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grin007 [14]
3 years ago
8

Write the electron configuration for each atom A. Carbon B. Argon C. Nickel

Chemistry
1 answer:
gayaneshka [121]3 years ago
5 0
I will assume you know how to do electron configurations, since they can be hard to explain.
Carbon is the 6th element: it goes 
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using the equation 2h2+o2-->2h2o, if 192g of oxygen are produced, how many grams of hydrogen must react with it
UkoKoshka [18]
The balanced chemical reaction is:

<span>2H2+O2-->2H2O
</span>
To determine the mass of hydrogen that is needed, we need use the initial amount of oxygen and relate it to hydrogen from the reaction given. We do as follows:

192 g O2 ( 1 mol O2 / 32 g O2) ( 2 mol H2 / 1 mol O2 ) ( 2.02 g H2 / 1 mol H2 ) = 24.24 g H2
4 0
3 years ago
Balloon A started with a volume of 1.76 L. The temperature of the room the balloon was in was 295 K. The balloon was heated to a
valentina_108 [34]

Answer:

V₂ = 1.5 L

Explanation:

Given data:

Initial volume of balloon = 1.76 L

Initial temperature = 295 K

Final temperature = 253.15 K

Final volume = ?

Solution:

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₂ = V₁T₂/T₁  

V₂ = 1.76 L ×253.15 K / 295 K

V₂ = 445.54 L.K /295 K

V₂ = 1.5 L

4 0
3 years ago
What are some non-examples of Prokaryotes?
Mama L [17]

Answer:

animal and plant are the example of eukaryotes

8 0
3 years ago
What is the general form of a synthesis reaction?
sergiy2304 [10]

Answer:

B. A+ B → AB

Explanation:

general form of a synthesis reaction

3 0
3 years ago
Answer whats on the image PLEASE
kondaur [170]

Answer:

1.97201398 g

Explanation:

Multiply the theoretical yield by the percent yield. Don't forget to move the decimal over 2 on the percent before multiplying or to use the percent button on your calculator.

7 0
2 years ago
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