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3 years ago

11

Safety is a concern around electronic equipment of all types. What particular safety hazard may exist A. Laser light B. High vol

tage C. Delicate equipment D. Radioactivity

1 answer:

omeli [17]3 years ago

7 0

All of the above. If you are going to narrow it down, it would be high voltage and radioactivity.

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Help please <br> 12 point

Artyom0805 [142]

An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. im sorry i only could do one! but hope this helped!

7 0

3 years ago

The rate of a reaction is measured by how fast a reactant is used up or how fast a product is formed.

ivanzaharov [21]

This statement is true. The rate of the reaction is measured by how fast a reactant is used up, or how fast a product is formed. This all tie's into the usage of energy.

4 0

3 years ago

11. You have 700 grams of AgO. How many moles are present?

solniwko [45]

<h2>Answer:</h2>

5.65moles

<h2>Explanations:</h2>

The formula for calculating the number of moles the compound contain is given as:

$moles=\frac{Mass}{Molar\text{ mass}}$

Given the following parameters

Mass of Ag = 700grams

Determine the molar mass of AgO

Molar mass = 107.87 + 16

Molar mass = 123.87g/mol

Determine the moles of AgO

$\begin{gathered} moles=\frac{700}{123.87} \\ moles\text{ of AgO}=5.65moles \end{gathered}$

Hence the moles of AgO present is 5.65moles

7 0

1 year ago

The highly reactive elements in group 7A are known for forming salts. What are they called? transition metals metalloids halogen

liberstina [14]

The group 7A elements are called Halogens.

Please mark as brainliest if this helped! :)

4 0

3 years ago

What is the highest occupied molecular orbital in the O2 molecule?

Aleonysh [2.5K]

H2 is known to exist. For dihydrogen, H2, we can identify the frontier molecular orbitals (FMOs). The highest occupied molecular orbital (or HOMO) is the σ (sigma) 1s MO. The lowest unoccupied MO (LUMO) is the σ* (sigma star) 1s MO which is antibonding.

3 0

3 years ago