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Olenka [21]
4 years ago
15

Please Help! Asap! :)

Chemistry
2 answers:
Alexeev081 [22]4 years ago
4 0

Okay With What? What is the question?

yaroslaw [1]4 years ago
3 0

I need details to solve for you

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VThis section also demonstrates your understanding of the experiment, through your ability to offer constructive criticism about
aleksandrvk [35]

Hello. You did not say what is the experiment to which this question refers, which makes it impossible for it to be answered accurately.

However, advice that should be given to anyone who should start an experiment is: establish a control treatment, provide all treatments with the same variables and the same resources, write down everything that happened in the experiment from implementation to data collection and results, make measurements and analyzes on the same date in all treatments and keep the steaks in the same environment.

5 0
3 years ago
Air in a closed cylinder is heated from 25 degree C to 36 degree C. If the initial pressure is 3.80 atm what is the final pressu
Pavlova-9 [17]

Answer: 3.94 atm

Explanation:

Given that,

Initial pressure (P1) = 3.80atm

Initial temperature (T1) = 25°C

since the standard unit of temperature is Kelvin, convert 25°C to Kelvin

(25°C + 273= 298K)

Final pressure P2 = ?

Final temperature T2 = 36°C

(36°C + 273= 309K)

Since pressure and temperature are given while volume is held constant, apply the formula for Pressure's law

P1/T1 = P2/T2

3.80 atm / 298K = P2 / 309K

To get the value of P2, cross multiply

3.80 atm x 309K = P2 x 298K

1174.2 atm•K = 298K•P2

Divide both sides by 298K

1174.2 atm•K/298K = 298K•P2/298K

3.94 atm = P2

Thus, the final pressure is 3.94 atm

5 0
3 years ago
Read 2 more answers
A student accidentally drops the watch glass atop the evaporating dish containing the
user100 [1]

Answer:

the experiment measurements might been thrown off

Explanation:

6 0
2 years ago
(a) How many elements of unsaturation are implied by the molecular formula C₅H₅N? A) 0 B) 1 C) 2 D) 3 E) 4 (b) What two atomic o
lana [24]

Answer:

(a) OPTION E=4

b) option E C sp² + C p

Explanation:

DEGREE OF UNSATURATION = C -H/2 -X/2 +N/2 +1

X IS HALOGENS

5-5/2+1/2+1=  4

b) Ethene comprises of two sp2-hybridized carbon atoms (bound to each other by sigma and two atoms each with hydrogen). The remaining unhybridized carbon p orbitals form a pi bond, giving ethene reactivity

6 0
3 years ago
Which of the following is NOT a unit energy? (select all that applies)
never [62]

Answer:

Kelvin, Celsius, Fahrenheit

Explanation:

See my other answer for an explanation.

4 0
3 years ago
Read 2 more answers
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