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jekas [21]
3 years ago
5

DDT was banned in The United States because it what?

Chemistry
1 answer:
Nat2105 [25]3 years ago
4 0
Because it is toxic to humans if absorbed or consumed.
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out of barium, chlorine, iodine, and strontium which atom has the strongest attraction for electrons in a bond formation?
nikdorinn [45]
Out of the choices given, the correct answer would be chlorine. It is the atom with the strongest attraction for electrons in a bond formation. This is because it has the highest electronegativity among the choices.
7 0
3 years ago
1.
kenny6666 [7]

<u>Answer:</u> The value of K_p is 324

<u>Explanation:</u>

We are given:

Initial pressure of S_8(g) = 1.00 atm

The chemical equation for the conversion of S_8(g) to S_2(g) follows:

                  S_8(g)\rightleftharpoons 4S_2(g)

<u>Initial:</u>          1

<u>At eqllm:</u>    1-x       4x

We are given:

Equilibrium partial pressure of S_8(g)=0.25atm

Evaluating the value of 'x', we get:

\Rightarrow (1-x)=0.25\\\\\Rightarrow x=1-0.25=0.75

The expression of K_p for the above reaction follows:

K_p=\frac{(p_{S_2})^4}{p_{S_8}}

p_{S_2}=4x=(4\times 0.75)=3atm

p_{S_8}=0.25atm

Putting values in above expression, we get:

K_p=\frac{3^4}{0.25}\\\\K_p=324

Hence, the value of K_p is 324

5 0
3 years ago
Damian places a negatively charged balloon in a magnetic field. Which direction will the balloon move?
rjkz [21]

Answer:

4.North to south

Explanation:

In magnetic fields, the north pole is considered negative while the south pole is considered positive. Hence the balloon will be attracted from the north towards the south pole since it is negatively charged.

4 0
1 year ago
Three of the primary components of air are
Darya [45]

Answer:

125.681 torr

Explanation:

The formula to calculate the partial pressure of oxygen:

P(O2) = Pcommon - PCO2 - PN2

1 atm = 760 torr

Therefore you need to find the partial pressure of oxygen:

P(O2) = 760 torr -0.285 torr - 634.034 torr =130.013 torr

- Hope that helped!

8 0
3 years ago
Which of these is a common to all chemical changes
Kamila [148]
C. A new substance is produced. All others are physical changes.
5 0
3 years ago
Read 2 more answers
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