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2 years ago

5 Explain How can atoms make up all of the substances around you? Explain you reasoning

Chemistry

1 answer:

Viktor [21]2 years ago

4 0

Answer:

Atoms are the building blocks of cells, which are the building blocks of all things. Every thing that exists is comprised of cells of various elements and compounds, held together by atomic bonds.

Hope this helps :)

Explanation:

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What is the weight of:

Dafna11 [192]

Answer:

Oxygen = 15.999 g/mol

Iron = 3 × 55.845 = 167.535 g/mol

CaCO3 = 20 × 100.0869 = 2001.738 g/mol

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2 years ago

Bilangan oksidasi vanadium paling tinggi terdapat dalam senyawa..

emmasim [6.3K]

The answer is (b). As, vanadium is attached to five fluoride atoms, each flouride containing -1 oxidation state, hence five fluoride contains -5, to neutralize, vanadium should have +5 oxidation state.

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3 years ago

Fill in the coefficients to balance the equation for the chemical reaction that occurs:

Dominik [7]

Answer:

The equation is balanced

Explanation:

NaCl (aq) + AgNO3(aq) ––> AgCl (s) + NaNO3 (aq)

NaCl (aq) + AgNO3 (aq)

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2 years ago

Scott and James work at a grocery store. After the grocery

sashaice [31]

Answer: b) Crash 2; the force on the cart was stronger in this crash, so the force on the skateboard was also stronger.

Explanation:

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3 years ago

What is the final volume of a gas (in liters) when the initial volume is 14.00 L at

8_murik_8 [283]

Answer:

$V_2=1344L$

Explanation:

Hello there!

In this case, since we have a problem about volume-pressure relationship, the idea here is to use the Boyle's law to calculate the final volume as shown below:

$P_2V_2=P_1V_1\\\\V_2=\frac{P_2V_2}{P_1}\\$

Then, we plug in the initial and final pressures and the initial volume to obtain:

$V_2=\frac{14.00L*0.9600atm}{0.01000atm}\\\\V_2=1344L$

Regards!

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2 years ago