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Vika [28.1K]
3 years ago
14

What are the three missions of the ISS

Chemistry
1 answer:
AlekseyPX3 years ago
4 0
Hit
Or
Miss

I
Guess
They
Never
Miss

Huh
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How many moles of CO are present in 35.88 L of the gas?
Pepsi [2]

Answer:

1.602 moles CO

Explanation:

To convert from liters to moles, divide by 22.4:

35.88 L / 22.4 = 1.602 moles CO

7 0
3 years ago
What are the 4 properties of hydrogen bonds?
tiny-mole [99]

Answer:

Solubility, Volatility, Viscosity and Surface Tension.

7 0
2 years ago
How many molecules are in 1.28 mols of silicon dioxide​
coldgirl [10]

Answer:

7.71x10^23 molecules

Explanation:

Avogadro's # = 6.022x10^23

1.28 mol SiO2 x 6.022x10^23/ 1 mol SiO2 = 7.71x10^23 molecules

8 0
3 years ago
Sulphur burnt in oxygen forms sulphur dioxide. Calculate the heat given out when 1.6g of sulphur is burnt.
adell [148]

Answer:

Dont know

Explanation:

4 0
3 years ago
The autoignition of both ethanol and octane occurs at 363 oC. Which gas sample contains the gas molecules that have a greater av
USPshnik [31]

Answer:

See explanation

Explanation:

At the same temperature, the average kinetic energy of gases depends on the molecular mass of the gas. Hence,  given a particular temperature, lighter molecules travel faster on the average than heavier molecules.

Considering ethanol and octane, The molar mass of ethanol is 46.07 g/mol while the molar mass of octane is 114.23 g/mol. Hence, ethanol has a greater average kinetic energy than octane at the same temperature.

7 0
3 years ago
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