3 years ago

1- How long does it take after you consume isotopes until they end up in your hair?

Chemistry

1 answer:

mixer [17]3 years ago

7 0

Answer:

could you explain the question further

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The Molecule Is ___

vagabundo [1.1K]

Answer:

i would try A

Explanation:

4 0

4 years ago

A common neutralization reaction, that is used in titrations, involves sodium hydroxide, NaOH, reacting with nitric acid, HNO3.

sertanlavr [38]

The common neutralization reaction that involve NaOH reacting with HNO3 produces

NaNO3 and H2O

The equation for reaction is as folows
NaOH + HNO3 = NaNO3 + H2O
that is 1 mole of NaOH reacted with 1 mole of HNO3 to form 1 mole of NaNO3 and 1 mole of H2O

4 0

3 years ago

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What does it mean by the gas law? Can someone tell me how to do it step by step please it’s my final project

Rus_ich [418]

Answer:

gas laws involve the physical laws that describe the properties of gases.

Explanation:

4 0

4 years ago

ASAP PLEASE

Natasha2012 [34]

Answer:

Option A.) 2 ppm

Explanation:

60 particles in 30 million can be expressed as a fraction:

$\frac{60}{30million}$

And, dividing both numerator and denominator by 30, that can be simplified as:

$\frac{2}{1million}$

That means 2 particles of sulfur dioxide in 1 million particles of sample, which is 2 parts per million or 2 ppm, which is the option A.

8 0

4 years ago

Calculate the number of moles in each sample. part a 76.1 g h2ccl2

Airida [17]

The number of moles in a substance may be calculated using:

Moles = mass / molecular mass

The molecular mass of CH₂Cl₂ is:
12 + 2 * 1 + 2 * 35.5
= 85 grams / mole

Moles = 76.1 / 85
Moles = 0.895

There are 0.90 moles of CH₂Cl₂ present in 76.1 grams.

3 0

4 years ago