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pishuonlain [190]
3 years ago
5

What happened to gas produces by the tablet when it reaches the top of the bottle?

Chemistry
1 answer:
Tomtit [17]3 years ago
5 0

Answer:

it sank to the bottom and started dissolving and creating a gas (gas production is a sign that a chemical change is happening)!

Explanation:

As the gas bubbles rose, they carried some of the colored water with them. When the blob of water reached the top, the gas escaped and down went the water.

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The proper name for PCl6 is phosphorus hexachloride.<br><br> TRUE<br><br> FALSE
Alenkasestr [34]
The proper name for PCI6 is phosphorus hexachloride. Therefore it’s true
8 0
3 years ago
What is the smallest packet of electromagnetic energy that can be absorbed or emitted
marishachu [46]
I believe a photon is the answer you are looking for.
5 0
4 years ago
What is the mass (in grams) of 6.78 moles of dinitrogen pentoxide
WINSTONCH [101]
<h2>Hello!</h2>

The answer is:

There are 732.24 grams of Dinitrogen Pentoxide  N_{2}O_{5} in 6.78 moles of the same compound.

<h2>Why?</h2>

The dinitrogen pentoxide, or nitrogen pentoxide, is a rare salt that consists of anion and cations, and it's an important compound when preparing some kinds of explosives.

So, to answer the question, first,  need to look for the molecular formula of the dinitrogen pentoxide, then, use it to calculate the mass in gram of 6.78 moles of the same compound.

The dinitrogen pentoxide formula is:

N_{2}O_{5}

Where, the molar mass of each element are:

N=\frac{14g}{mol}

O=\frac{16g}{mol}

Calculating the molar mass  of the compound, we have:

N_{2}O_{5}=2*(\frac{14g}{mol})+5*(\frac{16g}{mol})

N_{2}O_{5}=(\frac{28g}{mol})+(\frac{80g}{mol})=(\frac{108g}{mol}

Now, calculating what is the mass of 6.78 of N_{2}O_{5}, we have:

mass=moles*MolarMass=6.78mol(N_{2}O_{5})*\frac{108g}{mol}=732.24g(N_{2}O_{5})

So, there are 732.24 grams of Dinitrogen Pentoxide  N_{2}O_{5} in 6.78 moles of the same compound.

Have a nice day!

3 0
4 years ago
If the mass of monomer 105 atomic mass units, find the mass of a polymer contianing 122 monomers
sukhopar [10]
<span>12810 atomic mass units
   Since a monomer is the basic building block of a polymer, we just need to multiply the mass of the monomers by the number of monomers used. So 105 atomic mass units * 122 = 12810 atomic mass units</span>
3 0
3 years ago
What is the mass of 2.50L of SO2 gas at stp
maxonik [38]
STP is abbreviation for Standard Temperature and Pressure at which the temperature is 273 K and pressure is 1 atm 
- At these conditions the molar volume is equal to 22.4 L
so 1 mole of SO₂ volume = 22.4 L 
     ? mole of SO₂ volume = 2.5 L
number of moles = 2.5 / 22.4 = 0.1116 mol
mass of SO₂ = 0.1116 * 64.063 = 7.15 g
5 0
3 years ago
Read 2 more answers
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