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3 years ago

The immediate concern of chlorine exposure is the effects on the ____?

1 answer:

7 0

The effects of the exposure of chlorine happens instantly. The degree of damage would depend on how much was chlorine present, where did it enter and how long was the exposure. Inhalation of the gas would cause tightness in the chest, bronchospasm, and noncardiogenic pulmonary edema. When ingested, it would damage the gastrointestinal tract. Exposure to the gas would irritate eye and the skin. Also, it would cause burns.

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What is the pH of a 3.5 x 10-^6 M solution of HCl?

Svetach [21]

Answer:

5.46

Explanation:

From the question,

pH this can be defined as the acidity or alkalinity of a solution.

The expression for pH is given as

pH = -log(H⁺)...................... Equation 1

Where H⁺ = Hydrogen ion of HCL

Given: H⁺ = 3.5×10⁻⁶ M

Substitite this value into equation 1

pH = -log(3.5×10⁻⁶)

pH = 5.46

Hence the pH of HCl is 5.46

8 0

3 years ago

What is the mass, in grams, of 1.26 mol of water, H2O?

Masteriza [31]

Answer:

The mass of 1.26 mole of water, H₂O, is 22.68 grams

Explanation:

Molar mass is the amount of mass that a substance contains in one mole. In other words, the molar mass of an atom or a molecule is the mass of one mole of that particle and its unit is g/mole.

In this case, being:

H: 1 g/mole
O: 16 g/mole

the molar mass of water H₂O is:

H₂O= 2*1 g/mole + 16 g/mole= 18 g/mole

Then you can apply the following rule of three: if 18 grams are present in 1 mole of H2O, how much mass is present in 1.26 moles of water?

$mass=\frac{1.26 moles*18 grams}{1 mole}$

mass= 22.68 grams

<u><em>The mass of 1.26 mole of water, H₂O, is 22.68 grams</em></u>

8 0

4 years ago

What is the relationship between wind and ocean waves?

WINSTONCH [101]

The Correct Answer Is D: Wind moving at higher speeds will transfer more energy to the water, resulting in stronger waves.

Proof:

3 0

3 years ago

Read 2 more answers

Which of the following is NOT one of the four pieces of evidence Wegener

Arturiano [62]

I think it may be “past climate of Earth seen in glaciers”/ I learned about this and that one doesn’t really ring a bell, plus it doesn’t make sense to me. I four sure know it’s not the fitting like a puzzle one. Sorry if I get this wrong.

4 0

3 years ago

What is the approximate time of day, based on the position of the Sun in the sky?

Ivenika [448]

Answer:

sunrise

Explanation:

The sun rises from the east as there is a time difference the further east you go.

3 0

4 years ago

Read 2 more answers