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erastovalidia [21]
3 years ago
14

A student designed an experiment to test

Chemistry
1 answer:
love history [14]3 years ago
5 0

Answer:

D

Explanation:

Because it is the responding variable because you are looking for the weight or the amoount of salt in the water.

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A strong acid, HA, is added to water. Which statement about the solution is true?
Arturiano [62]
My answer to this question is C

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3 years ago
Between which two elements is the difference in metallic character the greatest?
xz_007 [3.2K]

Rb and O is your answer

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Help! ASAP! Please on the questions
KiRa [710]

Answer:

62.15 m (squared)

Explanation:

We know that the Area of the square is 5.5 x 4= 22

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now 7.3 x 5.5 = 40.15

22 + 40.15 = 62.15 m (squared)

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8 0
3 years ago
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How many liters of octane are in a shipping container that contains 45 moles?
Andrew [12]
D. 1,008 liters because you are looking for liters from a calculation of moles. Recognizing that you can do STP (22.4L) you multiply this number by 45 moles and it is 1,008 liters
3 0
2 years ago
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The equilibrium constant (Kp) for the decomposition of phosphorus pentachloride (PCl5) to phosphorus trichloride (PCl3) and mole
Oksanka [162]

Answer: The partial pressure of Cl_2 is 1.86 atm

Explanation:

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K_c

The given balanced equilibrium reaction is,

                            PCl_5(g)\rightleftharpoons PCl_3(g)+Cl_2(g)

Pressure at eqm.     0.973 atm                 0.548atm      x atm

The expression for equilibrium constant for this reaction will be,

K_c=\frac{(p_{PCl_3}\times (p_{Cl_2})}{(p_{PCl_5})}

Now put all the given values in this expression, we get :

1.05=\frac{(0.548)\times (x)}{(0.973)}

By solving the term 'x', we get :

x = 1.86 atm

Thus, the partial pressure of Cl_2 is 1.86 atm

4 0
3 years ago
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