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Step2247 [10]
3 years ago
9

Hi what is kinematic??

Chemistry
1 answer:
Fiesta28 [93]3 years ago
7 0

Answer:

Kinematics is a branch of physics concerned with the geometrically possible motion of a body or system of bodies without considering the  forces which are involved

Hope it helpsssss.!!!!

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Which countries border the Baltic Sea
alexira [117]
<span>The Baltic Sea is positioned in Northern Europe and bordered by Sweden (a part of the Scandinavian Peninsula), Finland, Russia, Estonia, Latvia, Lithuania, Poland, northeastern Germany, and eastern Denmark and its numerous islands.

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6 0
3 years ago
___________, is the process by which a nucleus of an unstable atom loses energy by
likoan [24]
<span>The answer to this would be radioactive decay. This is also known as "nuclear decay" or "radioactivity".</span>
4 0
3 years ago
A gas cylinder contains 2.0 mol of gas X and 6.0 mol of gas Y at a total pressure of 2.1 atm. What is the partial pressure of ga
vivado [14]

Answer :  The partial pressure of X and Y gases are, 0.525 and 1.575 atm respectively.

Explanation : Given,

Moles of X = 2.0 mole

Moles of Y = 6.0 mole

Total pressure = 2.1 atm

Now we have to calculate the mole fraction of X and Y.

\text{Mole fraction of }X=\frac{\text{Moles of }X}{\text{Moles of }X+\text{Moles of }Y}

\text{Mole fraction of }X=\frac{2.0}{2.0+6.0}=0.25

and,

\text{Mole fraction of }Y=\frac{\text{Moles of }Y}{\text{Moles of }X+\text{Moles of }Y}

\text{Mole fraction of }Y=\frac{6.0}{2.0+6.0}=0.75

Now we have to calculate the partial pressure of X and Y.

According to the Raoult's law,

p_i=X_i\times p_T

where,

p_i = partial pressure of gas

p_T = total pressure of gas  = 2.1 atm

X_i = mole fraction of gas

p_{X}=X_{(X)}\times p_T

p_{X}=0.25\times 2.1atm=0.525atm

and,

p_{Y}=X_{(Y)}\times p_T

p_{Y}=0.75\times 2.1atm=1.575atm

Thus, the partial pressure of X and Y gases are, 0.525 and 1.575 atm respectively.

4 0
3 years ago
Read 2 more answers
Which elements have complete outer shells in the periodic table
gavmur [86]

Answer:

Helium (He), Neon (Ne), Argon (Ar)

Explanation:

they are in group 18 elements.

because of their non-reactivity they are called the intern gases or Noble gases.

5 0
3 years ago
URGENT! PLS HELP
dedylja [7]

Given Balanced Reaction :

2N₂ + 3H₂ ====> 2NH₃

The Balanced Reaction tells us that :

When Two Moles of Nitrogen Gas Reacts with 3 Moles of Hydrogen Gas it results in 2 Moles of Ammonia.

Our Question is How many Moles of Ammonia are made when 3 Moles of Hydrogen gas is used.

From the Balanced Reaction it is Obvious that When 3 Moles of Hydrogen gas is used 2 Moles of Ammonia is made.

So, The Answer is 2 Moles of Ammonia is Made.

7 0
3 years ago
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