2 years ago

The statements in the table summarize what Johannes Kepler stated in the early 1600s about the motion of planets.

Chemistry

1 answer:

SIZIF [17.4K]2 years ago

4 0

Answer:

it's law

Explanation:

i got it wrong because i put the wrong answer but it was law or c

i hope this help's

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Using charge to describe an atom

g100num [7]

Answer:

this atom has nine electrons

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3 years ago

A4 kg object is being pulled to the east by a 6 N force. What is the object's<br> acceleration?

Dahasolnce [82]

1.5 ms⁻²

Explanation:

We understand that Force is also given as mass * acceleration;

F = Ma

If force is 6N and the mass is 4kg of the object, the a can be evaluated as follows;

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3 years ago

Scientists have observed that hurricanes are strongest over water, and that hurricanes lose momentum and become weak when they r

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2 years ago

Determine how many atoms of pure silver will be created when 19.83 x 1023 atoms of copper are used in the following reaction:

Lubov Fominskaja [6]

Answer:

$\boxed{3.966 \times 10^{24}\text{ atoms of Ag}}$

Explanation:

(a) Balanced equation

Cu + 2AgNO₃ ⟶ Cu(NO₃)₂+ 2Ag

(b) Calculation

You want to convert atoms of Cu to atoms of Ag.

The atomic ratio is ratio is 2 atoms Ag:1 atom Cu

$\text{Atoms of Ag} = 19.83 \times 10^{23}\text{atoms Cu} \times \dfrac{\text{2 atoms Ag}}{\text{1 atom Cu}}\\\\= 3.966 \times 10^{24}\text{ atoms of Ag}\\\\\text{The reaction will produce }\boxed{\mathbf{3.966 \times 10^{24}}\textbf{ atoms of Ag}}$

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2 years ago

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In part of which layer does heat flow by convection?

marshall27 [118]

Answer:

the mantle because it's just built different

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3 years ago