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kiruha [24]
3 years ago
14

(7th grade science question)

Chemistry
1 answer:
Akimi4 [234]3 years ago
7 0
The most accurate way to measure a dry ingredient like flour, sugar or chocolate chips is in terms of its weight, which is measured in regular ounces.
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The element Y has 13 electrons. What is the electronic configuration of
enyata [817]

Answer:

0,2,8,3

Explanation:

k shell takes 2,L shell takes 8 and M shell takes the remaining which is 3

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Explanation:

At x = 90   go vertical to the line for NaCl...then go left to the y-axis to find the solubility in 100 g H20   = 40

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2 years ago
How many moles of N2 in 57.1 g of N2?
SpyIntel [72]

We are given –

  • Mass of \bf N_2 is 57.1 g and we are asked to find number of moles present in 57.1 g of \bf N_2

\qquad\pink{\bf\longrightarrow  { Molar \:mass \:of \: N_2:-}  }

\qquad\bf  \twoheadrightarrow 14\times 2

\qquad\bf \twoheadrightarrow   28

\qquad____________________

Now,Let's calculate the number of moles present in 57.1 g of \bf N_2

\qquad\purple{\bf\longrightarrow  { No \:of \:moles = \dfrac{Given \:mass}{Molar\: mass}}}

\qquad\bf   \twoheadrightarrow \dfrac{57.1}{28}

\qquad\bf  \twoheadrightarrow 2.04\: moles

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2 years ago
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Stels [109]

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60-20=40km west because the direction Will favour whichever direction is bigger

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3 years ago
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marishachu [46]

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They had good taste of music.

But I think 'in' is the best preposition.

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