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Dovator [93]
3 years ago
9

Hydrogen bonding is present in all of the following molecular solids EXCEPT ____.a) H2O2 b) PH3 c) H2SO4 d) NH3

Chemistry
2 answers:
In-s [12.5K]3 years ago
7 0

Answer:

b) PH3

Explanation:

NISA [10]3 years ago
4 0

Answer:

answer is Option A

H202.

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Examples of gravitational potential energy.
Dennis_Churaev [7]

Answer:

the top of the roller coaster

Explanation:

the roller coaster at the top when it has the most potential energy reaches Peak when its going to convert into kinetic energy

4 0
4 years ago
Read 2 more answers
The process that is the opposite of sublimation is called deposition. Use the example of frost formation to infer why this proce
Vedmedyk [2.9K]

Answer:

See explanation

Explanation:

Sublimation refers to the movement of molecules directly from solid into the vapor or gas phase while deposition refers to the movement of  molecules directly from the gas phase into the solid phase. The two are opposite to each other.

Frost is formed in a situation where a substance cools to a temperature that is lower than its dew point. In this situation, the vapour is directly deposited on a surface to form a frost without passing through a liquid phase. Hence the name, deposition.

7 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
A foundry produces circular utility access hatches (manhole covers). Currently, 120 covers are produced in a 10-hour shift. If l
SOVA2 [1]

Answer:

14.4 covers/hr.

Explanation:

First, we need to identify how much covers are produced in 1 hour, which will be total produced divided by the total time:

covers/hr = 120/10

covers/hr = 12

If the production will be increased by 20%, it means that new production will be the initial one plus 20% (0.20) of it:

12 + 0.20*12 =  14.4 covers/hr.

6 0
3 years ago
Which conditions result in the formation of frost?
hoa [83]

Answer:

In order for frost to be formed, you would need high humidity, below-freezing temperatures, a clear sky, and a calm wind. Also, note that frost mostly occurs on a surface that is solid, so I would also put in a hard surface to the answer.

Explanation:

You need the hard surface so that the frost can form, otherwise it would become something like a cloud.

You need high humidity so that there is lots of water to form on your solid surface.

You need below-freezing temperatures so that the water can freeze.

The other things are just from what the Internet told me.

If this was helpful, please mark me as Brianliest!

7 0
3 years ago
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