Explain what effect this would have on the person's cells

Chemistry

1 answer:

bekas [8.4K]3 years ago

5 0

What would have an effect on the cells ?

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What is the fraction of the hydrogen atom's mass (11h) that is in the nucleus? the mass of proton is 1.007276 u, and the mass of

ololo11 [35]

Hello there!

To determine the fraction of the hydrogen atom's mass that is in the nucleus, we have to keep in mind that a Hydrogen atom has 1 proton and 1 electron. Protons are in the nucleus while electrons are in electron shells surrounding the nucleus. The mass of the nucleus will be equal to the mass of 1 proton and we can express the fraction as follows:

$Mass Fraction= \frac{mass 1 Proton}{mass H atom} = \frac{1,007276 u}{1,007825}=0,9995$

So, the fraction of the hydrogen atom's mass that is in the nucleus is 0,9995. That means that almost all the mass of this atom is at the nucleus.

Have a nice day!

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3 years ago

When salt dissolves in water, what type of substance is formed? (4 points)

Scilla [17]

Answer:

Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together. After the salt compounds are pulled apart, the sodium and chloride atoms are surrounded by water molecules, as this diagram shows. Once this happens, the salt is dissolved, resulting in a homogeneous solution.

Explanation:

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4 years ago

Which of the following molecules nonpolar?

kap26 [50]

Answer:

CHC13

Explanation:

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4 years ago

Determine the mass of NH4Cl that must be dissolved in 100. grams of H2O to produce a saturated solution at 70.°C.

Delvig [45]

If you look at your Chemistry reference table, the answer should be about 62g of NH4Cl. Lining up the lines of solubility and temperature, you should come to that answer.

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3 years ago

Suppose a student prepares a buffer that is intended to be pH 7.20. However, when the student tests its pH using a pH probe, the

MAXImum [283]

A calibration error could lead to this result, if the pH probe was not properly calibrated before being used, the measured value of pH would be different from the actual pH value. Meaning in this case the student correctly prepared the buffer.
While measuring the mass of the buffer's acid component (for example NaH₂PO₄), the student did not properly set the balance to zero before proceding to weigh the compound, causing the mass readings to be underestimated. As a result, the student weighed more acid than required, eventually leading to a decreased pH value.

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3 years ago