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Alex17521 [72]
3 years ago
13

A(n) ________ Exposure is a short term or brief exposure that may create an immediate health hazard. A. Acute B. Chronic C. Emer

gency D. Short
Chemistry
2 answers:
Yanka [14]3 years ago
7 0
A(n) Acute exposure is a short term or brief exposure that may create an immediate health hazard. Answer: A)
Elina [12.6K]3 years ago
4 0

Answer: A. Acute

Explanation:

An acute exposure can be define as the exposure of the substance, a living agent or organism to a radiation, substance, particle or poison for a short period of time. These radiation, particle, substance or poison are capable of causing harm to the exposed agent causing health hazards which show immediate symptoms.  

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Select the correct answer. Based on the reactivities of the elements involved, which reaction will form products that are more s
FinnZ [79.3K]

Answer: The correct answer is option B.

Explanation: Reactivity of elements is defined as the tendency to loose or gain electrons.

These reactions are a type of single displacement reactions. A single displacement reaction is a type of reaction in which an element displaces another element in a chemical reaction. These are studied with the help of reactivity series.

The element which lies above in the reactivity series can easily displace the element which lies below in the reactivity series.

Option A: This reaction will not yield a stable product because Zinc lies below Aluminium in the reactivity series.

AlBr_3+Zn\rightarrow \text{No reaction}

Option B: This reaction will yield a stable product because Sodium lies above Calcium in the reactivity series.

CaBr_2+2Na\rightarrow 2NaBr+Ca

Option C: This reaction will not yield a stable product because Hydrogen lies below Magnesium in the reactivity series.

MgBr_2+H_2\rightarrow \text{No reaction}

Option D: This reaction will not yield a stable product because Calcium lies below Barium in the reactivity series.

BaBr_2+Ca\rightarrow \text{No reaction}

Option E: This reaction will not yield a stable product because barium lies below Lithium in the reactivity series.

2LiBr+Ba\rightarrow \text{No reaction}

8 0
3 years ago
Using the law of conservation of energy what is the kinetic energy at D
seraphim [82]

Answer:

The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another.

Explanation:

This means that a system always has the same amount of energy, unless it's added from the outside.

3 0
2 years ago
a fixed amount of gas at 25.0 degrees Celsius occupies a volume of 10.0 L when the pressure is 629 torr. Use Charles law to calc
kirill [66]

Explanation:

Since pressure remained constant, we can eliminate P from the equation

\frac{pv }{t}  =  \frac{pv}{t}

Doing some algebra and converting temperature to Kevin by adding 273, you should obtain the same result.

8 0
3 years ago
What is the Gibbs free energy?
Dimas [21]
It's a thermodynamic quantity equal to the enthalpy minus the product of entropy and the absolute temperature
7 0
3 years ago
Read 2 more answers
What is the atomic number of the element located in group 16
laila [671]

Answer:

Sulfur

Explanation:

Sulfur is a chemical element that is represented with the chemical symbol "S" and the atomic number 16 on the periodic table.

7 0
3 years ago
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