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What happens to the mass of 18mL water when it vaporizes to form about 22L of water vapor?

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2010-02-23 10:16:39
2010-02-23 10:16:39

It Evaporates itself

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volume is not equal to mass. a gas will expand or contract depending on the temperature and pressure of its surroundings. the same amount of water is there it's just more spread out.

No. 49.33L describes measurements down to hundredths of a liter. 18ml describes measurements down to thousandths.

18/18 x Avagadros number = 6.023 x 1023 molecules of water making the assumption that 1ml of water has 1 g mass. There are 8 electrons in oxygen and 1 from each hydrogen so a water molecule has 10 electrons so 6.023 x 1023 x 10 = 6.023 x 1024 electrons *********** because 18ml of H2O = 1 mole of H2O so. 18ml contains 6.023X1023 atoms and water has 10 electrons so, 10 e x 6.023 x 1023 = 6.023 x 1024

the 30L water vapor sample is a gas gases exert pressure on their surroundings thus taking on the shape of their containers the gas is under 1 ATM of pressure so it exerts pressure in return and the volume becomes 30L when the presures are equal if the temperature were to decrease to room temperature, the water vapor would condense to a liquid and the volume would decrease liquids have a volume but no definite shape while gases have neither a definite volume or shape

18 ml equals0.608652409 US fluid ounces

18mL equals 0.18dL (there are 100mL per deciliter).

It depends on the absorbency rating, the most a tampon can absorb is 18ml

It would take up the volume of the container it was in. If you want to find the volume of the water vapor at a certain pressure, you can use the Idea Gas Law: PV = nRT, where P is pressure in Atm, V is volume in L, n is the number of moles (18 mL of water is about 1 mole), R is the ideal gas constant(0.08206 L*Atm/mol*K), and T is the temperature in Kelvin (temperature in Celsius plus 273.16).

Milliliters can't be converted to grams. Milliliters measure volume, while grams measure mass.

An illustrative way to solve this problem.Density water:1 gram/ml = X grams/1 ml= 18 grams water================now, find amount atoms and from experience one sees that this will be Avogadro's number of atoms. 6.022 X 1023 atoms.total atoms water * molar ratio to get atoms hydrogen. Two hydrogen atoms in compound.2 * 6.022 X 1023 = 1.204 X 1024 atoms hydrogen, which means1.204 X 1024 electrons hydrogen=======================================================

Depends. It sounds like a vague question. Say you wanted to know how mLs are in 1mol of pure water @ 25c. 1mol of water is 18g. The density of water is 1g/1ml. So 1mol of water is 18mL. So convert the amount of moles into grams. And times the amount of grams by the density. M x D = mL Or if you want to know how many mLs are in 2mols of 0.5mol/L solution. Which is is 4000mL btw. You would divide the amount in moles by the molarity of the solution. N / C = mL Hope I have been somewhat helpful :)

One teaspoon is about 5ml. So 18ml would be around/just under 4 teaspoons. Check the related link I have provided below. It gives you a detailed chart of teaspoon measurements converted to ml.

It's not a matter of size, but of absorbency - the most absorbent tampon is an Ultra absorbency, regardless of brand all Ultra absorbency tampons hold 18ml maximum. Size-wise options like sponge tampons can be bigger than commercial tampons.

A unit of alcohol is the amount of alcohol that is in one (12-oz or 16-oz) beer, one (6-oz) glass of wine, or one shot of hard liquor. 12 ounces (approx. 375ml) of 5% beer will contain about 18ml of pure alcohol; that is approximately one unit.

1.0 M = x mol HCl /.018 L of solution x = .018 mol HCl Since HCl --> H+ and Cl- in a 1 to 1 to 1 ratio, then you will also have .018 mol of H+ in solution.

It's not dangerous to soak tampons in alcohol, just pointless to waste alcohol and tampons.Tampons cannot be used to get drunk, that is an urban myth, because for one tampons expand when wet so making them harder to insert (at least not without half the alcohol getting on the floor). Tampons at most only hold 18ml, which is barely a shot and although the vagina is absorbent it's not like a sponge so won't absorb all that alcohol. Plus depending on the alcohol it will burn like hell.

3 weeks = 7days x 3 weeks = 21 days. 6cc tid means 6ml thrice a day so 6cc x 3 = 18 cc a day (i.e. 18 ml /day) so , 18ml x 21 days = 378 ml i.e. you require 378 ml medication for 3 weeks.

This is a little indeterminate because of the variables, warming of the oceans alone will cause the water in them to expand and therefore a rise in levels will result 'without' any extra water. But more of the world's ice will melt and it will abstract heat not only from the air but from the sea too, remember roughly a third of an iceberg is under water and water expands when it freezes so contraction results when ice melts adding to the ambiguity. Higher global temperatures will cause more evaporation of the sea so more of the earths water will be in the form of water vapour in the atmosphere. This will also result in the air being slightly heavier so more atmospheric pressure would be exerted on surface of the sea. So all in all it is impossible to calculate a rise in sea level as there are so many variables, even the top scientists are arguing about it. But if you just literally wanted a plain answer, the sea covers roughly two thirds of the surface of the planet: Earths surface area ~ 183,589,372 mile square, Divided by 2/3 ~ 122,392,914 miles square of sea surface area. That's 4.91x10^17 inches square or 491,000,000,000,000,000 inches square. It would take 1 cubic inch in volume to raise the sea level 1 inch in 1 square inch of surface area. 1 cubic inch = 16.39 cubic cm 1 cubic cm = 1ml So 16.39 x 4.91x10^17 = 8.04749x10^18ml 8.04749x10^18 divided by 1,000 = 8.04749x10^15 Litres or 8,047,490,000,000,000 Litres or 8,047,490,000,000 Tonnes 0r 1,770,447,800,000 gallons (UK) These are rough calculations based on a sphere with a circumference of 24,000 miles. Anyone wishing to be pedantic and argue my sums, should really get a life as should I come to think of it :/

You can use any of the following to swim on your period:TamponsSoft tamponsMenstrual spongesMenstrual cupsDiaphragmsSoftcupsMenstrual cups are best as they're safer than tampons so no health risks like Toxic Shock Syndrome, this means that unlike tampons they can be worn even with light flow and for up to 12 hours. Menstrual cups are generally best for swimming as unlike tampons they don't increase menstrual cramps, they don't absorb water, nothing shows outside the body, and they don't leak like tampons.Menstrual cups hold a lot more flow than tampons: an ultra absorbency tampon will hold 18ml maximum, whereas a menstrual cup on average will hold up to 35ml or the largest capacity on the market can hold up to 42ml. Menstrual cups can reduce flow and have light suction to prevent leaks.

No, the idea of alcohol-soaked tampons is a myth.Although the vaginal mucus membranes absorb quickly it's still not that much faster than the mucus membranes in your mouth or what you would absorb via normal ingestion. An ultra absorbency tampon can only hold around 18ml, which is less than a single shot - even if you're using a spirit with a high proof it's still not enough to get you drunk, unless you're a light-weight!Consider then what happens when a tampon absorbs liquid - it gets soft and expands up to ten times its size - although you'd still be able to insert the tampon by shoving it up verses the normal insertion method (after all sponge tampons are soft and wet) a lot of the alcohol would be wasted as it'd be squeezed out during insertion. So you'd have less than a shots worth of alcohol shoved into your vagina, and a lot of alcohol all over the floor under you, but it's unlikely you'd be drunk.You're also potentially looking at vaginal irritation, infection, and TSS risk.

A child shouldn't use tampons - tampons aren't recommended to pre-teens or teens, it's recommended that younger women use menstrual cups which are safer than tampons so pose no risks such as TSS or dioxin exposure. As cups are safer there are fewer precautions for a child to have to remember. Menstrual cups are a better option for heavy flow anyway because they hold a lot more thna tampons (tampons hold 18ml max, cups up to 42ml max), they don't increase bleeding as tampons can, they create light suction to prevent leaking, also unlike tampons cups can be worn overnight and no need to alternate with pads so a lot more convenient with heavier flow.


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