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Katyanochek1 [597]
2 years ago
14

List out fifteen ways of how you use water in your everyday life

Chemistry
1 answer:
GuDViN [60]2 years ago
6 0

Answer:

Drinking water

Showering

Brushing your teeth

Cooking

Doing Laundry

Washing your hands

Watering Plants

Cleaning dishes

Recreation; such as swimming pools

Used to grow food

Explanation:

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Semimetals is a term which refers to
SCORPION-xisa [38]
I guess you could call them that. In chemistry, we call them Metalloids though.
5 0
2 years ago
At a certain temperature and pressure, one liter of CO2 gas weighs 1.95 g.
AysviL [449]

Answer:

1.332 g.

Explanation:

  • We can use the general law of ideal gas: <em>PV = nRT.</em>

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R is the general gas constant,

T is the temperature of the gas in K.

  • At the same T and P and constant V (1.0 L), different gases have the same no. of moles (n):

<em>∴ (n) of CO₂ = (n) of C₂H₆</em>

<em></em>

∵ n = mass/molar mass

<em>∴ (mass/molar mass) of CO₂ = (mass/molar mass) of C₂H₆</em>

mass of CO₂ = 1.95 g, molar mass of CO₂ = 44.01 g/mol.

mass of C₂H₆ = ??? g, molar mass of C₂H₆ = 30.07 g/mol.

<em>∴ mass of C₂H₆ = [(mass/molar mass) of CO₂]*(molar mass) of C₂H₆</em> = [(1.95 g / 44.01 g/mol)] * (30.07 g/mol) =<em> 1.332 g.</em>

<em></em>

7 0
3 years ago
Which statement about gases is true?
Marat540 [252]

Answer:

B) They are made up of particles that travel in a curved path when in motion.

Explanation:

We know that gas, being a state of matter, is made up of particles. John Dalton's solid-sphere model was proven to be incorrect by Ernest Rutherford's gold foil experiment.

These particles do NOT always move very slowly. There are multiple different factors that affect the speed of the particles such as temperature or concentration.

6 0
2 years ago
How many meters did a car travel if it went 65mi/hr for 4.5 hours?
Law Incorporation [45]

Answer:

292.5

Explanation:

65x4=260

65 divded  by 2 = 32.5

260+32.5=292.5

6 0
3 years ago
What are the answers to these questions
Virty [35]

Answer:

Explanation:

So basically it just asking you question about that surtain subject .

5 0
3 years ago
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