrana [21]
Silicon................
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