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notsponge [240]
2 years ago
9

Complete the sentences

Chemistry
2 answers:
asambeis [7]2 years ago
6 0

Answer:

xcvbn

Explanation:

nkj

weqwewe [10]2 years ago
3 0

Answer:

what he said

Explanation:

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Because there is a large amount of empty space between gas molecules, the gas has the property of___
rewona [7]
<span>These gas molecules are much smaller than the distance between them.
</span><span>So, most of the volume of a gas is therefore empty space.
</span><span>There is no force of attraction between gas particles or between the particles and the walls of the container.
Because there is a large amount of empty space between gas molecules,the gas has property of low density.</span>
4 0
3 years ago
A. During which segments does the kinetic<br> energy decrease?
ira [324]

Answer:

where is the picture?

Explanation:

4 0
2 years ago
How many moles are in 82 g of water?
guajiro [1.7K]
Take 82 grams and divide it by the gfm of water which is 18 g/mole...(82g)/(18.0g/mole)=4.555 -> the answer is 4.6 moles
4 0
2 years ago
What is the amount of heat released by 1.00 gram of liquid water at 0°C when it changes to 1.00 gram of ice at 0°C?
QveST [7]

Answer:

334J/g

Explanation:

Data obtained from the question include:

Mass (m) = 1g

Specific heat of Fusion (Hf) = 334 J/g

Heat (Q) =?

Using the equation Q = m·Hf, we can obtain the heat released as follow:

Q = m·Hf

Q = 1 x 334

Q = 334J

Therefore, the amount of heat released is 334J

8 0
3 years ago
What is the mass of 8.12 × 10^23 molecules of CO2 gas? (Atomic mass of carbon = 12.011 u; oxygen = 15.999 u.)
amid [387]

Answer:

m=59.3gCO_2

Explanation:

Hello,

In this case, the first step is to compute the molar mass of carbon dioxide as shown below, considering it has one carbon atom and two oxygen atoms:

M=12.011g/mol+2*15.999g/mol\\\\M=44.009g/mol

It is important to notice it is the mass in one mole of such compound. Afterwards, we need to use the Avogadro's number to compute the how many moles are in the given molecules of carbon dioxide as shown below:

mol=8.12x10^{23}molec*\frac{1mol}{6.022x10^{23}molec} =1.35mol

Finally, the mass by using the molar mass:

m=1.35mol*\frac{44.009g}{1mol} \\\\m=59.3gCO_2

Best regards.

4 0
3 years ago
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