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3 years ago

14

(b) on the graph above, carefully draw three curves, one for each of the three gases, starting from the initial point you drew i

n part (a). the curves must show how the concentration of each of the three gases changed as equilibrium was established

1 answer:

borishaifa [10]3 years ago

8 0

Obg statement aka the unkownExplanation:

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Predict how many antacid tablets it would take to produce 120 mL of CO2 gas

Alja [10]

<span>The question does not mention the brand or size of antacid tablets, but some research in the internet shows that for a very common brand, Alka Seltzer, that it takes about 4 tablets to produces 60 mL of gas. So for 120mL it will take 120/60 x 4 or 8 tablets to produce 120 mL of CO2 gas.</span>

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3 years ago

Name a property copper has?

Ilya [14]

Answer:

Explanation:

It is malleable, ductile, and a good conductor of electricity and heat.

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2 years ago

The volume of a sample of <img src="https://tex.z-dn.net/?f=P_b" id="TexFormula1" title="P_b" alt="P_b" align="absmiddle" class=

murzikaleks [220]

Answer : The mass of sample is, 267.5 grams.

Explanation :

Density : It is defined as the mass of a substance contained per unit volume.

Formula used :

$Density=\frac{Mass}{Volume}$

Given:

Volume of Pb = $23.57cm^3$

Density of Pb = $11.35g/cm^3$

Now put all the given values in the above formula, we get the mass of Pb.

$11.35g/cm^3=\frac{Mass}{23.57cm^3}$

$Mass=267.5195g=267.5g$

Therefore, the mass of sample is, 267.5 grams.

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3 years ago

2. How many moles of salt are present in 1.5L of a 5.OM salt water solution?

madam [21]

Answer:

There are 7.5 moles of salt

Explanation:

5.0M means that in every liter of solution, there are 5 moles of salt. So, 1.5L of solution times 5 moles per liter equals 7.5 moles

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3 years ago

Which of the following is required for a reaction to occur?

dezoksy [38]

I WOULD SAY d. ALL OF ABOVE

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