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4 years ago

In which part of the scientific method would you interpret data?

Chemistry

2 answers:

LenKa [72]4 years ago

4 0

The answer is B. Analysis

wariber [46]4 years ago

3 0

The correct answer is: [B]: "analysis" .
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What will a red giant that has a low mass likely become?

lys-0071 [83]

Answer:

Nothing it'll just stay the same

Explanation:

Is this a joke?

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3 years ago

A metal atom loses electrons from its outermost energy level and acquires a (positive) or (negative) charge. These electrons joi

larisa [96]

acquires a positive charge

electrically (neutral)

5 0

3 years ago

Which element has 32 protons in its nucleus? phosphorus cobalt germanium sulfur

vovangra [49]

Answer:

Germanium.

Explanation:

In a neutral atom: the number of protons = the number of electrons.

Atomic number of a neutral atom = number of electrons = number of protons.

Phosphorous is an element with atomic number 15 and thus contains 15 electrons and 15 protons.

Cobalt is an element with atomic number 27 and thus contains 27 electrons and 27 protons.

<em>Germanium is an element with atomic number 32 and thus contains 32 electrons and 32 protons.</em>

Sulfur is an element with atomic number 16 and thus contains 16 electrons and 16 protons.

7 0

3 years ago

Read 2 more answers

When substances go through chemical changes, which of the following will always happen? A. Exactly one new substance will form a

tiny-mole [99]

I think b is the answer

4 0

4 years ago

Read 2 more answers

What is the mole fraction of potassium dichromate, K2Cr2O7, in a solution prepared from 24.42 g of potassium dichromate and 240.

Harrizon [31]

Answer:

$6.19\times 10^{-3}$ is the mole fraction of potassium dichromate.

Explanation:

Mass of potassium dichromate = 24.42 g

Moles of potassium dichromate = $n_1=\frac{24.42 g}{294.185 g/mol}=0.0830 mol$

Mass of water = 240.0 g

Moles of water = $n_2=\frac{240.0 g}{18.015 g/mol}=13.3222 mol$

Mole fraction is calculated by:

$\chi_1=\frac{n_1}{n_1+n_2}$

$\chi_1=\frac{0.0830 mol}{0.0830 mol+13.3222 mol}=0.00619=6.19\times 10^{-3}$

$6.19\times 10^{-3}$ is the mole fraction of potassium dichromate.

8 0

3 years ago