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Nataly [62]
3 years ago
6

NEEEEEEEED HELP HEALTH CLASS

Chemistry
1 answer:
xenn [34]3 years ago
7 0

Answer:

A girl and a guy having the process called sex

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In the compound H2O, the electrons in the bonds are unequally shared between oxygen and hydrogen, forming ____. (1 point)
Aloiza [94]
<span>polar bonds due to high difference . In electronegativity of oxygen and hydrogen.</span>
5 0
4 years ago
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Consider an ice cube with a volume of 0.50 cup. (1 cup = 240.0 mL, density of ice = 0.9167 g/mL). How many water molecules (mola
stealth61 [152]

Answer:

3.86x10^24 molecules

Explanation:

From the question given, the following data were obtained:

Volume of ice = 0.5cup

1 cup = 240mL

0.5cup = 0.5 x 240 = 120mL

Density of ice = 0.9167 g/mL

molar mass of water = 18.015g/mol

First let us calculate the mass of ice. This is illustrated below:

Density = Mass /volume

Mass = Density x volume

Mass = 0.9167 x 120

Mass of ice = 110.004g = Mass of water

From Avogadro's hypothesis, we understood that 1mole of any substance contains 6.02x10^23 molecules. This means that 1mole of water will also contain 6.02x10^23 molecules.

1mole of water = 18.015g

If 1 mole (18.015g) contains 6.02x10^23 molecules,

Therefore, 110.004g of water will contain = (110.004x6.02x10^23)/18.015 = 3.86x10^24 molecules

3 0
3 years ago
A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mmHg and t
Svetach [21]

Answer:

Total pressure = 1109.2 torr

Explanation:

Given data:

Partial pressure of cyclopropane = 334 mmHg

Partial pressure pressure of oxygen = 1.02 atm

Total pressure of mixture = ?

Solution:

Formula:

Total pressure = P of C₃H₆ + P of O₂

1 atm = 760 torr = 760 mmHg

1.02 atm × 760 torr / 1atm = 775.2 torr

Total pressure = P of C₃H₆ + P of O₂

Total pressure = 334 torr + 775.2 torr

Total pressure = 1109.2 torr

8 0
3 years ago
Which of the following is true about the speed of light? (2 points)<br><br> Group of answer choices
riadik2000 [5.3K]

Answer:

Speed of light is measured in vacuum and is equal to 671 million miles per hour, 1080 million kilometers per hour, 173 astronomical meters per second.

The exact value of speed of light is considered to total 299,792,458 meters per second

6 0
4 years ago
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Which fossil fuel is the remains of ancient plants?<br> A. Coal<br> B. Petroleum<br> C. Natural Gas
marissa [1.9K]

A. Coal

Others are animal remains

4 0
3 years ago
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