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3 years ago

Which best explains the high surface tension of water?

Chemistry

2 answers:

ololo11 [35]3 years ago

7 0

Your answer would be D

andrezito [222]3 years ago

5 0

D its hydrogen bonding interactions

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Harvey kept a balloon with a volume of 348 milliliters at 25.0˚C inside a freezer for a night. When he took it out, its new volu

ad-work [718]

Initial volume of the balloon = $V_{1}$ = 348 mL

Initial temperature of the balloon $T_{1}$ = $25.0^{0}C + 273 = 298 K$

Final volume of the balloon $V_{2}$ = 322 mL

Final temperature of the balloon = $T_{2} = ?$

According to Charles law, volume of an ideal gas is directly proportional to the temperature at constant pressure.

$\frac{V_{1} }{T_{1} } =\frac{V_{2} }{T_{2} }$

On plugging in the values,

$\frac{348mL}{298 K} =\frac{322 mL}{T_{2} }$

$T_{2} =276 K$

Therefore, the temperature of the freezer is 276 K

5 0

3 years ago

What negative effects can increase tropospheric ozone level hav on humans

anzhelika [568]

If the O-Zone Tropo increased to a point, like it has, it can cause a huge variety of health problems and even death! Some of the problems include, but are not limited to: Asthma, E<span>mphysema, Chest Pain, Inflamed Lungs and Lung Scarring from tissue damage. </span>

5 0

3 years ago

(Someone please help!)

ElenaW [278]

Answer:

COLORS

Explanation:

i looked it up lol

5 0

2 years ago

Read 2 more answers

How many grams of carbon (C) would be present in carbon monoxide (CO) that contains 2.666 grams of oxygen (O)? For example if th

oee [108]

Given :

Mass of oxygen containing carbon monoxide (CO) is 2.666 gram .

To Find :

How many grams of carbon (C) would be present in carbon monoxide (CO) that contains 2.666 grams of oxygen (O) .

Solution :

By law of constant composition , a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.

So , volume of solution does not matter .

Moles of oxygen , $n=\dfrac{2.666}{16}=0.167\ mole$ .

Now , molecule of CO contains 1 mole of C .

So , moles of C is also 0.167 mole .

Mass of carbon , $m=12\times 0.167=2\ g$ .

Therefore , mass of carbon is 2 grams .

Hence , this is the required solution .

5 0

3 years ago

What happens to the composition of an atom to cause it to become positively or negatively charged?

uranmaximum [27]

It gains or loses electrons to become like the Noble gases having 8 valence electrons to become the most stable.

4 0

3 years ago