I will give brainlyest Explain why science is a continuous progression of study.

Chemistry

1 answer:

Likurg_2 [28]3 years ago

8 0

It’s because new discoveries are made all the time sometimes what was considered right may be found out to be wrong

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How many Joules does it take to raise 1 g of water 2°C

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Answer:

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Answer:

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Explanation:

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3 years ago

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(20 Points!!!!!)

trasher [3.6K]

i am pretty sure it would be a chemical change so A

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3 years ago

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I NEED HELP PLEASE, THANKS! :)

marin [14]

Answer:

$\large \boxed{1.447 \times 10^{23}\text{ molecules Cu(OH)}_{2 }}$

Explanation:

1. Calculate the moles of copper(II) hydroxide

$\text{Moles of Cu(OH)}_{2} = \text{23.45 g Cu(OH)}_{2} \times \dfrac{\text{1 mol Cu(OH)}_{2}}{\text{97.562 g Cu(OH)}_{2}} = \\\\\text{0.240 36 mol Cu(OH)}_{2}$

2. Calculate the molecules of copper(II) hydroxide

$\text{No. of molecules} = \text{0.240 36 mol Cu(OH)}_{2} \times \dfrac{6.022 \times 10^{23}\text{ molecules Cu(OH)}_{2}}{\text{1 mol Cu(OH)}_{2}}\\\\= 1.447 \times 10^{23}\text{ molecules Cu(OH)}_{2}\\\text{The sample contains $\large \boxed{\mathbf{1.447 \times 10^{23}}\textbf{ molecules Cu(OH)}_{\mathbf{2}}}$}$

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3 years ago

Rearrange the equation for the area of a rectangle (A=l x w) to solve for length, L

Mariana [72]

Not sure if this is what you mean but l= A/w
(length equals area divided by width)

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