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ryzh [129]
3 years ago
12

Question 12 2 points) Saving Average Speed Were Speed Total Districe value A family from Texas flies to Washington, D.C. in an a

irplane traveling 1,362 miles in 3 hours. What is the average speed in miles per hour?? I need help
it's actually science... science wasn't an option sooo​
Chemistry
1 answer:
myrzilka [38]3 years ago
6 0

Explanation:

hii cutie pie

sorry I don't know answer

cn we be friends

9307795291 my wh at sapp

number

I want some friends

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For the reaction 3h2(g) + n2(g) 2nh3(g), kc = 9.0 at 350°c. calculate g° at 350°c.
miss Akunina [59]
When ΔG° is the change in Gibbs free energy

So according to ΔG° formula:

ΔG° =  - R*T*(㏑K)

here when K = [NH3]^2/[N2][H2]^3 = Kc 

and Kc = 9 

and when T is the temperature in Kelvin = 350 + 273 = 623 K

and R is the universal gas constant = 8.314 1/mol.K

So by substitution in ΔG° formula:

∴ ΔG° = - 8.314 1/ mol.K * 623 K *㏑(9)

           = - 4536 
4 0
3 years ago
which of the following describes a similarity between a liquid and gas A. both are forms of heat are used to warm objects. C. bo
Leona [35]

Answer:

It's A

Explanation:

Liquid can heat things and so can steam.

8 0
3 years ago
Titration Lab Day 2 Data Sheet help?
igomit [66]
Unfortunately, you haven't shared any data list which would make braunly users able to help you. The only thing I can suggest you is to write  the neutralization reactions, this can make you  understand the calculations more or less clearly. Please, next time check your attachments carefully.
6 0
3 years ago
Help please! please answer with a good answer ​
KonstantinChe [14]

Answer:

what the heck what is that?

Explanation:

5 0
3 years ago
How many molecules are there in 4.00 l of oxygen gas at 500.∘ c and 50.0 torr?
Oliga [24]
From  the  ideal  gas law   
pv=nRT , n  is  therefore PV/RT
R is  the
R is  gas  constant =62.364 torr/mol/k
P=500torr
 V=4.00l
T=500+273=773k
n={(500 torr x 4.00l)/(62.364 x773k)}=0.041moles
the  number  of  molecules=moles  x avorgadro costant that is  6.022x10^23)
6.022 x 10^23)  x0.041=2.469 x10^22molecules
3 0
3 years ago
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