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Ksenya-84 [330]
3 years ago
14

A rooster laid an egg on top of the barn roof. Which way did it roll?

Chemistry
2 answers:
Sliva [168]3 years ago
7 0
Roosters don't lay eggs and even if they did they would sit in a nesting box, and even if they did lay them on a roof it depends on if the egg is symmetrical, the shape of the barn roof, if the rooster was centered, etc.
PtichkaEL [24]3 years ago
3 0
IT DIDN'T ROLL ROOSTERS CAN LAY EGGSS AHHH
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Standard temperature and pressure (STP), in the context of gases, refers to a) 298.15 K and 1 atm b) 273.15 K and 1 atm c) 298.1
lina2011 [118]

Answer : The correct option is, (B) 273.15 K and 1 atm

Explanation :

STP : STP stands for standard temperature and pressure.

STP conditions :

The temperature is, 0^oC or 273.15K or 32^oF

The pressure is, 1atm or 101.325kPa

The volume is 22.4 L for 1 mole of a substance.

Hence, the correct option is, (B) 273.15 K and 1 atm

7 0
3 years ago
Can scientific laws be proved wrong? Why or why not?
astra-53 [7]

Answer:

The scientific laws have been well proven before they are published so it is difficult to prove mistakes

Explanation:

4 0
3 years ago
1. A sample of oxygen is collected over water at 22 ° C and 762 torr. What is the partial pressure of the dry oxygen? The vapor
Rom4ik [11]

Answer: The partial pressure of the dry oxygen is 742 torr

Explanation:

Dalton's Law of Partial Pressure states that the total pressure exerted by a mixture of gases is the sum of partial pressure of each individual gas present. Thus P(total)=P_1+P_2 .........

Given; Total pressure = 762 torr

partial pressure of water = 19.8 torr

partial pressure of dry oxygen = ? torr

Total pressure  = partial pressure of water + partial pressure of dry oxygen

762 torr = 19.8 torr = partial pressure of dry oxygen

partial pressure of dry oxygen = 742 torr

The partial pressure of the dry oxygen is 742 torr

8 0
3 years ago
What is the hydrogen ion concentration of a solution with pH=8.25 ?
77julia77 [94]

Answer:

The answer is

<h2>5.62 \times  {10}^{ - 9} \:  M</h2>

Explanation:

The pH of a solution can be found by using the formula

pH =  -  log( {H}^{ + } )

where

{H}^{ + } is the hydrogen ion concentration of the solution

From the question

pH = 8.25

The hydrogen ion concentration of the solution is

8.25 =  -  log( {H}^{ + } )

<u>Find antilog of both sides</u>

That's

{H}^{ + }  =  {10}^{ - 8.25}  \\  = 5.62 \times  {10}^{ - 9} \:  M

We have the final answer as

5.62 \times  {10}^{ - 9} \:  M \\

Hope this helps you

5 0
3 years ago
Water vapor forming droplets that form clouds directly involve which process
Vinvika [58]
It is formed when water vapor condenses.
5 0
2 years ago
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