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cricket20 [7]
3 years ago
11

How many molecules are in 0.288 moles of water?

Chemistry
1 answer:
iragen [17]3 years ago
3 0

Answer:

for every 1 mole you multiply 6.02 x 10^23

Explanation:

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If temperature is increased , the number of collision per second
Tomtit [17]

Answer: increases

Explanation:

Increase in the temperature of a reaction system will cause the molecules of the reactants to possess higher kinetic energy which they would use to travel more randomly in the system, colliding more frequently with other excited molecules and with the wall of the containing vessel.

Thus, if temperature is increased, the number of collision per second also increases.

8 0
3 years ago
Calculate the mass of butane needed to produce 65.5 g of carbon dioxide
jeka94

You take the mass of carbon dioxide, 56.8g, divide by its molar mass, 44.01g/mol, to produce the moles of carbon dioxide. This is multiplied by the molar ratio of butane/CO2, (2/8) = 1/4, which gives the moles of butane required to produce the carbon dioxide.

6 0
3 years ago
the specific heat of aluminum is 0.897 j/g degrees celsius. if a 22.6 g sample of aluminum is heated from 25 degrees celsius to
Akimi4 [234]
4,561.245 Joules
Q = Mass x Change in Temperature x Specific Heat 
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3 0
3 years ago
If the mixing ratio of a parcel of air is 6 grams per kilogram and the relative humidity is 25 percent, the saturation mixing ra
Y_Kistochka [10]

Answer: -

24 grams per kilogram.

Explanation: -

We know that

The mixing ratio = actual (measured) mass of water vapor (in parcel) in grams / mass of dry (non water vapor) air (in parcel) in kilogram

The saturation mixing ratio = mass of water vapor required for saturation (in parcel) in grams/ mass of dry (non water vapor) air (in parcel) in kilograms

Relative humidity = actual (measured) water vapor content/ maximum possible water vapor amount (saturation)

Thus saturation mixing ratio = Mixing ratio / relative humidity

= 6 / (25/100)

= 24

4 0
3 years ago
What is the minimum amount of heat required to completely melt 40.0 grams of ice at its melting point?
elena55 [62]
If 20.0 grams of ice takes about 6680j...then 40.0 grams of ice would take ___ .
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