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3 years ago

15

What chemicals would be needed to create a mint that actually cleaned teeth while offering flavors and consumable chemicals? I'd

like multiple responses.

1 answer:

amid [387]3 years ago

5 0

Answer:

ddddddddddddddddddddddddddddddddddddddddddddddddd

Explanation:

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The density of no2 in a 4.50 l tank at 760.0 torr and 25.0 Â°c is ________ g/l.

kap26 [50]

From ideal gas equation that is PV=nRT
n(number of moles)=PV/RT
P=760 torr
V=4.50L
R(gas constant =62.363667torr/l/mol
T=273 +273=298k
n is therefore (760torr x4.50L) /62.36367 torr/L/mol x298k =0.184moles
the molar mass of NO2 is 46 therefore density= 0.184 x 46=8.464g/l

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3 years ago

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What is a common property of metals

aivan3 [116]

They are malleable and conductive

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3 years ago

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During what phase of mitosis do the chromosomes pull apart and begin to form two new cells?

PIT_PIT [208]

Answer: Anaphase—easy way to remember is thinking anaphase=apart

Explanation:

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4 years ago

What are the branches of chemistry and their definition?

SashulF [63]

The five main branches of chemistry are organic chemistry, inorganic chemistry, analytical chemistry, physical chemistry and biochemistry. Chemistry can be further divided into many sub-branches that may fall under more than one of the main branches.

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4 years ago

Determine how many gmol, kmol, and lbmols there are in 50 kilograms of n-hexane.

Artist 52 [7]

Answer: 581 gmol

0.581 kmol

$1.28\times 10^{-3}lbmol$

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}=\frac{50\times 1000g}{86g/mol}=581mol$

1. The conversion for mol to gmol

1 mol = 1 gmol

581 mol= $\frac{1}{1}\times 581=581gmol$

2. The conversion for mol to kmol

1 mol = 0.001 kmol

581 mol= $\frac{0.001}{1}\times 581=0.581kmol$

3. The conversion for mol to lbmol

1 mol = $2.2\times 10^{-3}lbmol$

581 mol= $\frac{2.2\times 10^{-3}}{1}\times 581=1.28\times 10^{-3}lbmol$

3 0

3 years ago