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malfutka [58]
3 years ago
8

Im confused someone please help me

Chemistry
1 answer:
stealth61 [152]3 years ago
8 0
Answer would be c! hope i can help
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The pressure of a gas is 750 torr when its volume is 400. ml. Calculate the
ololo11 [35]

Answer:

a. 0.66 atm

Explanation:

Pi = 750 torr = 0.99 atm. Pf = ?

Vi = 400 ml Vf = 600ml

Using PiVi = PfVf

Then 400ml × 0.99atm = Pfatm × 600ml

Solving for Pf, we have,

Pf = (400ml × 0.99atm)/600ml

Pf = 0.66atm

7 0
3 years ago
In animals, nitrogenous wastes are produced mostly from the catabolism of _____. In animals, nitrogenous wastes are produced mos
RoseWind [281]

Answer:

Proteins and nucleic acids

Explanation:

Nitrogen compounds in animals that are no longer of use, or are in access are excreted from the animals body, and are thus called nitrogenous waste. These nitrogenous waste can be excreted in three different ways.

1. Ammonia

2. Urea

3. Uric acid

8 0
3 years ago
How many neutrons would be in an atom of Selenium if the mass number for this particular isotope is Se-80?
EleoNora [17]

Answer:2

Explanation:

6 0
3 years ago
Can someone help me with this question pls and thank you. (:
3241004551 [841]
No I wouldn’t be the same
3 0
4 years ago
Read 2 more answers
Which equation is balanced?
vichka [17]

Answer:

2Na+F2 yields 2NaF is balanced.

Explanation:

There are 2 sodium and 2 fluorine in both reactants and product: In 2NaF the 2 is distributed because it is in the beginning of the compound.

7 0
3 years ago
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